Consider a 500 kJ / min refrigeration system operating in an ideal compression refrigeration cycle with R-134a as the working fluid. The refrigerant enters the compressor as saturated vapor at 150 kPa and is compressed to 800 kPa. Show the diagram on a T-s chart and calculate the following: a) The quality at the outlet of the throttle valve. b) The COP of the refrigerator. c) The exergy destruction rate of the evaporator. Assume properties for the dead state.
Consider a 500 kJ / min refrigeration system operating in an ideal compression refrigeration cycle with R-134a as the working fluid. The refrigerant enters the compressor as saturated vapor at 150 kPa and is compressed to 800 kPa. Show the diagram on a T-s chart and calculate the following: a) The quality at the outlet of the throttle valve. b) The COP of the refrigerator. c) The exergy destruction rate of the evaporator. Assume properties for the dead state.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Consider a 500 kJ / min refrigeration system operating in an ideal compression refrigeration cycle with R-134a as the working fluid. The refrigerant enters the compressor as saturated vapor at 150 kPa and is compressed to 800 kPa. Show the diagram on a T-s chart and calculate the following: a) The quality at the outlet of the throttle valve. b) The COP of the refrigerator. c) The exergy destruction rate of the evaporator. Assume properties for the dead state.
![Considere un sistema de refrigeración de 500 kJ/min que opera en un ciclo de
refrigeración por compresión ideal con R-134a como fluido de trabajo. El
refrigerante entra al compresor como vapor saturado a 150 kPa y se comprime a
800 kPa. Muestre el diagrama en un gráfico T-s y calcule lo siguiente: a) La
calidad a la salida de la válvula de estrangulamiento. b) El COP del refrigerador. c)
La velocidad de destrucción de exergía del evaporador. Suponga propiedades
para el estado muerto. *](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F56d293b1-7a8d-4c4b-b1f3-c1ccabb631c7%2F3eba5a71-7138-4643-ba74-00a42a9300e7%2Fw4f003_processed.png&w=3840&q=75)
Transcribed Image Text:Considere un sistema de refrigeración de 500 kJ/min que opera en un ciclo de
refrigeración por compresión ideal con R-134a como fluido de trabajo. El
refrigerante entra al compresor como vapor saturado a 150 kPa y se comprime a
800 kPa. Muestre el diagrama en un gráfico T-s y calcule lo siguiente: a) La
calidad a la salida de la válvula de estrangulamiento. b) El COP del refrigerador. c)
La velocidad de destrucción de exergía del evaporador. Suponga propiedades
para el estado muerto. *
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