Example2/ A refrigeration installation using R-134a comprises one compressor, one condenser and three evaporators of capacities of 10, 20 and 30tons respectively. The temperature to be maintained in the evaporators is 10, 5 and - 10°C respectively. Each evaporator is fitted with an expansion valve. The condenser pressure is to be 10 bar. The exit condition from evaporator is dry saturated vapour and liquid is sub cooled by 10°C in the condenser. Determine 1-The refrigeration effect 2- Rate of flow of the refrigerant in kg/s and 3-The theoretical horse power required.
Example2/ A refrigeration installation using R-134a comprises one compressor, one condenser and three evaporators of capacities of 10, 20 and 30tons respectively. The temperature to be maintained in the evaporators is 10, 5 and - 10°C respectively. Each evaporator is fitted with an expansion valve. The condenser pressure is to be 10 bar. The exit condition from evaporator is dry saturated vapour and liquid is sub cooled by 10°C in the condenser. Determine 1-The refrigeration effect 2- Rate of flow of the refrigerant in kg/s and 3-The theoretical horse power required.
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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Transcribed Image Text:Example2/ A refrigeration installation using R-134a comprises one
compressor,
one
condenser
and three evaporators of capacities of 10, 20 and 30tons
respectively. The temperature to be maintained in the evaporators is 10, 5 and -
10°C respectively. Each evaporator is fitted with
an expansion valve.
The
condenser pressure is to be 10 bar.
The exit condition from evaporator is dry
saturated vapour and liquid is sub cooled by 10°C in the condenser. Determine
1-The refrigeration effect
2- Rate of flow of the refrigerant in kg/s and
3-The theoretical horse power required.
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