Air flows at 120C in a thin wall stainless steel tube with h 65 W m2 C The inside diameter of the tube is 2 5 cm and the wall thickness is 0 4 mm k 18 W m C for the steel The tube is exposed to an environment with h 6 5 W m2 C and T 15C Calculate the overall heat transfer coefficient and the heat l...

Air flows at 120C in a thin-wall stainless-steel tube with h = 65 W/m2 C. The

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Air flows at 120ºC in a thin-wall stainless-steel tube with h = 65 W/m2 · ºC. The inside diameter of the tube is 2.5 cm and the wall thickness is 0.4 mm. k = 18 W/m · ºC for the steel. The tube is exposed to an environment with h = 6.5 W/m2 · ºC and T∞ = 15ºC. Calculate the overall heat-transfer coefficient and the heat loss per meter of length. What thickness of an insulation having k = 40 mW/m · ºC should be added to reduce the heat loss by 90 percent?

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ISBN: 978-0073529363

10th edition

Authors: Jack Holman

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Question Posted: Apr 22, 2016 04:43 AM

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Air flows at 120C in a thin-wall stainless-steel tube with h = 65 W/m2 C. The

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Heat Transfer

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