Wht size FPC is needed to supply a family\'s domestic hot water needs in March in Denver, Colorado?

Question

assume 80 gallons per day are needed ( 1 gal = 8.3 lb) for the water and that the collector-heat exchanger system has an average efficiency of 40%. The collector tilt angle is equal to the latitude......assume the temperature of the water is increased by ^T=70 assume 80 gallons per day are needed ( 1 gal = 8.3 lb) for the water and that the collector-heat exchanger system has an average efficiency of 40%. The collector tilt angle is equal to the latitude......assume the temperature of the water is increased by ^T=70

Explanation / Answer

Heat needed, Q:

Q = mc ?T = 80 gal x 8.3 lb/gal x 1 Btu/lb.

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