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 17 - Compressible Flow - Problems - Page 890: 17-31C

Answer

Pressure at the throats of two different converging-diverging nozzles are identical.

Work Step by Step

Pressure at the throats of two different converging-diverging nozzles are identical. Here it is given that the gas has the same stagnation conditions, so it has same sonic conditions at the throat. Therefore even though the match number is different, pressure at the throats are identical.
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