Experimental measurements of the convection heat transfer
Chapter , Problem 6.29(choose chapter or problem)
Experimental measurements of the convection heat transfer coefficient for a square bar in cross flow yielded the following values: h2 40 W/m2 K when V2 15 m/s h1 50 W/m2 K when V1 20 m/ Assume that the functional form of the Nusselt number is , where C, m, and n are constants. (a) What will be the convection heat transfer coefficient for a similar bar with L 1 m when V 15 m/s? (b) What will be the convection heat transfer coefficient for a similar bar with L 1 m when V 30 m/s? (c) Would your results be the same if the side of the bar, rather than its diagonal, were used as the characteristic length?
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