A refrigeration machine rejects QH = 800 Btu per cycle to a hot reservoir at TH= 540°R, while receiving Qc = 555.0 Btu per cycle from a cold reservoir at temperature Tc. The machine operates at 10 cycles per minute. Determine the net power input, in hp, the minimum theoretical temperature Tc, in °R, and the maximum coefficient of performance of the cycle.
A refrigeration machine rejects QH = 800 Btu per cycle to a hot reservoir at TH= 540°R, while receiving Qc = 555.0 Btu per cycle from a cold reservoir at temperature Tc. The machine operates at 10 cycles per minute. Determine the net power input, in hp, the minimum theoretical temperature Tc, in °R, and the maximum coefficient of performance of the cycle.
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.
Chapter8: Natural Convection
Section: Chapter Questions
Problem 8.46P
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