What is the rate of heat loss through a 4-cm Fiberglass wall of the inside temperature is 22 °C and the outside temperature is 45 °C and windy (17 kph) ? the area of the wall is 100 square meters. Include surface films. Assume the k-value for 4-cm fiberglass is 0.056 W/m. °C and the surface air film coefficient for windy velocity (17 kph) is 0.053 for out film and the inner film Rs value is 0.093 as per the surface film coefficient tables ?

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
8th Edition
ISBN:9781305387102
Author:Kreith, Frank; Manglik, Raj M.
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Chapter7: Forced Convection Inside Tubes And Ducts
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Problem 7.38P
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What is the rate of heat loss through a
4-cm Fiberglass wall of the inside
temperature
is 22 °C and the outside
temperature is 45 °C and windy (17 kph)
? the area of the wall is 100 square
meters. Include surface films. Assume
the k-value for 4-cm fiberglass is 0.056
W/m. °C and the surface air film
coefficient for windy velocity (17 kph) is
0.053 for out film and the inner film Rs
value is 0.093 as per the surface film
coefficient tables ?
Transcribed Image Text:What is the rate of heat loss through a 4-cm Fiberglass wall of the inside temperature is 22 °C and the outside temperature is 45 °C and windy (17 kph) ? the area of the wall is 100 square meters. Include surface films. Assume the k-value for 4-cm fiberglass is 0.056 W/m. °C and the surface air film coefficient for windy velocity (17 kph) is 0.053 for out film and the inner film Rs value is 0.093 as per the surface film coefficient tables ?
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