week5-GreenBuildingDesign

Green Building DesignSourcesMostapha Sadeghipour Roudsari

October 21, 2010 (Week 5)Sustainability in Action - Green Building Innovations

http://www.ted.com/talks/bill_gates.html

http://www.ted.com/talks/bill_gates.html

http://www.ted.com/talks/bill_gates.html

http://www.ted.com/talks/bill_gates.html

http://www.ted.com/talks/bill_gates.html

http://www.ted.com/talks/bill_gates.html

http://www.ted.com/talks/bill_gates.html

http://www.ted.com/talks/bill_gates.html

Heat Balance Equation in Building

Q conduction + Q ventilation + Q evaporation + Q solar + Q internal loads + Q infiltration + Q Mechanical + ... => COMFORT

Image Source: OWP/P, MRIA, Overview of Simulation, IBPSA-USA Presentation for Engineers, International Building performance Simulation – USA Conference, MIT, USA, 2006,

Weather Data

http://apps1.eere.energy.gov/buildings/energyplus/cfm/weather_data3.cfm/region=4_north_and_central_america_wmo_region_4/

country=1_usa/cname=USA

Dry Bulb TemperatureRelative HumiditySolar RadiationWind SpeedWind DirectionCloud CoverRainfall…

Weather Datahttp://apps1.eere.energy.gov/buildings/energyplus/cfm/weather_data3.cfm/region=4_north_and_central_america_wmo_region_4/country=1_usa/

cname=USA

SUN

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HEAT + LIGHT

SUN > heat> solar radiation

SUN > heat> radiation> orientation

SUN > heat + light

Daylighting Schoolshttp://www.innovativedesign.net/pdf/daylightguide_8511.pdf

SUN > Radiation> Light Images Source: http://wiki.naturalfrequency.com/wiki/The_SunSpectral content of incident solar radiation

SUN > Radiation> Light

Image Source: http://wiki.naturalfrequency.com/wiki/Design_Sky

Image Source: http://www.gsd.harvard.edu/people/faculty/reinhart/documents/DiffuseDaylightingDesignSequenceTutorial.pdf

Design Sky Illuminance Values

150-360 Lux <Inside Illum.<375-900 Lux

2% < Inside Illum./7500-18000 Lux <5%

2% < Inside Illum./Ouside Illum. <5%

2% < DF < 5%

SUN > heat + light> shading + lighting designImages Source: http://www.innovativedesign.net/pdf/daylightguide_8511.pdf

SUN > heat + light> glazingImages Source: http://www.innovativedesign.net/pdf/daylightguide_8511.pdf

Images Source: http://wiki.naturalfrequency.com/wiki/Climate_IntroductionSUN > wind

WIND

10 km/ h

20 km/ h

30 km/ h

40 km/ h

50 km/ h hrs372+33429726022318614811174

<37

W ind Frequency (Hrs)

10 km/ h

20 km/ h

30 km/ h

40 km/ h

50 km/ h °C45+403530252015105

<0

Average W ind T emperatures

10 km/ h

20 km/ h

30 km/ h

40 km/ h

50 km/ h %95+8575655545352515<5

Average R elative Humidity

10 km/ h

20 km/ h

30 km/ h

40 km/ h

50 km/ h mm1.0+0.90.80.70.60.50.40.30.2

<0.1

Average R ainfall (mm)

Prevailing WindsWind Frequency (Hrs)Location: P hiladelphia Internati P A U SA, W MO#=724080 (39.9°, -75.2°)

Date: 1st J anuary - 31st DecemberT ime: 00:00 - 24:00

© W eather T ool

Wind > wind roseImages Source: WeatherTool

Wind > wind speedImages Source: http://www.mfe.govt.nz/publications/air/atmospheric-dispersion-modelling-jun04/html/figure4-12.html

Wind > natural ventilation> single sided ventilationImages Source: CIBSE

Wind > natural ventilation> cross ventilationImages Source: CIBSE

Wind > natural ventilation> buoyancy effectImages Source: CIBSE

Wind > natural ventilation> mixed methodsBRE Building

Wind > natural ventilation> design versus realityHoughton Hall

Wind > natural ventilation> CFD simulation

Wind > natural ventilation> Jubilee campus Nottingham UniversityArchitect: Michael Hopkins

LAND

Land > ground temperature

Land > earth sheltered buildings

Image Source: http://www.freewebs.com/environmentalarchitecture/differentkindsofhomes.htm

Earth-Sheltered House, © Malcolm Wells

Land > Geothermal

McNeil Avian Center

“It is an immutable law in business thatwords are words, explanations are explanations, promises are promises but only performance is reality.

Harold S. Geneen, CEO of International Telephone and Telegraph, 1959-77

Prepare to Migrate, Handoko Tjung, Indonesia

Image source: www.SQU1.com