(1) An ammonia vapor refrigeration cycle operates at an evaporator temperature of -16°C and a condensing temperature of 32°C. Determine the coefficient of performance (a) for an ideal saturation cycle, (b) for wet compression with saturated vapor leaving the compressor, and (c) if the vapor at suction to the compressor is superheated 6 degrees. Ans. (a) 4.50, (b) 4.70, (c) 4.28
(1) An ammonia vapor refrigeration cycle operates at an evaporator temperature of -16°C and a condensing temperature of 32°C. Determine the coefficient of performance (a) for an ideal saturation cycle, (b) for wet compression with saturated vapor leaving the compressor, and (c) if the vapor at suction to the compressor is superheated 6 degrees. Ans. (a) 4.50, (b) 4.70, (c) 4.28
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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Provide solutions using the ASHRAE tables and charts
![(1) An ammonia vapor refrigeration cycle operates at an
evaporator temperature of -16°C and a condensing temperature
of 32°C. Determine the coefficient of performance (a) for an ideal
saturation cycle, (b) for wet compression with saturated vapor
leaving the compressor, and (c) if the vapor at suction to the
compressor is superheated 6 degrees.
Ans. (a) 4.50, (b) 4.70, (c) 4.28](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F019197da-ba2b-4259-9d7a-5b8b34c6288e%2F1cda7fbc-6a86-40fe-b2a3-475d61770e68%2Fwp8yjqo_processed.jpeg&w=3840&q=75)
Transcribed Image Text:(1) An ammonia vapor refrigeration cycle operates at an
evaporator temperature of -16°C and a condensing temperature
of 32°C. Determine the coefficient of performance (a) for an ideal
saturation cycle, (b) for wet compression with saturated vapor
leaving the compressor, and (c) if the vapor at suction to the
compressor is superheated 6 degrees.
Ans. (a) 4.50, (b) 4.70, (c) 4.28
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