In a real refrigeration cycle, the heat pump uses R-12 as the working fluid at a mass flow rate of 0.1 kg / s. Steam enters the compressor at 200 kPa, -5 ° C, and comes out at 1.5 MPa, 90 ° C. The input power to the compressor is 2.6 kW. The refrigerant enters the expansion valve at 1.2 MPa, 40 ° C, and leaves the evaporator at 200 kPa, -12 ° C. Determine: a) The irreversibility in the compression process. b) The heating capacity. c) The COP of the heating pump. Suppose the atmospheric temperature is 298K. En un ciclo real de refrigeración, la bomba de calor utiliza R-12 como fluido detrabajo a una tasa de flujo másico de 0.1 kg/s. Entra vapor en el compresor con200 kPa, -5°C, y sale a 1.5 MPa, 90°C. La potencia de entrada al compresor es 2.6kW. El refrigerante entra en la válvula de expansión a 1.2 MPa, 40°C, y sale delevaporador a 200 kPa, -12°C. Determine: a) La irreversibilidad en el proceso decompresión. b) La capacidad de calentamiento. c) EI COP de la bomba decalefacción. Suponga que la temperatura atmosférica es 298K. *

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Answered: In a real refrigeration cycle, the heat…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

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In a real refrigeration cycle, the heat pump uses R-12 as the working fluid at a mass flow rate of 0.1 kg / s. Steam enters the compressor at 200 kPa, -5 ° C, and comes out at 1.5 MPa, 90 ° C. The input power to the compressor is 2.6 kW. The refrigerant enters the expansion valve at 1.2 MPa, 40 ° C, and leaves the evaporator at 200 kPa, -12 ° C. Determine: a) The irreversibility in the compression process. b) The heating capacity. c) The COP of the heating pump. Suppose the atmospheric temperature is 298K.

En un ciclo real de refrigeración, la bomba de calor utiliza R-12 como fluido de
trabajo a una tasa de flujo másico de 0.1 kg/s. Entra vapor en el compresor con
200 kPa, -5°C, y sale a 1.5 MPa, 90°C. La potencia de entrada al compresor es 2.6
kW. El refrigerante entra en la válvula de expansión a 1.2 MPa, 40°C, y sale del
evaporador a 200 kPa, -12°C. Determine: a) La irreversibilidad en el proceso de
compresión. b) La capacidad de calentamiento. c) EI COP de la bomba de
calefacción. Suponga que la temperatura atmosférica es 298K. *

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