Find its first-law and its second-law efficiencies

Reference no: EM131233633

1. Find the isentropic efficiency and the second-law efficiency for the compressor in Problem 8.26.

Problem 8.26

A compressor in a refrigerator receives R-410a at 150 kPa, -40?C and brings it up to 600 kPa, using an actual specific work of 58.65 kJ/kg in adiabatic compression. Find the specific reversible work.

2. A steam turbine has inlet at 4 MPa, 500?C and actual exit of 100 kPa, x = 1.0. Find its first-law (isentropic) and its second-law efficiencies.

Reference no: EM131233633

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