1. A Freon-12 refrigerator producing a cooling effect of 20 kJ/s operates on a simple cycle with pressure limits of 1.509 bar and 9.607 bar. The vapour leaves the evaporator dry saturated and there is no undercooling. Determine the power required by the machine. If the compressor operates at 300 rpm. and has a clearance volume of 3% of stroke volume, determine the piston displacement of the compressor. For compressor assume that the expansion following the law pv.13 = constant.
1. A Freon-12 refrigerator producing a cooling effect of 20 kJ/s operates on a simple cycle with pressure limits of 1.509 bar and 9.607 bar. The vapour leaves the evaporator dry saturated and there is no undercooling. Determine the power required by the machine. If the compressor operates at 300 rpm. and has a clearance volume of 3% of stroke volume, determine the piston displacement of the compressor. For compressor assume that the expansion following the law pv.13 = constant.
Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN:9781305578296
Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Chapter23: Compressors
Section: Chapter Questions
Problem 9RQ: Describe the reciprocating compressor piston, rod, crank-shaft, valves, valve plate, head, shaft...
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![1. A Freon-12 refrigerator producing a cooling effect of 20 kJ/s operates on a simple cycle
with pressure limits of 1.509 bar and 9.607 bar. The vapour leaves the evaporator dry
saturated and there is no undercooling. Determine the power required by the machine.
If the compressor operates at 300 rpm. and has a clearance volume of 3% of stroke
volume, determine the piston displacement of the compressor. For compressor assume
that the expansion following the law pv13 = constant.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa3d52bab-057b-4c2b-9cdf-bb76daa2a39e%2F52fe516d-0505-4bab-9b8c-2f006532b310%2F7985qzsk_processed.jpeg&w=3840&q=75)
Transcribed Image Text:1. A Freon-12 refrigerator producing a cooling effect of 20 kJ/s operates on a simple cycle
with pressure limits of 1.509 bar and 9.607 bar. The vapour leaves the evaporator dry
saturated and there is no undercooling. Determine the power required by the machine.
If the compressor operates at 300 rpm. and has a clearance volume of 3% of stroke
volume, determine the piston displacement of the compressor. For compressor assume
that the expansion following the law pv13 = constant.
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