A refrigerator using R134a produces 20 Tons of Refrigeration and operates between 0.12 MPa and 1.6 MPa as evaporating and condensing pressures respectively. Calculate the mass flow rate of refrigerant and COP. If an intercooler is introduced at a pressure of 0.9MPa, calculate the mass of refrigerant passing through evaporator and condenser and the power needed by the two compressors and the new COP. What percent is the saving in power? Sketch the cycles on P-h diagrams using point 1 at entry to the first compressor.
A refrigerator using R134a produces 20 Tons of Refrigeration and operates between 0.12 MPa and 1.6 MPa as evaporating and condensing pressures respectively. Calculate the mass flow rate of refrigerant and COP. If an intercooler is introduced at a pressure of 0.9MPa, calculate the mass of refrigerant passing through evaporator and condenser and the power needed by the two compressors and the new COP. What percent is the saving in power? Sketch the cycles on P-h diagrams using point 1 at entry to the first compressor.
Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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![A refrigerator using R134a produces 20 Tons of Refrigeration and operates between 0.12 MPa and 1.6
MPa as evaporating and condensing pressures respectively. Calculate the mass flow rate of refrigerant
and COP. If an intercooler is introduced at a pressure of 0.9MPa, calculate the mass of refrigerant
passing through evaporator and condenser and the power needed by the two compressors and the
new COP. What percent is the saving in power? Sketch the cycles on P-h diagrams using point 1 at
entry to the first compressor.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fadf44261-1a1d-40fc-84d9-29fcefd8c408%2Fcce56e20-e593-4e17-a2c0-76a0d99d5ae0%2Fz9u04ki_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A refrigerator using R134a produces 20 Tons of Refrigeration and operates between 0.12 MPa and 1.6
MPa as evaporating and condensing pressures respectively. Calculate the mass flow rate of refrigerant
and COP. If an intercooler is introduced at a pressure of 0.9MPa, calculate the mass of refrigerant
passing through evaporator and condenser and the power needed by the two compressors and the
new COP. What percent is the saving in power? Sketch the cycles on P-h diagrams using point 1 at
entry to the first compressor.
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