Solution Found!
At winter design conditions, a house is projected to lose
Chapter 2, Problem 41P(choose chapter or problem)
Problem 41P
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, determine the required rated power of these heaters in kW to maintain the house at constant temperature.
Questions & Answers
QUESTION:
Problem 41P
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, determine the required rated power of these heaters in kW to maintain the house at constant temperature.
ANSWER:
Step by step solution Step 1 of 2Express the energy balance of the system.HereRate of input energy isRate of output energy isRate of change of system energy is ..