A rectangular window in a home has a length of 1.5 m and a height of 0.80 m. If the window allows heat to escape from the home at a rate of 2,000 watts, how thick must the window be if the inside temperature of the home is 220 c and the outside temperature is 3.0°C? (Assume that the coefficient of thermal conduction of glass is 0.80 W/mK.)

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
8th Edition
ISBN:9781305387102
Author:Kreith, Frank; Manglik, Raj M.
Publisher:Kreith, Frank; Manglik, Raj M.
Chapter1: Basic Modes Of Heat Transfer
Section: Chapter Questions
Problem 1.11P: 1.11 Calculate the heat loss through a glass window 7-mm thick if the inner surface temperature is...
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QUESTION 3
A rectangular window in a home has a length of 1.5 m and
a height of 0.80 m. If the window allows heat to escape
from the home at a rate of 2,000 watts, how thick must the
window be if the inside temperature of the home is 220 c
and the outside temperature is 3.0°C? (Assume that the
coefficient of thermal conduction of glass is 0.80 W/mK.)
а. 7.1 mm
b. 11 mm
C. 9.1 mm
d. 124 mm
e. 8.1 mm
Transcribed Image Text:QUESTION 3 A rectangular window in a home has a length of 1.5 m and a height of 0.80 m. If the window allows heat to escape from the home at a rate of 2,000 watts, how thick must the window be if the inside temperature of the home is 220 c and the outside temperature is 3.0°C? (Assume that the coefficient of thermal conduction of glass is 0.80 W/mK.) а. 7.1 mm b. 11 mm C. 9.1 mm d. 124 mm e. 8.1 mm
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