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Consider a two-stage cascade refrigeration system operating between the pressure limits of 0 8 and 0.14 MPa Each stage operates on the ideal vapour compression refrigeration cycle with refrigerant-134a as the working fluid Heat rejection from the lower cycle to the upper cycle takes place in an adiabatic counter flow heat exchanger where both streams enter at about 0.4 MPa. If the mass flow rate of the refrigerant through the upper cycle is 024 kgls, detemine the coefficient of performance of this cascade refrigerator.

Consider a two-stage cascade refrigeration system operating between the pressure limits of 0 8 and 0.14 MPa Each stage operates on the ideal vapour compression refrigeration cycle with refrigerant-134a as the working fluid Heat rejection from the lower cycle to the upper cycle takes place in an adiabatic counter flow heat exchanger where both streams enter at about 0.4 MPa. If the mass flow rate of the refrigerant through the upper cycle is 024 kgls, detemine the coefficient of performance of this cascade refrigerator.

Elements Of Electromagnetics
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 two-stage cascade refrigeration system operating between the pressure imits of 08 and 0 14 MPa Each stage operates on the ideal vapour compression refrigeration cycle with refrigerant-134a as the working fluid Heat rejection from the lower cycle to the upper cycle takes place in an adiabatic counter flow heat exchanger where both streams enter at about 0.4 MPa. If the mass flow rate of the refrigerant through the upper cycle is 0.24 kgis, detemine the coefficient of performance of this cascade refrigerator
Transcribed Image Text:Consider a two-stage cascade refrigeration system operating between the pressure imits of 08 and 0 14 MPa Each stage operates on the ideal vapour compression refrigeration cycle with refrigerant-134a as the working fluid Heat rejection from the lower cycle to the upper cycle takes place in an adiabatic counter flow heat exchanger where both streams enter at about 0.4 MPa. If the mass flow rate of the refrigerant through the upper cycle is 0.24 kgis, detemine the coefficient of performance of this cascade refrigerator
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