A heat pump cycle delivers energy by heat transfer to a dwelling at a rate of 50,000 Btu/h. The coefficient of performance of the cycle is 3.8. (a) Determine the power input to the cycle, in hp. (b) Evaluating electricity at $0.085 per kWh, determine the cost of electricity during the heating season when the heat pump operates for 2000 hours.

A heat pump cycle delivers energy by heat transfer to a dwelling at a rate of 50,000 Btu/h. The coefficient of performance of the cycle is 3.8. (a) Determine the power input to the cycle, in hp. (b) Evaluating electricity at $0.085 per kWh, determine the cost of electricity during the heating season when the heat pump operates for 2000 hours.

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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