Climate Active Bricks - TUM

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Climate Active Bricks - TUM
Technical University of Munich
                                                  TUM Department of Architecture

                            Tenue Track Assistant Professorship Digital Fabrication
             Associate Professorship of Architectural Design and Building Envelope
                      Chair of Building Technology and Climate Responsive Design

                                                       Module Summer Term 2020

                                                     Basics of Robotic Fabrication
                                                      Adaptive Building Envelopes

Climate Active Bricks
Climate Active Bricks - TUM
Technical University of Munich
                                               TUM Department of Architecture

                                               Tenue Track Assistant Professorship
                                               Digital Fabrication
                                               Associate Professorship of Architectural
                                               Design and Building Envelope
                                               Chair of Building Technology and
                                               Climate Responsive Design

                                               Climate Active Bricks
                                               Module Summer Term 2020

                                               Basics of Robotic Fabrication          6 ECTS
                                               Adaptive Building Envelopes            6 ECTS

                                               Kick Off
                                               23.04.2020 | 09:45h | on Zoom

                                               Thursday Jour Fixe
                                               session 1		                09:45h - 12.00h
                                               session 2		                13:15h - 16:30h

                                               Submission/Examination Dates
                                               Project Presentation 1  14.05.2020
                                               Submission Expose Text 28.05.2020
                                               Project Presentation 2  18.06.2020
                                               Project Presentation 3  02.07.2020
                                               Final Presentation      23.07.2020

                                               TT Professorship Digital Fabrication
                                               www.ar.tum.de/df/

                                               Prof. Dr. sc. ETH Kathrin Dörfler
                                               doerfler@tum.de

                                               Dipl.-Ing. Julia Fleckenstein
                                               julia.fleckenstein@tum.de

                                               Associate Professorship of Architectural
                                               Design and Building Envelope
                                               www.ar.tum.de/hk

                                               Dr.-Ing. Philipp Molter
                                               philipp.molter@tum.de

                                               Chair of Building Technology and Climate
                                               Responsive Design
                                               https://www.ar.tum.de/klima/startseite/

Image: Museum Yves Saint Laurent - Marrakech   M.Sc. Ata Chokhachian
Photo: Dan Glasser - Studio KO                 ata.chokhachian@tum.de
Climate Active Bricks - TUM
07   introduction

11   context

13   preface

19   the module

29   imprint

                    5
Climate Active Bricks - TUM
introduction

                                                                                                      Building Envelopes and
                                                                                                      Impact on Microclimate

                                                                                                      In the last centuries, history of hu-     in construction. Due to its close rela-   optical performance of façade and
                                                                                                      man settlement was very much re-          tion to common construction practi-       pavement materials on microclima-
                                                                                                      lated to the use of brick as a key        ce, digital fabrication allows for        te of cities. The issue is important
                                                                                                      element for shelter as structure of       the control of the micro and macro        due to urban heat island phenome-
                                                                                                      architectural space (Serena, 2012).       structure of a building component,        na described as temperature diffe-
                                                                                                      Since the very beginning of human         per-formance optimization through         rences between downtown and su-
                                                                                                      settlement, sun dried mud and la-         the design of the cross section (Bon-     burbs. Due to decreased sky view
                                                                                                      ter burned bricks made out of clay        wetsch, Kobel, Gramazio, & Kohler,        factor in urban canyons as function
                                                                                                      have been used to build shelter and       2006). Therefore, this technology is      of compactness and increased den-
                                                                                                      buildings all over the globe. The wi-     supposed to increase the spread of        sity of cities, the trapped heat and
                                                                                                      dely use of mud-bricks as a key           brick construction in architectural       solar radiation keeps surface tem-
                                                                                                      element in prehistoric architecture       context. However, since the 1980s,        peratures high even during night
                                                                                                      and the following centuries is rela-      energy regulations have pushed the        time. As consequence, the buildings
                                                                                                      ted to its modular and highly flexi-      innovation of bricks towards better       that are dependent on night time
                                                                                                      ble use and adaptability to various       U-values especially in northern and       cooling can-not recover and they
                                                                                                      applications allowing for a high de-      central Europe. Thus, the latest de-      cause significant health issues. The
                                                                                                      gree of design freedom and struc-         velopments have been pushed to-           summer of 2003 could be relevant
                                                                                                      tural performance (Oates, 1990).          wards insulating bricks since they        instance in Europe for the extreme
                                                                                                      According to statistics in 1990, ap-      incorporate both the structural and       heat wave that caused 15000 addi-
                                                                                                      proximately 30% of the world’s po-        the thermal functions of the buil-        tional deaths in France (Ata Chok-
                                                                                                      pulation lived in earthen brick made      ding envelope (Wernery et al., 2017).     hachian, Santucci, & Auer, 2017).
                                                                                                      structures (Coffman, Agnewl, Aus-         The work of this research focuses
                                                                                                      tin, & Doehnel, 1990). In the last ye-    on the potentials of brick as a clima-    The phenomena of urbanization and
                                                                                                      ars brick architecture has experi-        te active material improving urban        industrialization concerning its effect
                                                                                                      enced a revival and will grow even        (thermal) comfort conditions. Re-         on environmental change has been
                                                                                                      further. As said by Compound Annu-        search and practice has already pro-      known and studied for many centu-
                                                                                                      al Growth Rate, (CAGR) for the brick      ved that brick is one of well perfor-     ries all over the world. Addressing
                                                                                                      product segment the estima-tion is        ming material for climate control due     the topic of environmental change,
                                                                                                      to raise 3.5% during 2017-2027 and        to its high thermal capacity and ther-    we need to refer to relevant metrics
                                                                                                      it is anticipated to dominate over        mal mass effect (Al-Sanea, Zedan,         depending on the context and sca-
                                                                                                      the forecast period (TMRGL, 2017).        & Al-Hussain, 2012, 2013) neverthel-      le. Urban Heat Island effect (UHI) is
                                                                                                      The mentioned advantages of brick         ess energy regulations have limited       one of the widely investigated phe-
                                                                                                      construction are also subject of          the innovation of bricks towards bet-     nomena to measure the effect of ur-
Diagram: Self shading brick patterns                                                                  further research in digital fabrication   ter thermal performance only. The-        banization and built environment on
Image: Associate Professorship of Architectural Design and Building Envelope - Sánchez, Aaron; Con-   with robots enabling ar-chitects to       re have been various studies per-         the climate of cities. It is one of the
treras, Andrea; Palacios, Sebastian; Bernabéu, Jaume; Sánchez, Beatriz; González, Eva                 directly control complex geometries       formed to understand thermal and          most common manifestations on

                                                                                                                                                                                                                               7
Climate Active Bricks - TUM
introduction

                                                                                                                           References                                       https://doi.org/10.1016/j.jas.2013.09.017         org/10.1016/S0038-092X(00)00095-5
urban climate studies and since its        the peak electricity load for cooling   passive microclimatic converter and                                                      Han, R., Xu, Z., & Qing, Y. (2017). Study of      Schmandt-Besserat, D. (2015). The Beginnings
advent by Luke Howard (1818), it is        purposes may be tripled especially      the results show that the wall sur-     Akbari, H., Pomerantz, M., & Taha, H.
                                                                                                                                                                            Passive Evaporative Cooling Technique             of the Use of Clay in Turkey. Anatolian
                                                                                                                                                                            on Water-retaining Roof Brick. Procedia           Studies, 27, 133-150. doi: 10.2307/3642659
still the topic of researchers in dif-     for higher set point temperatures,      face temperature are averagely lo-      (2001). Cool surfaces and shade trees            Engineering, 180, 986-992. doi: https://
                                                                                                                           to reduce energy use and improve air                                                               Serena, L. (2012). The Geoarchaeology
ferent regions of the world. UHI by        while the minimum COP value of air      wer than ambient air temperature by     quality in urban areas. Solar Energy,
                                                                                                                                                                            doi.org/10.1016/j.proeng.2017.04.258              of Mudbricks in Architecture: A
                                                                                                                                                                            He, J., & Liu, K. Q. (2012). Numerical Analysis   Methodological Study from Çatalhöyük,
definition is known as higher tem-         conditioners may be decreased up        5 °C over day time (He & Liu, 2012).    70(3), 295-310. doi: https://doi.
                                                                                                                           org/10.1016/S0038-092X(00)00089-X                of Passive Microclimatic-Modifying Effects of     Turkey. Geoarchaeology, 27(2), 140-
peratures or heat content stored in        to 25% because of the higher am-        Addressing the wide spread of                                                            a Moist Void-Brick Wall. Applied Mechanics        156. doi: doi:10.1002/gea.21401
                                                                                                                           Al-Sanea, S. A., Zedan, M. F., & Al-Hussain,     and Materials, 193-194, 1156-1164. doi:
urban areas caused due to the an-          bient temperatures (Mofidi & Akba-      brick buildings as well as the men-     S. N. (2012). Effect of thermal mass on          10.4028/www.scientific.net/AMM.193-194.1156
                                                                                                                                                                                                                              Stevanović, M. (1997). The Age of
                                                                                                                           performance of insulated building walls and                                                        Clay: The Social Dynamics of House
thropogenic heat released from ve-         ri, 2017; Santamouris et al., 2001).    tioned problems with urban heat                                                          Howard, L. (1818). The Climate of                 Destruction. Journal of Anthropological
                                                                                                                           the concept of energy savings potential.
hicles, power plants, air conditio-        There has been several approa-          island and outdoor comfort, this        Applied Energy, 89(1), 430-442. doi: https://    London: deduced from Meteorological               Archaeology, 16(4), 334-395. doi: https://
                                                                                                                           doi.org/10.1016/j.apenergy.2011.08.009           observations, made at different places in         doi.org/10.1006/jaar.1997.0310
ners and other heat sources, and           ches toward UHI mitigation by de-       paper proposes an architectural in-                                                      the neighbourhood of the metropolis: W.           TMRGL. (2017). Concrete Block and Brick
                                                                                                                           Al-Sanea, S. A., Zedan, M. F., & Al-Hussain,     Phillips, sold also by J. and A. Arch.
due to the heat stored and re-radi-        signing proportional aspect ra-         vestigation on innovative approa-       S. N. (2013). Effect of masonry material                                                           Manufacturing Market (Product Type -
                                                                                                                           and surface absorptivity on critical thermal     Jandaghian, Z., & Akbari, H. (2018). The          Concrete Block (Hollow, Cellular, and
ated by massive and complex ur-            tio for street canyons which allows     ches on the potentials of irrigated                                                      effects of increasing surface reflectivity on     Fully solid), Brick (Clay, Sand lime, and
                                                                                                                           mass in insulated building walls. Applied
ban structures which leads to de-          enough sky exposure for night time      solid bricks as a component for cli-    Energy, 102, 1063-1070. doi: https://doi.        heat-related mortality in Greater Montreal        Fly ash clay), and ACC Block - Global
                                                                                                                           org/10.1016/j.apenergy.2012.06.016               Area, Canada. Urban Climate, 25, 135-151. doi:    Industry Analysis, Size, Share, Growth,
terioration of living environment          cooling or choosing proper materi-      mate adaptive facades. It is under-                                                      https://doi.org/10.1016/j.uclim.2018.06.002       Trends, and Forecast 2017 - 2027 (pp.
                                                                                                                           Bonswetch, T., Kobel, D., Gramazio, F., &
and increase in energy consump-            als for building envelopes de-pen-      stood that the focus on this research   Kohler, M. (2006). The informed wall: applying   Künzel, H. M. (1994). Verfahren zur ein-          174): Transparency Market Research.
                                                                                                                                                                            und zweidimensionalen Berechnung des              Uğurlu, E., & Böke, H. (2009). The use of
tions (Rizwan, Dennis, & Liu, 2008).       ding on context and orientation of      is clearly an investigation as an ar-   additive digital fabrication techniques on
                                                                                                                           architecture. Paper presented at the 25th        gekoppelten Wärme- und Feuchtetransports          brick–lime plasters and their relevance
As an example, Analysis of tempe-          each façade. Studies show that          chitectural approach rather than        Annual Conference of the Association for         in Bauteilen mit einfachen Kennwerten. 42.        to climatic conditions of historic bath
                                                                                                                           Computer-Aided Design in Architecture.                                                             buildings. Construction and Building
rature trends for the last 100 years       brick facades with low reflectivity     an emphasis on building physics.                                                         Lengsfeld, K., & Holm, A. (2007). Entwicklung
                                                                                                                                                                                                                              Materials, 23(6), 2442-2450. doi: https://doi.
                                                                                                                           Cauvin, J. (2000). The Birth of the              und Validierung einer hygrothermischen
in several large U.S. cities indicate      in compar-ison with heavily insula-                                             Gods and the Origins of Agriculture:             Raumklima-Simulationssoftware                     org/10.1016/j.conbuildmat.2008.10.005
that, since 1940, temperatures in ur-      ted envelopes can decrease extre-                                               Cambridge University Press.                      WUFI®-Plus. Bauphysik, 29(3), 178-                Wernery, J., Ben-Ishai, A., Binder, B.,
                                                                                                                                                                            186. doi: doi:10.1002/bapi.200710025              & Brunner, S. (2017). Aerobrick — An
ban areas have increased by about          me heat stress for pedestrians by                                               Chokhachian, A., Perini, K., Dong,
                                                                                                                                                                            Mofidi, F., & Akbari, H. (2017). Personalized     aerogel-filled insulating brick. Energy
                                                                                                                           S., & Auer, T. (2017). How Material                                                                Procedia, 134, 490-498. doi: https://doi.
0.5 - 3.0 °C. Typically, electricity de-   26% during the day time (Ata Chok-                                              Performance of Building Façade Affect            energy costs and productivity
                                                                                                                                                                            optimization in offices. Energy and               org/10.1016/j.egypro.2017.09.607
mand in cities increases by 2 - 4 %        hachian, Perini, Dong, & Auer, 2017).                                           Urban Microclimate. Paper presented at
                                                                                                                           the Powerskin 2017, Munich, Germany.             Buildings, 143, 173-190. doi: https://doi.
for each 1 °C increase in tempera-         Additionally, there has been sever-                                             Chokhachian, A., Santucci, D., & Auer, T.
                                                                                                                                                                            org/10.1016/j.enbuild.2017.03.018

ture. Hence, we estimate that 5 -          al studies about evaporative cooling                                            (2017). A Human-Centered Approach to             Oates, D. (1990). Innovations in mud-
                                                                                                                           Enhance Urban Resilience, Implications and       brick: Decorative and structural
10 % of the current urban electrici-       potential of building envelopes whe-                                            Application to Improve Outdoor Comfort in        techniques in ancient Mesopotamia.
                                                                                                                                                                            World Archaeology, 21(3), 388-406. doi:
ty demand is spent to cool buildings       re Han, Xu, and Qing (2017) explo-                                              Dense Urban Spaces. Buildings, 7(4), 113.
                                                                                                                                                                            10.1080/00438243.1990.9980115
just to compensate for the increa-         red the effect of two passive coo-                                              Coffman, R., Agnewl, N., Austin, G., &
                                                                                                                           Doehnel, E. (1990). ADOBE MINERALOGY:            Rizwan, A. M., Dennis, L. Y. C., & Liu,
sed 0.5 - 3.0 °C in urban tempera-         ling systems, water-retaining bricks                                            Characterization of Adobes from around           C. (2008). A review on the generation,
                                                                                                                           the world. Paper presented at the 6th            determination and mitigation of Urban
tures (Akbari, Pomerantz, & Taha,          on roof and radiation shield on roof                                            International Conference on the Conservation     Heat Island. Journal of Environmental
2001; Jandaghian & Akbari, 2018). It       concluding that the maximum coo-                                                of Earthen Architecture: Adobe 90.               Sciences, 20(1), 120-128. doi: https://doi.
                                                                                                                                                                            org/10.1016/S1001-0742(08)60019-4
is found that for the city of Athens,      ling capabil-ity can be achieved                                                Friesem, D. E., Karkanas, P., Tsartsidou,
                                                                                                                           G., & Shahack-Gross, R. (2014).                  Santamouris, M., Papanikolaou, N., Livada,
where the mean heat island intensi-        through on-roof water-retaining                                                 Sedimentary processes involved in                I., Koronakis, I., Georgakis, C., Argiriou,
                                                                                                                           mud brick degradation in temperate               A., & Assimakopoulos, D. N. (2001).
ty exceeds 10 °C, the cooling load         bricks. Another study explores the                                                                                               On the impact of urban climate on the
                                                                                                                           environments: a micromorphological
of urban buildings may be doubled,         effects of a Moist Void-brick wall as                                           approach in an ethnoarchaeological               energy consumption of buildings. Solar
                                                                                                                           context in northern Greece. Journal of           Energy, 70(3), 201-216. doi: https://doi.
                                                                                                                           Archaeological Science, 41, 556-567. doi:

                                                                                                                                                                                                                                                                               9
Climate Active Bricks - TUM
context

                                                                                                        One of the main aspects of life is the   de precise regulation of glare, illu-     Thermal radiation has a ma-
                                                                                                        dynamics of its elements. Climate        minance, brightness, luminous flux.       jor influence on the heat ba-
                                                                                                        conditions, behaviors and comfort.                                                 lance of humans.
                                                                                                                                                 Acoustic Comfort is achieved when
                                                                                                        The ‘comfort’ depends on perso-          spaces provide appropriate acousti-       Fresh Air Supply: besides human
                                                                                                        nal perceptions and also on tem-         cal support for interaction, confiden-    emissions of CO2 and humidity, ga-
                                                                                                        porarily changing feelings of an in-     tiality, and concentrative work and       ses, odours, biological impurities
                                                                                                        dividual user. It mainly consists        habitation by regulating noise levels,    that transmit diseases, aerosols and
                                                                                                        of four comfort parameters:              sound absorption, sound attenua-          dust require sufficient amount of ap-
                                                                                                                                                 tion, sound insulation and reverbe-       proximately one volume exchange
                                                                                                        •   visual comfort                       ration time. The building envelope        per hour of an internal space. This
                                                                                                        •   thermal comfort                      provides mostly high sound insula-        is a significant energy consuming
                                                                                                        •   acoustic comfort                     tion from exterior to the interior of a   part of a building. And since recent
                                                                                                        •   supply of fresh air                  building by using sound absorbing         buildings tend to become more and
                                                                                                                                                 surface towards interior spaces.          more airtight, an autonomous de-
                                                                                                        Those four comfort parame-                                                         centralized ventilation system pro-
                                                                                                        ters are essential for human well-       Thermal Comfort: Thermal com-             viding fresh air supply is the fo-
                                                                                                        being and human health.                  fort is very much related to the air      cus of various researchers working
                                                                                                                                                 temperature as well surface tem-          on adaptive building envelopes.
                                                                                                        Visual Comfort: The visual com-          perature of our human body. It is         However, the regulation of the
                                                                                                        fort defines the conditions of the hu-   further depending on physical ac-         above mentioned comfort pa-
                                                                                                        man environment in terms of ligh-        tivity, age, gender, surface tempe-       rameters has been underesti-
                                                                                                        ting levels, glare, light distribution   ratures, humidity, air speed and in-      mated in the last decades.
                                                                                                        and light color. For the users the       sulation between human body and
                                                                                                        main aspects of visual comfort are:      surrounding space. Most of these          At the same time the building en-
                                                                                                        - the comfort of human beings that       parameters are significantly driven       velope has not only an impact on
                                                                                                        provides the feeling of well-being       by the performance of the building        its internal spaces but has also a
                                                                                                        - the performance which enables          envelope by Sun shading devices,          major impact on its exterior envi-
                                                                                                        working people to manage visu-           thermal insulation materials, radia-      ronment: The façade (of lat .: fa-
''Operative temperature'' DIN 7730 (perceived temperature): human beings are not only sensitive         al tasks even under difficult circum-    tion reflecting or absorbing mate-        cies:. Face) shapes the external
to the dry air-bulb temperature but also the air relative humidity, the mean radiant temperature,       stances over a long time period.         rials. (ASHRAE Stan-dard 1981)            appearance of a building and ge-
the air velocity and the personal clothing and activity level.                                          However, adequate supply of day-         Thermal comfort in rooms de-              nerates the expression of the es-
                                                                                                        light is a very important component      pends partly upon radiati-                sence of an edifice and determi-
Diagram: Comfort temperatures and operative temperatures in an office with different heating methods.   for human health and therefore the       ve exchange between occup-                nes outside comfort conditions.
Image: https://www.researchgate.net/publication/290869207_Comfort_temperatures_and_operati-             building envelope needs to provi-        ants and their surroundings.
ve_temperatures_in_an_office_with_different_heating_methods [accessed Feb 26 2020].

                                                                                                                                                                                                                                11
Climate Active Bricks - TUM
preface
                                                                                                                                          - Basics of Robotic Fabrication

                                                         Prof. Dr. sc. ETH Kathrin Dörfler   The Tenure Track (TT) Professorship       Department of Architecture and af-
                                                                                             Digital Fabrication is a newly found-     filiated with the Department of Civil,
                                                                                             ed research group dedicated to the        Geo and Environmental Engineering.
                                                                                             research and teaching of computa-
                                                                                             tional design and digital fabrication     Seminars of the TT Assistant Pro-
                                                                                             processes in architecture. Currently,     fessorship Digital Fabrication de-
                                                                                             the team of the Professorship con-        velop in relation to a task-specific
                                                                                             sists of four research and teaching       scenario and a constructively moti-
                                                                                             associates with different professi-       vated question regarding Architec-
                                                                                             onal backgrounds. The research            ture and Digital Fabrication. The
                                                                                             group’s goal in teaching is to engage     analysis of the task and technolo-
                                                                                             students in interdisciplinary thinking,   gical boundary conditions are as
                                                                                             merging the fields of architectu-         much the content of the design pro-
                                                                                             ral design, engineering, and cons-        jects as the research of reference
                                                                                             truction, and to explore how com-         projects, the literature on the state
                                                                                             putational design and new robotic         of science and analysis on the topic,
                                                                                             fabrication technologies can lead         and the development of a structu-
                                                                                             to more efficient building construc-      ral and spatial concept, materiali-
                                                                                             tion and reduce the use of resour-        ty, and architectural language. The
                                                                                             ces. Parametric and algorithmic de-       focus is on the conception and ela-
                                                                                             sign strategies provide a platform for    boration of an architectural design,
                                                                                             exploration into the integrative use      which is developed on the basis of
                                                                                             of computational processes in ar-         concrete, exemplary studies and the
                                                                                             chitectural design, with a particular     further implemen-tation of prototy-
                                                                                             focus on integrative methods for the      pes on a model scale and exemp-
                                                                                             generation, simulation and evalua-        larily on a 1: 1 scale. Depending on
                                                                                             tion of highly performative material      the topic, the project may also have
                                                                                             and building systems. With the use        an interdisciplinary character and
                                                                                             of mixed reality tools, the research      deal with topic-related contents of
                                                                                             group also explores the idea of a hy-     adjacent disciplines. The developed
                                                                                             brid, dually augmented human-ro-          interdisciplinary topics are incor-
                                                                                             bot workforce aiming towards a ful-       porated into the project investiga-
Image: UR Robot Setup of the Augmented Fabrication Lab                                       ly integrated digital building culture.   tions and support the design theses.
Photo: TT Professorship Digital Fabrication                                                  The TT Professorship is based at the

                                                                                                                                                                          13
Climate Active Bricks - TUM
preface
                                                                                                                                                            - Adaptive Building Envelopes

                                                                               Dr. - Ing. Philipp Lionel Molter   The Associate Professorship of
                                                                                                                  Architectural Design and Building
                                                                                                                  Envelope is part of the TUM De-
                                                                                                                  partment of Architecture. It's in-
                                                                                                                  terdisciplinary design approach
                                                                                                                  in teaching and research:

                                                                                                                  The focus area 'Experimental' in-
                                                                                                                  vestigates in architectural designs
                                                                                                                  in the context of Additive Manufac-
                                                                                                                  turing focussing on 'functional ge-
                                                                                                                  ometries' for the building envelopes.
                                                                                                                  The aim is to use advantages of dig-
                                                                                                                  ital fabrication and complex geom-
                                                                                                                  etries in order to augment indoor
                                                                                                                  and outdoor comfort and energy ef-
                                                                                                                  ficiency of buildings by reducing
                                                                                                                  technical devices in the same time.

                                                                                                                  The focus area 'adaptation' re-
                                                                                                                  searches in the ability of building en-
                                                                                                                  velopes to respond to exterior cli-
                                                                                                                  mate conditions. Just as our natural
                                                                                                                  environment is in a constant pro-
                                                                                                                  cess of adaptive change, architec-
                                                                                                                  ture can adapt to climatic require-
                                                                                                                  ments. With nature as the model,
                                                                                                                  the Associate Professorship of Ar-
                                                                                                                  chitectural Design and Buildung
                                                                                                                  Envelope developed building en-
                                                                                                                  velopes which, analogous to natu-
                                                                                                                  ral envelope systems, considered
Diagram: Impact of materiality on urban micro climate                                                             either diurnally or annually, be-
Image: Associate Professorship of Architectural Design and Building Envelope                                      have adaptively and responsively.

                                                                                                                                                                                      15
Climate Active Bricks - TUM
preface
                                                                                                         - Simulation of Thermal Comfort

                                     M. Sc. Ata Chokhachian   The Chair for Building Technology         The chair contributes through prac-
                                                              and Climate Responsive Design is          tice oriented research with two
                                                              part of the Department of Architec-       main focus areas: “Environmen-
                                                              ture. Its core focus in teaching and      tal Quality” and “Energy Man-
                                                              research is a holistic design ap-         agement” tries to bring new
                                                              proach for buildings in considera-        insights in the holistic design ap-
                                                              tion of the sustainability goals of the   proach for buildings and cities.
                                                              European Union (EU). A 90% reduc-         Through this module we will ex-
                                                              tion of CO2 emissions in the building     plore environmental modeling tools
                                                              sector compared to 1990 is the main       to quantify local impacts of brick
                                                              goal of the EU carbon roadmap.            walls. We will use computation-
                                                              The implementation of the car-            al simulations to provide optimized
                                                              bon roadmap will have major im-           alternatives for robotically manu-
                                                              pact on the built environment. The        facturing of brick elements. These
                                                              necessary transformation process          tools will support us in the pro-
                                                              goes hand in hand with the ongo-          cess of design and decision mak-
                                                              ing transformation in the wake of cli-    ing to understand the microcli-
                                                              mate change and urbanization. In          matic impacts on human scale.
                                                              research the chair is dealing with
                                                              transformations of the built environ-
                                                              ment and develops a holistic design
                                                              approach hand in hand with archi-
                                                              tects, engineers and urban planners.
                                                              In the past, energy efficiency was
                                                              primarily driven by technology. At
                                                              the moment, however, there is a re-
                                                              thinking of more holistic concepts
                                                              that increasingly incorporate the ur-
                                                              ban and regional scale. The overall
                                                              objective of this approach is to cre-
                                                              ate maximum comfort in the interior
                                                              as well as in the exterior of the built
Thermal simulation of Chicago, IL.                            environment while minimizing the
Image: Dustin Phillip, 2019                                   use of resources at the same time.

                                                                                                                                         17
the module

                           Thursday     Session 1 - BE		   9.45h - 12.00h
                           Jour Fixe    Session 2 - DF		   13.15h - 16.30h

                           23.04.2020   09.45h			          Kick Off and Introduction Lectures BE & DF
                           		           13.15h 			         Assignment of the Research Topic

                           30.04.2020   no Session		       Field Trip Slot (for Design Studios)           Module Objective

                           07.05.2020 09.45h			            Session BE -Lecture “Performative Envelopes”
                                                                                                          The module Climate Active Bricks
                           		         13.15h 			           Session DF: Getting Started with Python
                           		                                                                             will examine the microclimate effects
                                                                                                          of differentiated geometries
                           14.05.2020   09.45h			          Project Presentation 1 (Research Idea)			      of brick structures. Through this
                                        13.15h			          Session DF: Datastructures and Geometry        course, we will explore environmen-
                                                                                                          tal modeling tools to quantify local
                                                                                                          climatic impacts of brick walls onto
                           28.05.2020 09.45h			 All-Day Design Workshop with Deskcrit                     their immediate surrounding. We will
                           					Submission of the Research Exposé                                         use simulation data to support us in
                                                                                                          the process of design and decision
                           04.06.2020 09.45h 			 Session BE: Lecture “Simulation of Thermal 		            making for spatial brick structures
                           						                             Comfort” by Ata Chokhachian
Research-by-Design Phase

                                                                                                          with the aim to improve human com-
                           		         13.15h			  Design Research Workshop with Deskcrit
                                                                                                          fort. Finally, we will use robots for

                           18.06.2020 9.45h			   Project Presentation 2 (Design Concept)                  the fabrication of intricate designs.
                           		13.15h			           Session DF: Datastructures for Robotic Fabrication

                           25.06.2020 9.45h			   Design Workshop with Deskcrit
Phase 1

                           		         13.15h 			 Session DF: Robotic Fabrication Basics

                                                                                                          Module Structure
                                                                                                          The module consists of
                                                                                                          two main phases
                           02.07.2020   9.45h			           Project Presentation 3 (Design Completed)
                           		           13.15h 			         Session DF: Fabrication Workshop
                                                                                                          Phase 1 —
                           09.07.2020   9.45h 			          All-day Fabrication Workshop                   Research-by-Design Phase
                                                                                                          Developing a Research Topic
Production Phase

                           16.07.2020   9.45h 			          All-day Fabrication Workshop                   Working on a Design Task
                                                                                                          Exploring digital Design Tools
                           23.07.2020   9.45h			           Final Presentation (Fabrication Completed)
Phase 2

                                                                                                          Phase 2 — Production Phase
                           28.07.2020				                  Submission of Project Documentation            Fabrication of selected
                                                                                                          demonstrator objects
                                                                                                                                                  Image: Brick Pattern House by Alireza Mashhadimirza
                                                                                                                                                  Photo: Alireza Mashhadimirza

                                                                                                                                                                                                                19
the module

                                                                                          Phase 1 —                        Design Brief:
                                                                                          Research-by-Design Phase
                                                                                          Working on a design task         Our objective for this semester's
                                                                                          Developing a research topic      module is to design and develop
                                                                                          Exploring digital design tools   a spatial urban microclimate
                                                                                                                           intervention (walk-in structure)
                                                                                                                           for central Munich made out of
                                                                                                                           bricks. We imagine such a struc-
                                                                                                                           ture to become a space for explo-
                                                                                                                           ration for your research on urban
                                                                                                                           microclimate effects with a special
                                                                                                                           focus on:

                                                                                                                           •   issues of thermal comfort
                                                                                                                               (urban heating/cooling islands)

                                                                                                                           •   enhanced microclimate by
                                                                                                                               various methods
                                                                                                                               (e.g., self-shading by geome-
                                                                                                                               try, evaporation cooling, etc.)

                                                                                                                           •   digital modeling,
                                                                                                                               simulation, optimization,
                                                                                                                               and assembly techniques

Graphic: Climate-Active Furniture
Image: Associate Professorship of Architectural Design and Building Envelope -
Bareiss, Philippe; Bavshi, Harsh; Narayan, Keshav; Panchal, Himadri, Spiessens, Mathias

                                                                                                                                                                         21
the module

Research Exposé Structure              It determines where and what            Expected Results                    Phase 1 —                         Developing a Research Topic          Writing a Research Exposé
                                       kind of research the writer will        Describe expected research          Research-by-Design Phase
Introduction                           be looking for. It guides               findings and what you want to       Working on a design task          Your scientific investigation        Your research exposé in the form of
Background and motivation:             information to be collected.            verify/achieve. Be precise in       Developing a research topic       should focus on strategies for       a presentation and text submission
Introduction to the topic being                                                regard to what you want to test     Exploring digital design tools    augmenting the performances          will describe your design proposal
studied and the importance of it       Research and Design Objective           digitally as well as physically:                                      of your urban intervention           and associated research topic.
(e.g. aspects of societal relevance:   Identification of research gap/                                                                               by responding to the surrounding     For this use please the templates
economic growth, demographic de-       problem statement, and spe-             •   Restate your thesis                                               climate conditions. In order         we provide you on Moodle.
velopment, environmental impact,       cification of research and de-          •   Summarize your main findings                                       to develop your design pro-
etc.). A clear and concise summa-      sign question and goals:                •   Answer the research questions                                     posal an in-depth research           We encourage you to sign up for
ry of the whole research objectives.                                                                                                                 could be accomplished in one         the Climate Active Bricks Group
                                       Narrows down the focus. Guides in-      References                                                            of the following topics:             on Mendeley for collaboration,
State of the Art                       formation to be collected. Facilita-    Your literature sources                                                                                    exchange and development of
A short description of relevant re-    tes development of methodology.                                                                               •   Urban heat island effect         our literature pool collection.
search in the field that provi-        Can break down a broad objective                                                                              •   Urban microclimate effects
des context to your own work:          into small logically connected parts.                                                                         •   Outdoor comfort in urban areas
Statement about an area of con-        Is related to the problem of a study.                                                                         •   (Digital) brick design
cern, a condition to be improved                                                                                                                     •   Robotic brickwork
upon, a difficulty to be eliminated.   Method                                                                                                        •   Self-shading geomet-
Places the problem into a parti-       A concise description of how you                                                                                  ries in (brick) facades
cular context. Does not state how      will conduct the research project.                                                                            •   Irrigated facade systems
to do something, nor does it of-       Which material, tools, loca-                                                                                  •   Evapotranspiration
fer a vague or broad proposition       tion, effect will you apply?                                                                                  •   Autoreactive Systems
or present a value question Impor-                                                                                                                   •   etc.
tance: When understanding the na-      •   Selection of procedures
ture of the problem, one is bet-           and research instruments
ter able to develop a solution.        •   Method for data
                                           collection and analysis                                                 Image:
                                                                                                                   Courant D'Air by Océane Romanet

                                                                                                                                                                                                                            23
the module

                                                                         Phase 1 —                        Exploring Digital Design Tools           The intended learning outcomes
                                                                         Research-by-Design Phase                                                  include:
                                                                         Working on a design task         Based on your designs you will learn     •    to understand the theoretical
                                                                         Developing a research topic      the principles of parametric and              background of basic data
                                                                         Exploring digital design tools   algorithmic design with the Rhino             structures,
                                                                                                          and Grasshopper software and the         •    apply the basic principles of
                                                                                                          Python programming language.                  algorithmic design,
                                                                                                                                                   •    implement basic versions of
                                                                                                          To help you evaluating your designs           prevalent algorithms related
                                                                                                          we will explore environmental                 to architectural geometry and
                                                                                                          modeling tools to quantify local              robotic fabrication,
                                                                                                          climatic impacts of brick walls onto     •    use common CAD tools as
                                                                                                          their immediate surrounding. We will          interfaces to self-implemented
                                                                                                          use simulation data to support us in          solutions, and
                                                                                                          the process of design and decision       •    understand the scope and
                                                                                                          making for spatial brick structures           relevance of computational
                                                                                                          with the aim to improve human                 methods for architectural
                                                                                                          comfort. We will also use robotic             research and practice.
                                                                                                          fabrication simulation tools to verify
                                                                                                          the fabricability of your designs.

Simulation: Environmental Analysis and Optimization using Ladybug Tool
Image: Ata Chokhachian

                                                                                                                                                                                     25
the module

                                                                                                                   Phase 2 —                 Fabrication of selected
                                                                                                                   Production Phase          demonstrator objects
                                                                                                                   Fabrication of selected
                                                                                                                   demonstrator objects      In the center of phase 2 is the
                                                                                                                                             practical realisation of selected
                                                                                                                                             design proposals by using industrial
                                                                                                                                             robot arms to assemble the brick
                                                                                                                                             structures. By this we will explore
                                                                                                                                             their inherent process-distinct
                                                                                                                                             materiality, architectural expression
                                                                                                                                             and microclimate effects at a 1 to 1
                                                                                                                                             scale.

Illustration: Robot setup for the practical experimentation with concepts of robotic fabrication in architecture
Image: TT Professorship Digital Fabrication

                                                                                                                                                                                             27
imprint

Module Organisation                                                                 Text and Concept      TUM Department of Architecture
                                        © 2020 TUM Technical University of Munich - All Rights Reserved   Technical University of Munich
Online Tools
Webinars
•    via Zoom                                                                                             TT Professorship Digital Fabrication
Module Material
•    Moodle                                                                                               Associate Professorship of
•    Github                                                                                               Architectural Design and Building
•    Mendeley                                                                                             Envelope
File Submission
•    Moodle                                                                                               Chair of Building Technology and
•    Google Drive                                                                                         Climate Responsive Design

Module Requirements
                                                                                                          Arcisstraße 21
Operating System                                                                                          80333 Munich I Germany
•  Windows 10 Pro
   (freely available for all
   TUM students)
Commercial Software
•  Rhinoceros 3D 6.0
   (test version is free for 90 days)

                                                                                                                                              29
Climate Active Bricks

                  TUM Department of Architecture
                   Technical University of Munich

       Tenue Track Assistant Professorship Digital Fabrication
Associate Professorship of Architectural Design and Building Envelope
    Chair of Building Technology and Climate Responsive Design
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