Facades: Chi 2013 - Pratik Raval

Climate Responsive Design – Façade and Formal Aspects Pratik Raval Transsolar Inc.

Façade + 24 October 2013 1

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Sydney, Australia

London, U.K.

Hong Kong, China

Dubai, UAE

Winnipeg, Canada

Manitoba Hydro Place, Winnipeg, Canada Natural ventilation mode

Airflow Concept: Intermediate Seasons solar gains augment stack effect in solar chimney

exhaust air via north atrium into solar chimney

fresh air intake through outer facade

manually opened windows at inner facade natural ventilation of south atrium

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Manitoba Hydro Place, Winnipeg, Canada Heating mode

Airflow Concept: Winter

exhaust air via north atrium into exhaust chimney

perimeter outlets waterfall and water dispersion for humidification

distribution via subfloor plenum

4째C exhaust air for parkade ventilation and heating

highly efficient run around heat recovery system

solar preheating of fresh air

heat recovery from exhaust with supplemental heating

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Manitoba Hydro Place, Winnipeg, Canada Atrium (passive Air Handling Unit!)

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Manitoba Hydro Place, Winnipeg, Canada with KPMB

Measured EUI: 27 systems)

kBtu/sf (regulated

66% Energy savings MNECB

Performance by Gadgets

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Performance by Design

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Mediate

Engage

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Information Commons, Loyola University Chicago, Chicago with SCB

Engage

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kfw westarkade, Frankfurt, Germany with Sauerbruch Hutton

Facade and Formal Design in Urban Context

kfw westarkade, Frankfurt, Germany

Engage

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kfw westarkade, Frankfurt, Germany

Engage prevailing wind zone with over pressure zone with under pressure

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kfw westarkade, Frankfurt, Germany Pressure ring

Natural ventilation

Heating mode

Cooling mode 17

kfw westarkade, Frankfurt, Germany Ventilation concept

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kfw westarkade, Frankfurt, Germany Climate concept - offices

Engage

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kfw westarkade, Frankfurt, Germany

Angelos Law Center, Baltimore with Behnisch Architekten

Facade and Formal Design in Response to Programmatic Requirements

Angelos Law Center, Baltimore Cooling mode

cooling tower air handling unit (one east / one west) supply air to building exhaust air from atrium

supply air from AHU active slab cooling

conditioning of the atrium via transfer air from occupied zones

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Angelos Law Center, Baltimore Natural ventilation mode

natural ventilation assisted by exhaust fan

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Angelos Law Center, Baltimore Office/classroom facade

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Angelos Law Center, Baltimore Library facade

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Angelos Law Center, Baltimore Atrium facade

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Angelos Law Center, Baltimore Estimated EUI: 40

kBtu/sf

55% Energy savings 43% Energy cost savings ASHRAE 90.1-2004

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Institute of Environmental Sustainability, Loyola University Chicago with SCB

Facade and Formal Design for a Semi-outdoor space

Institute of Environmental Sustainability, Loyola University Chicago Climate concept – natural ventilation (cooling) mode

Institute of Environmental Sustainability, Loyola University Chicago Natural ventilation (cooling) mode

Institute of Environmental Sustainability, Loyola University Chicago Benefits to the adjacent dormitory

Institute of Environmental Sustainability, Loyola University Chicago Climate concept - heating mode

Institute of Environmental Sustainability, Loyola University Chicago Heating mode

Retract

Institute of Environmental Sustainability, Loyola University Chicago Envelope and shading properties

Institute of Environmental Sustainability, Loyola University Chicago Envelope and shading properties Estimated EUI: 53

kBtu/sf

49% Energy savings 50% Energy cost savings ASHRAE 90.1-2007

Faรงade and Formal Aspects at Urban Scale m/s

N

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Faรงade and Formal Aspects at Urban Scale Scale dependency

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JÄTKÄSAARI PENINSULA, Helsinki, Finland Low to No Development Competition with BIG Facade and Formal Aspect in Master Plan Design – cold climate

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JÄTKÄSAARI PENINSULA, Helsinki, Finland Reciprocity – daylight and solar access

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JÄTKÄSAARI PENINSULA, Helsinki, Finland Reciprocity – daylight and solar access

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JÄTKÄSAARI PENINSULA, Helsinki, Finland Reciprocity – daylight and solar access

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JÄTKÄSAARI PENINSULA, Helsinki, Finland Reciprocity – daylight and solar access

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JÄTKÄSAARI PENINSULA, Helsinki, Finland Reciprocity – daylight and solar access

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JÄTKÄSAARI PENINSULA, Helsinki, Finland Reciprocity – back to building scale

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JÄTKÄSAARI PENINSULA, Helsinki, Finland Reciprocity – back to building scale

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JÄTKÄSAARI PENINSULA, Helsinki, Finland Reciprocity – back to building scale

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JÄTKÄSAARI PENINSULA, Helsinki, Finland Reciprocity – building scale in urban context

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JÄTKÄSAARI PENINSULA, Helsinki, Finland Reciprocity – building to unit-scale relationship

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JÄTKÄSAARI PENINSULA, Helsinki, Finland Reciprocity – building to unit scale relationship

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JÄTKÄSAARI PENINSULA, Helsinki, Finland

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Master plan for Masdar City, Abu Dhabi with Foster + Partners

Facade and Formal Aspect in Master Plan Design – hot climate

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Master plan for Masdar City with Foster + Partners

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Masdar City, Abu Dhabi

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Central Abu Dhabi

Masdar City

Conclusion

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Questions Pratik Raval Transsolar Inc. raval@transsolar.com 57