Natural ventillation in Residences

8/2/2019 Natural ventillation in Residences

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If the trees aredense then they

should be placedapart from thebuilding to avoidthe air blockage.

The tree beside the windowmakes the air coming inaccelerated,fresh,oxygenatedand cool.


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Wingwalls:Wingwalls or exterior vertical fins can increase abuilding's ventilative potential by catching and deflecting winds intothe interior. Properly designed wingwalls may also provide solarshading by acting as vertical fins on east and west elevations.


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Placement and Size.Wingwalls from theground to eave on

small scale buildingsare effective for windincidence anglesfrom 20 to 140degrees. Wingwallscan be thicker thanshown in thepreceding figures.Projectingbathrooms, closets,entrances or otherarchitectural featuresmay serve as

"wingwalls."


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WARM & HUMID:Light shelves,Pergolas,Daylighting,

Earth on roof,Pergolas,Shading,Cross ventilation,Night flushing.

DESERT CLIMATE:Wind tower with evaporative coolingEarth bermingShadingMassive structuresExamples


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ARID CLIMATE:

PARTIAL SUNKEARTH-BERMINGROOF INSULATIONSHADINGCROSS-VENTILATION


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MODERATE CLIMATE:

SunspaceRoof-integrated systemsCross ventilationInsulation

HOT & DRY CLIMATEBUILDING:Passive down-draft evaporativecooling(PDEC)systemInsulated

Cavity wallsNatural light and ventilationDust reductionmechanisms

TORRENT RESEARCH CENTRE, AHMEDABAD


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PASSIVE DOWNDRAFT EVAPORATIVE COOLING SYSTEM


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EARTH-BERMING

EARTH AIR TUNNEL


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OTHER PASSIVE FEATURES

Shading devicesDesiccant coolingRoof pondTranswallRoof radiation trapIsolated gain systemsCourtyards(traditional architecture)etc.


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DAYLIGHTING COMPONENTS

Natural ventillation in Residences

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