Consider the flow of oil at 108C in a 40-cm-diameter pipeline at an average velocity of 0.5
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Consider the flow of oil at 108C in a 40-cm-diameter pipeline at an average velocity of 0.5 m/s. A 1500-m-long section of the pipeline passes through icy waters of a lake at 0°C. Measurements indicate that the surface temperature of the pipe is very nearly 0°C. Disregarding the thermal resistance of the pipe material, determine
(a) The temperature of the oil when the pipe leaves the lake,
(b) The rate of heat transfer from the oil,
(c) The pumping power required to overcome the pressure losses and to maintain the flow of oil in the pipe.
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Step by Step Answer:
a To determine the temperature of the oil when it leaves the lake we can use the principle of conservation of energy The heat transfer equation for st...View the full answer
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Related Book For 
Heat And Mass Transfer Fundamentals And Applications
ISBN: 9780073398181
5th Edition
Authors: Yunus Cengel, Afshin Ghajar
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