Dry air at (32^{circ} mathrm{C}) flows over a wetted (water) plate of (0.25 mathrm{~m}^{2}) area. The average

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Dry air at \(32^{\circ} \mathrm{C}\) flows over a wetted (water) plate of \(0.25 \mathrm{~m}^{2}\) area. The average convection coefficient is \(\bar{h}=22 \mathrm{~W} / \mathrm{m}^{2} \cdot \mathrm{K}\), and the heater power required to maintain the plate at a temperature of \(27^{\circ} \mathrm{C}\) is \(498 \mathrm{~W}\). Estimate the power required to maintain the wetted plate at a temperature of \(42^{\circ} \mathrm{C}\) in dry air at \(32^{\circ} \mathrm{C}\) if the convection coefficients remain unchanged.

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Fundamentals Of Heat And Mass Transfer

ISBN: 9781119220442

8th Edition

Authors: Theodore L. Bergman, Adrienne S. Lavine

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