Solar Energy Applications in the Design of BuildingsHenry J. Cowan |
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Page 102
... luminance of an overcast sky was approximately uniform in all directions . Under such a sky the total horizontal illuminance in lux is numerically equal to its luminance in apostilb . Although such skies probably never occur in practice ...
... luminance of an overcast sky was approximately uniform in all directions . Under such a sky the total horizontal illuminance in lux is numerically equal to its luminance in apostilb . Although such skies probably never occur in practice ...
Page 104
... luminance generally decreasing as the azimuth of a sky - zone moves away from the sun's position . At azimuths from about 120 ° to 180 ° the contours are almost constant with altitude up to about 45 ° and have the highest luminance at ...
... luminance generally decreasing as the azimuth of a sky - zone moves away from the sun's position . At azimuths from about 120 ° to 180 ° the contours are almost constant with altitude up to about 45 ° and have the highest luminance at ...
Page 114
... Luminance of sky - point at altitude 0 ( apostilb ) L2 Luminance of the zenith sky ( apostilb ) h m Ө Altitude of the sun ( degrees ) Air mass , approximately equal to cosec h ( dimensionless ) Altitude of a sky - point ( radians ) ...
... Luminance of sky - point at altitude 0 ( apostilb ) L2 Luminance of the zenith sky ( apostilb ) h m Ө Altitude of the sun ( degrees ) Air mass , approximately equal to cosec h ( dimensionless ) Altitude of a sky - point ( radians ) ...
Contents
What Makes People Accept a Thermal Environment | 13 |
The Design of Sun Shading Devices | 33 |
Making the Best Use of Daylight in Buildings 95 56 | 95 |
Copyright | |
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air temperature air-conditioning altitude architect Australia azimuth behaviour building design building enclosure Building Research Building Research Establishment calculation clear glass computer programs construction cost CSIRO daylight factor Department of Architectural developed diffuse components effect energy conservation energy consumption environment in buildings environmental design evaluation example external wall facade fibre floor glazing heat gain heat load heat loss heating and cooling heliodon horizontal illuminance humidity internal environmental temperature internal temperature latitude luminance materials Melbourne methods overheated period Pareto optimal passive solar peak internal projection roof shade projection shading device shading mask shadow angle simulation solar collectors solar energy Solar Heating solar radiation South storage SUMMER THERMAL PERFORMANCE sun shades sunlight sunscreens surface thermal comfort thermal inertia thermal insulation thermal mass tradeoff diagram University of Sydney values ventilation vertical Washington D.C. window winter