Find the average heat transfer coefficient

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Reference no: EM131282312

Atmospheric air at a velocity of 61 m/s and a temperature of 16°C enters a 0.61-m-long square metal duct of 20-cm x 20-cm cross section. If the duct wall is at 149°C, determine the average heat transfer coefficient. Comment briefly on the L_D/h effect.

Reference no: EM131282312

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Find the average heat transfer coefficient : Atmospheric air at a velocity of 61 m/s and a temperature of 16°C enters a 0.61-m-long square metal duct of 20-cm x 20-cm cross section. If the duct wall is at 149°C, determine the average heat transfer coefficient. Comment briefly on the LD/h eff..

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