At winter design conditions, a house is projected to lose heat at a rate of 60,000 Btu/h. The internal heat gain from people, lights, and appliances is estimated to be 6000 Btu/h. If this house is to be heated by electric resistance heaters, deter- mine the required rated power of these heaters in kW to main- tain the house at constant temperature.

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.
Chapter2: Steady Heat Conduction
Section: Chapter Questions
Problem 2.60P
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At winter design conditions, a house is projected to
lose heat at a rate of 60,000 Btu/h. The internal heat gain from
people, lights, and appliances is estimated to be 6000 Btu/h. If
this house is to be heated by electric resistance heaters, deter-
mine the required rated power of these heaters in kW to main-
tain the house at constant temperature.
Transcribed Image Text:At winter design conditions, a house is projected to lose heat at a rate of 60,000 Btu/h. The internal heat gain from people, lights, and appliances is estimated to be 6000 Btu/h. If this house is to be heated by electric resistance heaters, deter- mine the required rated power of these heaters in kW to main- tain the house at constant temperature.
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