Engineering, 20.12.2019 03:31, salgadodarwin1

Air at 20°c (1 atm) enters into a 5-mm-diameter and 10-cm long circular tube at an average velocity of 5.2 m/s. the tube wall is maintained at a constant surface temperature of 160°c. determine the convection heat transfer coefficient and the outlet mean temperature. evaluate the air properties at 50°c. the properties of air at 50°c are:

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Air at 20°c (1 atm) enters into a 5-mm-diameter and 10-cm long circular tube at an average velocity...