Environmental Controls I/IG Lecture 10 Passive Thermal Systems.
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Transcript of Environmental Controls I/IG Lecture 10 Passive Thermal Systems.
![Page 1: Environmental Controls I/IG Lecture 10 Passive Thermal Systems.](https://reader030.fdocuments.in/reader030/viewer/2022032723/56649d135503460f949e73ba/html5/thumbnails/1.jpg)
Environmental Controls I/IGEnvironmental Controls I/IG
Lecture 10Passive Thermal SystemsPassive Thermal Systems
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Passive Thermal SystemsPassive Thermal Systems
Genius Loci + Microclimate +
Vernacular Precedent =
Architectural form as anenvironmental control system
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Passive Thermal SystemsPassive Thermal Systems
Genius Loci
Environmental Forces Earth Wind Fire Water
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Passive Thermal SystemsPassive Thermal Systems
Earth Contact Thermal massThermal mass Wind shelterWind shelter Solar exposureSolar exposure
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Passive Thermal SystemsPassive Thermal Systems
Earthlike forms Thermal mass Wind shelter Solar “canyons”
Marriot LibrarySalt Lake City, Utah
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Passive Thermal SystemsPassive Thermal Systems
Earth-based materials
Adobe, Brick, Stone Natural material
source Thermal mass Locally available Traditional and
modern uses
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Passive Thermal SystemsPassive Thermal Systems
Earthscaping Natural materials Shelter/screening Locally available
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Passive Thermal SystemsPassive Thermal Systems
Wind
Wind Tower Wind scoop Evaporative
cooling Thermal mass
cooling
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Passive Thermal SystemsPassive Thermal Systems
Wind
Warm air rises Attic ventilation Solar chimneys
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Passive Thermal SystemsPassive Thermal Systems
Fire Solar chimney
Morse-Libby Mansion Portland, Maine
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Passive Thermal SystemsPassive Thermal Systems
Wind
Air movement affects comfort Cross ventilation
provides cooling
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Passive Thermal SystemsPassive Thermal Systems
Fire
Solar Angles Summer &
Wintersolstices
Verdant and Autumnal equinoxes
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Passive Thermal SystemsPassive Thermal Systems
Fire
Skin Surface Effects Color Reflectivity Position
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Passive Thermal SystemsPassive Thermal Systems
Fire
Skin Thermal Mass Increasing thermal
mass delays heat penetration
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Passive Thermal SystemsPassive Thermal Systems
Fire
Interior Solar Control Interior shading
reduces depth of solar penetration but still admits heat
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Fire
Site Solar Control Evergreen trees
fairly constant Deciduous trees
vary seasonally
Passive Thermal SystemsPassive Thermal Systems
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Passive Thermal SystemsPassive Thermal Systems
Fire
Exterior Solar Control Sheltered openings
(apertures)
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Water
Evapotranspiration Landscaping
elements provide moisture
Passive Thermal SystemsPassive Thermal Systems
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Water
Interior plantings can give off/trap moisture Use according to
local climate
Passive Thermal SystemsPassive Thermal Systems
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Water
Evaporative cooling Water features
add to evaporative cooling (but increase humidity)
Passive Thermal SystemsPassive Thermal Systems
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Water
Air directed over or through water can provide cooling Use according to
local climate
Passive Thermal SystemsPassive Thermal Systems
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Microclimate
Fountain, recesses,and channeled breezes provide cooling
Building controls exposure to onshore winds
SF School of DesignSan Francisco, CA
Passive Thermal SystemsPassive Thermal Systems
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MicroclimateEvaporative cooling Building exposed
to surrounding landscape
Pool, overhangs,and channeled breezes provide cooling
Taliesin WestPhoenix, AZ
Passive Thermal SystemsPassive Thermal Systems
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Passive Thermal SystemsPassive Thermal Systems
Vernacular Precedents Drawn from Genius Loci Can be adapted to
contemporary design
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Passive Thermal SystemsPassive Thermal Systems
Genius Loci + Microclimate +
Vernacular Precedent =
Architectural form as anenvironmental control system