Air (1 atm) enters into a 5-cm-diameter circular tube at 20C with an average velocity of 5

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Air (1 atm) enters into a 5-cm-diameter circular tube at 20°C with an average velocity of 5 m/s. The tube wall is maintained at a constant surface temperature of 160°C, and the outlet mean temperature is 80°C. Estimate the length of the tube.

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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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Question Posted: Dec 04, 2018 06:37 AM

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Air (1 atm) enters into a 5-cm-diameter circular tube at 20C with an average velocity of 5

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