4. Calculate the power required to compress 18 kg/min of NH, from saturated vapour at 1.4 bar to condensing pressure of 10 bar by a two stage compression with flash intercooling by liquid refrigerant at 4 bar. Assume the refrigerant leaves evaporator as saturated vapour and leaves condenser as saturated liquid. Also find out the load in evaporator in tonnes of refrigeration. Calculate the power required without multi-staging.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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4. Calculate the power required to compress 18 kg/min of NH, from saturated vapour at
1.4 bar to condensing pressure of 10 bar by a two stage compression with flash
intercooling by liquid refrigerant at 4 bar. Assume the refrigerant leaves evaporator as
saturated vapour and leaves condenser as saturated liquid. Also find out the load in
evaporator in tonnes of refrigeration. Calculate the power required without
multi-staging.
Transcribed Image Text:4. Calculate the power required to compress 18 kg/min of NH, from saturated vapour at 1.4 bar to condensing pressure of 10 bar by a two stage compression with flash intercooling by liquid refrigerant at 4 bar. Assume the refrigerant leaves evaporator as saturated vapour and leaves condenser as saturated liquid. Also find out the load in evaporator in tonnes of refrigeration. Calculate the power required without multi-staging.
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