An ammonia ice plant operates on simple saturation cycle at the following temperatures.Condensing temperature 40°CEvaporating temperature -15°CIt produces 10 tons of ice per day at -5°C from water at 30°C. Determine:(a) Capacity of the refrigeration plant.(b) Mass flow rate of refrigerant.(c) Isentropic discharge temperature.(d) Compressor dimensions (bore and stroke) if its volumetric efficiency is assumed as 65%. The compressor is to run at 1400 rpm. Take stroke/ bore ratio (L/D) as 1.2.(e) Horsepower of the compressor if its adiabatic efficiency is taken as 85% and mechanical efficiency as 95%.(f) Theoretical and actual COP.

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Answered: An ammonia ice plant operates on simple…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

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An ammonia ice plant operates on simple saturation cycle at the following temperatures.

Condensing temperature 40°C

Evaporating temperature -15°C

It produces 10 tons of ice per day at -5°C from water at 30°C.

Determine:

(a) Capacity of the refrigeration plant.

(b) Mass flow rate of refrigerant.

(d) Compressor dimensions (bore and stroke) if its volumetric efficiency is assumed as 65%. The compressor is to run at 1400 rpm. Take stroke/ bore ratio (L/D) as 1.2.

(e) Horsepower of the compressor if its adiabatic efficiency is taken as 85% and mechanical efficiency as 95%.

(f) Theoretical and actual COP.

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