Question 2: There is a refrigeration system with R134a.The compressor operates accepting fluid at 250 kPa and -3°C, leaving it at 1400 kPa. In the condenser the fluid reaches 40°C and 1200 kPa. The heat removed from the space is 10.13 kJ/s and the compressor has an isentropic efficiency of 60.1%. Decide: a) the mass of refrigerant kg/s. b) performance coefficient. c) enthalpy at the compressor outlet kJ/kg d) net work kJ/s.
Question 2: There is a refrigeration system with R134a.The compressor operates accepting fluid at 250 kPa and -3°C, leaving it at 1400 kPa. In the condenser the fluid reaches 40°C and 1200 kPa. The heat removed from the space is 10.13 kJ/s and the compressor has an isentropic efficiency of 60.1%. Decide: a) the mass of refrigerant kg/s. b) performance coefficient. c) enthalpy at the compressor outlet kJ/kg d) net work kJ/s.
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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![Question 2: There is a refrigeration system with
R134a.The compressor operates accepting fluid
at 250 kPa and -3°C, leaving it at 1400 kPa. In
the condenser the fluid reaches 40°C and 1200
kPa. The heat removed from the space is 10.13
kJ/s and the compressor has an isentropic
efficiency of 60.1%.
Decide:
a) the mass of refrigerant kg/s.
b) performance coefficient.
c) enthalpy at the compressor outlet kJ/kg
d) net work kJ/s.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fba3c3910-884f-40fd-b731-50b1d1d0306e%2F1ce1088e-33a7-467f-9115-4f7bf554e70f%2Flckvg1_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Question 2: There is a refrigeration system with
R134a.The compressor operates accepting fluid
at 250 kPa and -3°C, leaving it at 1400 kPa. In
the condenser the fluid reaches 40°C and 1200
kPa. The heat removed from the space is 10.13
kJ/s and the compressor has an isentropic
efficiency of 60.1%.
Decide:
a) the mass of refrigerant kg/s.
b) performance coefficient.
c) enthalpy at the compressor outlet kJ/kg
d) net work kJ/s.
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