A horizontal, 25-mm diameter cylinder is maintained at a uniform surface temperature of 35C. A fluid with

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A horizontal, 25-mm diameter cylinder is maintained at a uniform surface temperature of 35°C. A fluid with a velocity of 0.05 m/s and temperature of 20°C is in cross flow over the cylinder. Determine whether heat transfer by free convection will be significant for 

(i) Air, 

(ii) Water, 

(iii) Engine oil, and
(iv) Mercury.

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Fundamentals Of Heat And Mass Transfer

ISBN: 9780470501979

7th Edition

Authors: Theodore L. Bergman, Adrienne S. Lavine, Frank P. Incropera, David P. DeWitt

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