An ammonia ice plant operates between a condenser temperature of 35 °C and an evaporator temperature of - 15 °C. Assuming simple saturation cycle, using only tables of properties for ammonia, determine; a. The capacity of the refrigeration plant, b. The mass flow rate of refrigerant, c. The discharge temperature, d. The compressor cylinder diameter and stroke if its volumetric efficiency is ny= 0.65, rpm N=1200 and stroke/bore ratio L/D = 12, e. The horsepower of the compressor motor if the adiabatic efficiency of the compressor Na=0.85 and mechanical efficiency nm=0.95, and f. The theoretical and actual COP.

An ammonia ice plant operates between a condenser temperature of 35 °C and an evaporator temperature of - 15 °C. Assuming simple saturation cycle, using only tables of properties for ammonia, determine; a. The capacity of the refrigeration plant, b. The mass flow rate of refrigerant, c. The discharge temperature, d. The compressor cylinder diameter and stroke if its volumetric efficiency is ny= 0.65, rpm N=1200 and stroke/bore ratio L/D = 12, e. The horsepower of the compressor motor if the adiabatic efficiency of the compressor Na=0.85 and mechanical efficiency nm=0.95, and f. The theoretical and actual COP.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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