Combustion gases enter a gas turbine at 750°C and 1.2 MPa at a rate of 3.4 kg/s

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Combustion gases enter a gas turbine at 750°C and 1.2 MPa at a rate of 3.4 kg/s and leave at 630°C and 500 kPa. It is estimated that heat is lost from the turbine at a rate of 30 kW. Using air properties for the combustion gases and assuming the surroundings to be at 25°C and 100 kPa, determine
(a) The actual and reversible power outputs of the turbine,
(b) The energy destroyed within the turbine, and
(c) The second-law efficiency of the turbine.

Combustion gases enter a gas turbine at 750°C
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Thermodynamics An Engineering Approach

ISBN: 978-0073398174

8th edition

Authors: Yunus A. Cengel, Michael A. Boles

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