You are asked to design a heating system for a swimming
Chapter 4, Problem 4164(choose chapter or problem)
You are asked to design a heating system for a swimming pool that is 2 m deep, 25 m long, and 25 m wide. Your client desires that the heating system be large enough to raise the water temperature from 20 to 308C in 3 h. The rate of heat loss from the water to the air at the outdoor design conditions is determined to be 960 W/m2 , and the heater must also be able to maintain the pool at 308C at those conditions. Heat losses to the ground are expected to be small and can be disregarded. The heater considered is a natural gas furnace whose efficiency is 80 percent. What heater size (in kW input) would you recommend to your client?
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