An oil preheater consists of a single tube of (10-mathrm{mm}) diameter and 5-m length, with its surface
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An oil preheater consists of a single tube of \(10-\mathrm{mm}\) diameter and 5-m length, with its surface maintained at \(180^{\circ} \mathrm{C}\) by swirling combustion gases. The engine oil (new) enters at \(70^{\circ} \mathrm{C}\). What flow rate must be supplied to maintain an oil outlet temperature of \(105^{\circ} \mathrm{C}\) ? What is the corresponding heat transfer rate?
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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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