Consider a reversible refrigerator is operating on steady-flow cycle with R22 as the refrigerant. The refrigerant mass flow rate is 3 kg/s. The quality and temperature of R22 is 25% and 5°C at the beginning of the heat-input process and is 100% at the end. The degree of sub-cooling for R22 is 5K at end of the heat rejection process. Show the cycle on T-s diagram relative to the saturation lines, and determine (a) R22 vapor pressure at beginning of heat rejection process, (b) net power to the cycle and refrigeration and heat capacity, (c) COP of cycle in refrigeration and heat pump proposes, (d) analyses of ideal refrigeration cycle which has the same condensation and evaporation temperatures with the mentioned reversible cycle and show the ideal cycle with the component and T-s diagram.

Consider a reversible refrigerator is operating on steady-flow cycle with R22 as the refrigerant. The refrigerant mass flow rate is 3 kg/s. The quality and temperature of R22 is 25% and 5°C at the beginning of the heat-input process and is 100% at the end. The degree of sub-cooling for R22 is 5K at end of the heat rejection process. Show the cycle on T-s diagram relative to the saturation lines, and determine (a) R22 vapor pressure at beginning of heat rejection process, (b) net power to the cycle and refrigeration and heat capacity, (c) COP of cycle in refrigeration and heat pump proposes, (d) analyses of ideal refrigeration cycle which has the same condensation and evaporation temperatures with the mentioned reversible cycle and show the ideal cycle with the component and T-s diagram.

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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