What would be the error in velocity determination if one used a C p value of 1.00

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What would be the error in velocity determination if one used a Cp value of 1.00 for a circular stagnation tube instead of the true value? Assume the measurement is made with a stagnation tube 2 mm in diameter that is measuring air  (T=25°C,p = 1 atm) velocity for which the stagnation pressure reading is 5.00 Pa.

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Engineering Fluid Mechanics

ISBN: 9781118880685

11th Edition

Authors: Donald F. Elger, Barbara A. LeBret, Clayton T. Crowe, John A. Robertson

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