The average Reynolds number for air passing in turbulent flow over a 2 m ?? long flat

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The average Reynolds number for air passing in turbulent flow over a 2 m ?? long flat plate is 2.4 × 106. Under these conditions, the average Nusselt number was found to be equal to 4150. Determine the average heat transfer coefficient for an oil having thermal properties similar to those of Table A-17 at 30?C at the same Reynolds number in flow over the same plate.GIVENTurbulent flow of air over a flat plateAverage Reynolds number (ReL) = 2.4 × 106Plate length (L) = 2 mAverage Nusselt number (Nu) = 4150ASSUMPTIONSSteady stateFully developed turbulent flowTransition from laminar to turbulent flow occurs at Rex = 5 ×105

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Principles of heat transfer

ISBN: 978-0495667704

7th Edition

Authors: Frank Kreith, Raj M. Manglik, Mark S. Bohn

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