standard vapor compression cycle a condensing temperature of 36 The heat extraction rat

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
Chapter22: Condensers
Section: Chapter Questions
Problem 7RQ: When a standard-efficiency air-cooled condenser is used, the condensing refrigerant will normally be...
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A standard vapor compression cycle using R134a as the
working fluid has a condensing temperature of 36°C and an
evaporating temperature of -5°C. The heat extraction rate is 30
kW. Calculate:
(1) The refrigerant flow rate in kg/s
(2) The compressor work input in kW
(3) The volume flow rate of refrigerant at the compressor inlet
in m^3/s
(4) The COP
(5) The COP of a Carnot refrigerator operating between the
same temperatures.
Type here ch
Transcribed Image Text:A standard vapor compression cycle using R134a as the working fluid has a condensing temperature of 36°C and an evaporating temperature of -5°C. The heat extraction rate is 30 kW. Calculate: (1) The refrigerant flow rate in kg/s (2) The compressor work input in kW (3) The volume flow rate of refrigerant at the compressor inlet in m^3/s (4) The COP (5) The COP of a Carnot refrigerator operating between the same temperatures. Type here ch
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