Q8/30 of Co2 gas at 295k, 0.1 MPa is compressed to exhaust pressure of 0.78MPa, 300 k. Cooling Jacket was used to cool the compressor, so that the heat transfer to the cooling water.

Elements Of Electromagnetics
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Q8/ 30 of Co2 gas at 295k, 0.1 MPa is compressed to exhaust pressure of 0.78MPa,
300 k. Cooling Jacket was used to cool the compressor, so that the heat transfer to
the cooling water.
If 7100 KJ/hr of heat transfer to the cooling water and electric motor which operate
the compressor is supplied by 2.8 kw of electric power determine the efficiency of
the electric motor. Given that;
1- The gas is ideal.
2- Cp of Co2 = 38.9 J/mol.k.
Transcribed Image Text:Q8/ 30 of Co2 gas at 295k, 0.1 MPa is compressed to exhaust pressure of 0.78MPa, 300 k. Cooling Jacket was used to cool the compressor, so that the heat transfer to the cooling water. If 7100 KJ/hr of heat transfer to the cooling water and electric motor which operate the compressor is supplied by 2.8 kw of electric power determine the efficiency of the electric motor. Given that; 1- The gas is ideal. 2- Cp of Co2 = 38.9 J/mol.k.
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