An ammonia ice plant operates between a condenser temperature of 35 ℃ and an evaporator temperature of -15℃. It produces 10 tons of ice per day from water at 30℃ to ice at -5℃. Assuming simple saturation cycle, using only tables of properties of ammonia, determine: (a) The capacity of the refrigeration plant (b) The mass flow rate of the refrigerant (c) The discharge temperature (d) The compressor cylinder diameter and stroke if the its volumetric efficiency is 0.65, rpm N = 1200 and stroke/bore ratio (L/D =1.2) (e) The horsepower of the compressor motor if the adiabatic efficiency of the compressor is 0.85 and mechanical efficiency is 0.95; and (f) The theoretical and actual COP
An ammonia ice plant operates between a condenser temperature of 35 ℃ and an evaporator temperature of -15℃. It produces 10 tons of ice per day from water at 30℃ to ice at -5℃. Assuming simple saturation cycle, using only tables of properties of ammonia, determine: (a) The capacity of the refrigeration plant (b) The mass flow rate of the refrigerant (c) The discharge temperature (d) The compressor cylinder diameter and stroke if the its volumetric efficiency is 0.65, rpm N = 1200 and stroke/bore ratio (L/D =1.2) (e) The horsepower of the compressor motor if the adiabatic efficiency of the compressor is 0.85 and mechanical efficiency is 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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An ammonia ice plant operates between a condenser temperature of 35 ℃ and an evaporator temperature of -15℃. It produces 10 tons of ice per day from water at 30℃ to ice at -5℃. Assuming simple saturation cycle, using only tables of properties of ammonia, determine:
(a) The capacity of the refrigeration plant
(b) The mass flow rate of the refrigerant
(c) The discharge temperature
(d) The compressor cylinder diameter and stroke if the its volumetric efficiency is 0.65, rpm N = 1200 and stroke/bore ratio (L/D =1.2)
(e) The horsepower of the compressor motor if the adiabatic efficiency of the compressor is 0.85 and
(f) The theoretical and actual COP
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