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Climate Responsive Design – Façade and Formal Aspects

Pratik Raval

Transsolar Inc.

Façade + 24 October 2013

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Sydney, Australia London, U.K.

Hong Kong, China Dubai, UAE

Winnipeg, Canada

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solar gains augmentstack effectin solar chimney

fresh air intake through outer facade

exhaust air via north atriuminto solar chimney

Airflow Concept: Intermediate Seasons

natural ventilationof south atrium

manually opened windows at inner facade

Manitoba Hydro Place, Winnipeg, Canada Natural ventilation mode

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highly efficientrun around heat recovery system

waterfall and water dispersion for humidification

4°C exhaust air for parkade ventilation and heating

exhaust air via north atriuminto exhaust chimney

heat recovery from exhaustwith supplemental heating

solar preheating of fresh air

Airflow Concept: Winter

distribution viasubfloor plenum

perimeter outlets

Manitoba Hydro Place, Winnipeg, Canada Heating mode

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

Measured EUI: 27 kBtu/sf (regulated systems)

66% Energy savings MNECB

Manitoba Hydro Place, Winnipeg, Canada with KPMB

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Performance by Gadgets

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Performance by Design

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Mediate

Engage

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Engage

Information Commons, Loyola University Chicago, Chicago with SCB

Facade and Formal Design in Urban Context

kfw westarkade, Frankfurt, Germany with Sauerbruch Hutton

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Engage

kfw westarkade, Frankfurt, Germany

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Engage prevailing wind zone with over pressure zone with under pressure

kfw westarkade, Frankfurt, Germany

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Natural ventilation Heating mode Cooling mode

kfw westarkade, Frankfurt, Germany Pressure ring

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kfw westarkade, Frankfurt, Germany Ventilation concept

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Engage

kfw westarkade, Frankfurt, Germany Climate concept - offices

kfw westarkade, Frankfurt, Germany

Angelos Law Center, Baltimore with Behnisch Architekten

Facade and Formal Design in Response to Programmatic Requirements

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Angelos Law Center, Baltimore Cooling mode

conditioning of the atrium via transfer air fromoccupied zones

air handling unit (one east / one west)supply air to buildingexhaust air from atrium

cooling tower

active slab cooling

supply air from AHU

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natural ventilation assistedby exhaust fan

Angelos Law Center, Baltimore Natural ventilation mode

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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

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

Retract

Institute of Environmental Sustainability, Loyola University Chicago Heating mode

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

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Façade and Formal Aspects at Urban Scale

m/s

N Allston

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Façade 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

Central Abu Dhabi

Masdar City

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Conclusion

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Questions Pratik Raval Transsolar Inc. raval@transsolar.com