Engineering, 11.07.2019 03:10 celayaluis00
Ahot oil at 150°c is flowing through a tube of inner radius 20 mm made of a steel alloy of thickness 2 mm and the outer surface of the tube is exposed to ambient air at 30 ° c. the he k - 14 w/m. k) at transfer coeff icient between the inner surface of tube and oil is 1000 w/m2 k and that between the outer surface of tube and ambient air is 10 w/m'.k. the rate of heat transfer per unit length is close to:
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Ahot oil at 150°c is flowing through a tube of inner radius 20 mm made of a steel alloy of thickness...
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