Determine magnitude of compressor power.
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
Chapter28: Special Refrigeration Applications
Section: Chapter Questions
Problem 15RQ: Why is two-stage compression popular for extra-low-temperature refrigeration systems?
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Question
Determine magnitude of compressor power.
![A standard vapour compression refrigeration cycle operating with a condensing termperature of 35° C and
an evaporating temperature of -10 C develops 15 kW of cooling. The P-h diagram shows the enthaipies
evarious states, I| the isentropic efficiency of the compressor is 0.75, the magnitude of compressor power
(n kW)
35 C
650
(Pa)
-10°C
400
400
475
250
hkg)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb3eaffd6-b477-402f-821d-54d15c8f93d4%2F7112db80-7d66-466f-9780-4a82bc1858d3%2F1fdw4sa_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A standard vapour compression refrigeration cycle operating with a condensing termperature of 35° C and
an evaporating temperature of -10 C develops 15 kW of cooling. The P-h diagram shows the enthaipies
evarious states, I| the isentropic efficiency of the compressor is 0.75, the magnitude of compressor power
(n kW)
35 C
650
(Pa)
-10°C
400
400
475
250
hkg)
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