Thermodynamics: An Engineering Approach 8th Edition

Published by McGraw-Hill Education
ISBN 10: 0-07339-817-9
ISBN 13: 978-0-07339-817-4

Chapter 9 - Gas Power Cycles - Problems - Page 544: 9-98C

Answer

See explanation below.

Work Step by Step

The steam injected increases the mass flow rate through the turbine and thus the power output. This, in turn, increases the thermal efficiency, since W / Qin and W increases while Qin remains constant. Steam can be obtained by utilizing the hot exhaust gases.
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