Compressed air at (p=20) atm enters a (20-mathrm{mm}) diameter tube at (T_{m, i}=20^{circ} mathrm{C}) and a mass
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Compressed air at \(p=20\) atm enters a \(20-\mathrm{mm}\) diameter tube at \(T_{m, i}=20^{\circ} \mathrm{C}\) and a mass flow rate of \(\dot{m}=6 \times 10^{-4} \mathrm{~kg} / \mathrm{s}\). The air is warmed by a constant surface heat flux so that its exit mean temperature is \(T_{m, o}=50^{\circ} \mathrm{C}\). Determine the required surface heat flux and the temperature of the tube wall at the tube exit for \(L=0.15,1.5\), and \(15 \mathrm{~m}\).
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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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