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Unformatted text preview: 2 (Table 114). Analysis The solar heat gain coefficient (SHGC) of the windows is determined from Eq.1157 to be Doublepane window Sun Solar heat gain Heat loss 22C 10C SHGC = 0.87 SC = 0.87 0.88 = 0.7656 Then the solar heat gain through the window per unit area becomes kWh 1.426 Wh 1426 = = = = ) Wh/m )(1863 m 1 ( 7656 . 2 2 l daily tota solar, glazing gain solar q A SHGC Q The heat loss through a unit area of the window during a 24h period is kWh 1.31 Wh 1310 = = = = = h) C(24 ) 10 )(22 m 1 ( C) W/m 55 . 4 ( ) day 1 )( ( 2 2 ave , window window window loss, window loss, T T A U t Q Q i & Therefore, the house is gaining more heat than it is loosing through the East windows during a typical day in January. 1135...
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This note was uploaded on 01/24/2012 for the course PHY 4803 taught by Professor Dr.danielarenas during the Fall '10 term at UNF.
 Fall '10
 Dr.DanielArenas
 Thermodynamics, Mass, Heat, Radiation

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