A 5m copper tube is heated externally to 100degC. Air is heated by passing it through the 40mm diameter tube, h=0.03375kW/m²-K. The air enters the tube at 20degC and leaves at 88degC. The average air velocity is 8m/s. Calculate the heat transfer in kW

A 5m copper tube is heated externally to 100degC. Air is heated by passing it through the 40mm diameter tube, h=0.03375kW/m²-K. The air enters the tube at 20degC and leaves at 88degC. The average air velocity is 8m/s. Calculate the heat transfer in kW

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter7: Forced Convection Inside Tubes And Ducts

Section: Chapter Questions

Problem 7.4P

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Question

A 5m copper tube is heated externally to 100degC. Air is heated by passing it through the
40mm diameter tube, h=0.03375kW/m²-K. The air enters the tube at 20degC and leaves at
88degC. The average air velocity is 8m/s. Calculate the heat transfer in kW

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