Air enters the compressor of a gas-turbine engine at 300 K and 100 kPa, where it is

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Air enters the compressor of a gas-turbine engine at 300 K and 100 kPa, where it is compressed to 700 kPa and 580 K. Heat is transferred to air in the amount of 950 kJ/kg before it enters the turbine. For a turbine efficiency of 86 percent, determine
(a) The fraction of the turbine work output used to drive the compressor and
(b) The thermal efficiency. Assume variable specific heats for air.
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Thermodynamics An Engineering Approach

ISBN: 978-0073398174

8th edition

Authors: Yunus A. Cengel, Michael A. Boles

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