A long bar of rectangular cross section, (0.2 mathrm{~m} times 0.3mathrm{~m}) on a side and having a

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A long bar of rectangular cross section, \(0.2 \mathrm{~m} \times 0.3\mathrm{~m}\) on a side and having a thermal conductivity of \(15 \mathrm{~W} / \mathrm{m} \cdot \mathrm{K}\), is subjected to the boundary conditions shown.

image text in transcribedTwo of the sides are maintained at a uniform temperature of \(200^{\circ} \mathrm{C}\). One of the sides is adiabatic, and the remaining side is subjected to a convection process with \(T_{\infty}=30^{\circ} \mathrm{C}\) and \(h=60 \mathrm{~W} / \mathrm{m}^{2} \cdot \mathrm{K}\). Using an appropriate numerical technique with a grid spacing of \(0.05 \mathrm{~m}\), determine the temperature distribution in the bar and the heat transfer rate between the bar and the fluid per unit length of the bar.

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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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