Saturated ammonia at a temperature of 50oF and a flow rate of 3 lbm/s enters a steady-state well-insulated device with an isentropic efficiency of 85%. The device needs to increase the pressure of the ammonia to 200 psia. Calculate the power required (in hp) and the exit temperature (in oF) if a) The device is a compressor and the ammonia is saturated vapor. b) The device is a pump and the ammonia is saturated liquid

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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 Saturated ammonia at a temperature of 50oF and a flow rate of 3 lbm/s enters a steady-state well-insulated device with an isentropic efficiency of 85%. The device needs to increase the pressure of the ammonia to 200 psia. Calculate the power required (in hp) and the exit temperature (in oF) if

a) The device is a compressor and the ammonia is saturated vapor.

b) The device is a pump and the ammonia is saturated liquid. 

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