Transsolar. Copenhagen, Peter Hübner, residential Neckartenzlingen, Germany. Transsolar Klima-Engineering Folie 1

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1 Transsolar Copenhagen, Arnaud Billard Peter Hübner, residential Neckartenzlingen, Germany Folie 1

2 Transsolar Energietechnik GmbH High Comfort Low Environmental Impact Environment Founded: 1992 Employees: 50 Offices: Stuttgart München New York Climate Engineering appr buildings build Who we are Folie 2

3 Conduction Evaporation Convection Transmission / Reflection Stratification Heat Radiation Physical Phenomena Folie 3

4 Professional Design Tools Dynamic Thermal Simulation: dynamic thermal behaviour of a building depending on: thermal mass, weather conditions, internal and external gains, solar radiation, condensation problems energy consumption and power demand comfort evaluation Temperatur in C Büros und der Doppelfassade Süden Büros 1. OG Büros 2. OG Büros 3. OG Büros 4. OG Büros 5. OG Zeit in Stunde n Doppelfassade 1. OG Doppelfassade 2. OG Doppelfassade 3. OG Doppelfassade 4. OG Doppelfassade 5. OG Umgebungstem peratur Computational Fluid Dynamics, CFD calculation and visualisation of air flows inside and outside a building details of natural convection systems, stratification effects comfort aspects Daylighting Analysis by Simulation: calculation and visualisation of luminance and illuminace distributions optimisation of glazing and shading quality, shading details for complex geometry's both in spatial and temporal resolution analysis of contrast ratios and glare in the visual field visual comfort aspects Design Tools Folie 4

5 Airport Bangkok Linked Hybrid, Peking The Cloud, Frankfurt Hochtief Prisma, Frankfurt Manitoba Hydro, Winnipeg Posttower Bonn Museum Plaza, Louisville KY Nord LB, Hannover Folie 5

6 Sustainable building..requires communication Client Climate Engineer Architect Mechanical Engineer Structural Other Consultants Multidisciplinary Design Team Folie 6

7 Sutainable buildings.require coordination Folie 7

8 Sustainable building design..should start with the first sketch Impact of decisions/changes High Performance Opportunities Cost of making decisions/changes IMPACT COST TIME Folie 8

9 Challenge POST OIL ENERGY COST LIFETIME OF BUILDINGS Folie 9

10 French School Damascus, Syria Architect Ateliers Lion - France, Paris Client Ministry of Foreign Affairs, France + Parents Association Folie 10

11 Design Objectives - minimization of building operation cost (energy, maintenance) - minimization of building invest - natural, comfortable and inspiring environment Folie 11

12 50 IWEC Damascus outdoor temperature 40 temperature [ C] Jan Feb Mrz Apr Mai Jun Jul Aug Sep Okt Nov Dez Climate - Damascus Folie 12

13 Damascus Wind supported natural ventilation Folie 13

14 Wind supported natural ventilation Folie 14

15 Wind supported natural ventilation Folie 15

16 Courtyards - Microclimate Folie 16

17 Outdoor Environment Historic City of Damascus Fixed shading + plants Streets - Microclimate Folie 17

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20 Winter day Climate concept winter day Folie 20

21 Summer day Climate concept summer day Shaded Patio between the buildings Folie 21

22 Summer night Climate concept summer night Folie 22

23 Daylight Utilization - ground level daylight factor [%] > Daylight utilization Folie 23

24 Typical Class Room - room temperature statistics during time of occupation ambient temperature operative room temperature lower floor operative room temperature upper floor number of hours T > 28 C T > 29 C T > 30 C T > 31 C T > 32 C T > 33 C T > 34 C T > 35 C Summer break as a design parameter Folie 24

25 Annual Cooling Consumption (max. set temperature 29 C) 2500 Fan power Cooling Annual electrical demand for air conditioning [kwh] without passive cooling concept considering patio, natural ventilation, embedded pipes Conventional vs. not build back-up peak cooling Folie 25

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31 photography by Adria Goula Folie 31

32 photography by Adria Goula Folie 32

33 photography by Adria Goula Folie 33

34 French School, Damascus Natural ventilation and natural cooling system - healthy, natural environment - reasonable thermal comfort conditions - good air quality - bright illuminated space (daylight) - minimized costs for construction and building operation Folie 34

35 You can do it only in a team! Towards a sustainable city with zero CO 2 footprint Masterplan for Masdar Development, Abu Dhabi in collaboration with Foster & Partners Architects, London Traffic, Systematica, Milano Infrastructure, water, waste, WSP, London and Dubai Energy concept, Transsolar, Stuttgart MEP, Flack & Kurtz, Paris Solar systems, ETA, Florence Cost survey, Cyril Sweet, London Landscape, Gustafson Porter, London Folie 35

36 1960 Abu Dhabi - from desert to a city in 40 years Folie 36

37 Black beetles: drinking the dew in the morning, collected on his back Dorkas gazelle: Survive for months without drinking, water collection through wet grass feeding in the morning, kidneys work with minimal water consumption for decontamination Learning from nature Folie 37

38 Specific electricity consumption Reference Abu Dhabi today 2nd iteration Electricity (kwh/m²a) final report Electricity (kwh/m²a) electricity [kwh/m²a] Retail/Lab./Prod. Masdar, Abu Dhabi, UAE Office/Research Office Housing/Hotel Education Folie 38

39 90% Final energy savings compared to Abu Dhabi today 80% 70% 60% 50% 40% 30% Reduction [%] 20% 10% 0% Retail/Lab./Prod. Office/Research Office Housing/Hotel Education total Masdar, Abu Dhabi, UAE Folie 39

40 Masdar, Abu Dhabi, UAE Folie 40

41 Energy supply and distribution system Folie 41

42 CONVENTIONAL CITY MASDAR Building Design Energy Generation Waste Transportation Building Design Energy Generation Waste Transportatio n Conventiona l Oil and Gas Landfill Fossil fuel Energy Efficient Renewable Recycling / Waste to Energy Electric / Solar 80% 13% 7% -56% -24% -12% -7% -1% Carbon offsetting / Carbon Sequestration ~1,100,000 Tonnes CO 2 =0 CO 2 Carbon Balance Folie 42

43 URBAN DESIGN SYSTEMS SOLAR AND DAYLIGHT ACCESS WIND AND PEDESTRIAN COMFORT CARBON EMISSIONS Folie 43

44 URBAN DESIGN SYSTEMS INTERCONNECTED SYSTEMS URBAN PLANNING SYSTEMS UPDATE Folie 44

45 SCALE DEPENDENCY Each scale is dependent on successful implementation of strategies at all other scales. URBAN PLANNING INTERCONNECTION OF SCALE Folie 45

46 Certification (Green Buildings) Folie 46

47 Haute Qualité Environnementale HQE 26th Dec. 95 : Marque «HQE» from l'aimcc (contrat ) Oct. 96 : AIMCC support during HQE association creation Nov. 99 : Licence from AIMCC to HQE association Dec. 01: 1st HQE workshop 19th March 02 : HQE process is borned integrating management system 20th june 03 : «Partenaire HQE» et «Démarche HQE» (contrat ) 13th Feb 04 : Signature between Association HQE and l'afnor Certification ( «NF ouvrages» et «démarche HQE») Feb. 05 : First certification "NF Bâtiments Tertiaires -Démarche HQE " Folie 47

48 LEED certification philosophy: GO FOR IT! Folie 48

49 HQE certification philosophy: Think Folie 49

50 How HQE certification is working?: 14 goals to reach at different level Folie 50

51 What is HQE certification made of?: Maintain the sustainable quality of the operation at every step Système de management de l opération Management system: Who is doing what? When? How? Why? With whom? With which contract? Under which control? Folie 51

52 Control to obtain certification?: client Conception team Contractors Programm Conception End-construction Users Folie 52

53 How HQE, easy or complex?: Folie 53

54 Le Grand pari de l agglomération Parisienne. Consultation Internationale pour l avenir du Paris Métropolitain Ateliers LION (mandataire commun) Folie 54

55 Analyse environnementale du dépassement des hauteurs à Paris - SEMAPA - Ville de Paris Architectes: Ateliers LION (Architecte coordinateur) Sauerbruch Hutton Eric Lapierre Anne Démians Jacques Ferrier Folie 55

56 Cité du Design, St Etienne Architectes: LIN (Finn Geipel / Berlin) Première Nationale mise en place de pieux énergétiques et de sondes géothermique à grande échelle Démarche HQE Suivi énergétique par EDF R&D, ADEME, CSTB Folie 56

57 La Philharmonie de Paris Architectes: AJN (Atelier Jean Nouvel, Paris) Concept énergétique (chauffage, refroidissement, ventilation conception des façades) Démarche HQE Premier projet pilote pour la création d un nouveau référentiel de certification salle de concert (Certivéa / CSTB) Folie 57

58 Fondation Louis Vuitton, Paris Architectes: Gehry + Partners, Los Angeles Concept énergétique (chauffage, refroidissement, ventilation conception des façades) dans le cadre de la démarche environnementale HQE Folie 58

59 Louvre, Lens Architectes: SANAA, Tokyo Concept énergétique (chauffage, rafraîchissement, ventilation) Projet pilote HQE pour la création d un nouveau référentiel de certification musée (Certivéa / CSTB) Folie 59

60 Marseille - Immeubles de logements Architectes: Ateliers Lion architectes urbanistes Concept énergétique (chauffage, refroidissement, ventilation, confort thermique, approvisionnement énergétique, etc.) Folie 60

61 Digiteo Lab - Paris Architectes: Behnisch Architekten / BRS Architectes Concept énergétique (chauffage, refroidissement, ventilation, confort thermique, approvisionnement énergétique, etc.) Folie 61

62 Alvéole 14 - Réaménagement Base sous-marine Saint Nazaire Architecte: LIN, Berlin (Finn Geipel) Concept énergétique (chauffage, refroidissement, ventilation, confort thermique, approvisionnement énergétique, etc.) Folie 62

63 Tour Lafayette Garibaldi Lyon Architectes: Valode et Pistre architectes Folie 63

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71 Certification Ranking: Contradiction: complexity and usability Input: limited parameter set Results: checklist not a design tool Conclusion: Certification does not substitute an integrated design process Folie 71

72 Sustainable buildings...require an individual design, adjusted to -site - climate -program There is no prototype. The best and maybe way is an Integrated Design Approach Folie 72

73 Design - Objectives Topics of Work Options for a roadmap - Potential Study on site specifique resources - Masterplan: microclimate, local comfort, solar access, energy supply, waste, water - Building Scale: - unique authentic architecture signature - maximizing passive performance, materials, systems - experience european culture by architecture Folie 73

74 Thank you! Folie 74