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A refrigeration system using refrigerant R 134a operates between pressure limits of 84.29kPa and 771.02kPa. The gas enters the compressor as a dry saturated vapour and leaves at a temperature of 50°C. The condenser then discharges the liquid R134a to the expansion valve at a temperature of 20°C. Sketch the P-h cycle and determine the following from the R134a tables and chart: (a) enthalpy value at each point of the system (b). the condition of the refrigerant leaving the expansion valve (c) Coefficient of Performance

A refrigeration system using refrigerant R 134a operates between pressure limits of 84.29kPa and 771.02kPa. The gas enters the compressor as a dry saturated vapour and leaves at a temperature of 50°C. The condenser then discharges the liquid R134a to the expansion valve at a temperature of 20°C. Sketch the P-h cycle and determine the following from the R134a tables and chart: (a) enthalpy value at each point of the system (b). the condition of the refrigerant leaving the expansion valve (c) Coefficient of Performance

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
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14. A refrigeration system using refrigerant R 134a operates between pressure limits of 84.29kPa and 771.02kPa. The gas enters the compressor as a dry saturated vapour and leaves at a temperature of 50°C. The condenser then discharges the liquid R134a to the expansion valve at a temperature of 20°C. Sketch the P-h cycle and determine the following from the R134a tables and chart: (a) enthalpy value at each point of the system (b). the condition of the refrigerant leaving the expansion valve (c) Coefficient of Performance
Transcribed Image Text:14. A refrigeration system using refrigerant R 134a operates between pressure limits of 84.29kPa and 771.02kPa. The gas enters the compressor as a dry saturated vapour and leaves at a temperature of 50°C. The condenser then discharges the liquid R134a to the expansion valve at a temperature of 20°C. Sketch the P-h cycle and determine the following from the R134a tables and chart: (a) enthalpy value at each point of the system (b). the condition of the refrigerant leaving the expansion valve (c) Coefficient of Performance
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