A house located in Boulder, Colorado (40° N latitude), has ordinary double-pane windows with 6-mm-thick glasses and the total window areas are 8, 6, 6, and 4 m2 on the south, west, east, and north walls, respectively. Determine the total solar heat gain of the house at 9:00, 12:00, and 15:00 solar time in July. Also, determine the total amount of solar heat gain per day for an average day in January. The shading coefficient of a double pane window with 6-mm thick glasses is SC = 0.82. The incident radiation at different windows at different times are given as in the table.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A house located in Boulder, Colorado (40° N latitude), has ordinary double-pane windows with 6-mm-thick glasses and the total window areas are 8, 6, 6, and 4 m2 on the south, west, east, and north walls, respectively. Determine the total solar heat gain of the house at 9:00, 12:00, and 15:00 solar time in July. Also, determine the total amount of solar heat gain per day for an average day in January. The shading coefficient of a double pane window with 6-mm thick glasses is SC = 0.82. The incident radiation at different windows at different times are given as in the table.
 
 
 
Month
Time
Solar radiation incident on the surface, W/m2
North
East
South
West
July
July
July
January
9:00
117
701
190
114
12:00
138
149
395
149
15:00
117
114
190
701
Daily total
446
1863
5897
1863
Transcribed Image Text:Month Time Solar radiation incident on the surface, W/m2 North East South West July July July January 9:00 117 701 190 114 12:00 138 149 395 149 15:00 117 114 190 701 Daily total 446 1863 5897 1863
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