Air (1 atm) entered into a 5-mm-diameter circular tube at an average velocity of 5 m/s. The

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Air (1 atm) entered into a 5-mm-diameter circular tube at an average velocity of 5 m/s. The tube wall is maintained at a constant surface temperature. Determine the convection heat transfer coefficient for

(a) A 10-cm-long tube and

(b) A 50-cm-long tube. Evaluate the air properties at 50°C.

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Fundamentals of Thermal-Fluid Sciences

ISBN: 978-0078027680

5th edition

Authors: Yunus A. Cengel, Robert H. Turner, John M. Cimbala

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