An R-22 compressor has a 5 percent clearance volume and a displacement rate of 80 L/s and pumps against a condensing temperature of 40°C. For the two different evaporating temperatures of -10 °C, compute the refrigerant flow rate in kg/s assuming that the clearance volumetric efficiency applies.

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Author:Kreith, Frank; Manglik, Raj M.
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Chapter9: Heat Transfer With Phase Change
Section: Chapter Questions
Problem 9.31P
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An R-22 compressor has a 5 percent clearance volume and a displacement rate of 80 L/s and pumps against a condensing temperature of 40°C. For the two different evaporating temperatures of -10 °C, compute the refrigerant flow rate  in kg/s assuming that the clearance volumetric efficiency applies.

An R-22 compressor has a 5 percent clearance volume and a displacement rate of 80 L/s and pumps against a condensing temperature
of 40°C. For the two different evaporating temperatures of -10 °C, compute the refrigerant flow rate in kg/s assuming that the clearance
volumetric efficiency applies.
(A) 1.059
B) 0.367
(c) 2.059
(D) 0.165
Transcribed Image Text:An R-22 compressor has a 5 percent clearance volume and a displacement rate of 80 L/s and pumps against a condensing temperature of 40°C. For the two different evaporating temperatures of -10 °C, compute the refrigerant flow rate in kg/s assuming that the clearance volumetric efficiency applies. (A) 1.059 B) 0.367 (c) 2.059 (D) 0.165
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