Water enters a 5-mm-diameter and 13-m-long tube at 15C with a velocity of 0.3 m/s, and leaves
Question:
Water enters a 5-mm-diameter and 13-m-long tube at 15°C with a velocity of 0.3 m/s, and leaves at 45°C. The tube is subjected to a uniform heat flux of 2000 W/m2 on its surface. The temperature of the tube surface at the exit is
(a) 48.78C
(b) 49.48C
(c) 51.18C
(d) 53.78C
(e) 55.28C
(For water, use k = 0.615 W/m · K, Pr = 5.42, v = 0.801 × 10-6 m2/s.)
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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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