A copper cylinder with a diameter of 3 in is initially at a uniform temperature of 70
Question:
A copper cylinder with a diameter of 3 in is initially at a uniform temperature of 70 F. How long after being placed in a medium at 1000 F with an associated convective heat-transfer coefficient of 4 Btu/h ft2 F will the temperature at the center of the cylinder reach 500 F, if the height of the cylinder is
(a) 3 in?
(b) 6 in?
(c) 12 in?
(d) 24 in?
(e) 5 ft?
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a Q hAT1T2 Q 43370500 Q 1080 t QhA t 1080433 t 45 minutes Therefore the tem...View the full answer
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Related Book For 
Fundamentals Of Momentum Heat And Mass Transfer
ISBN: 9781119723547
7th Edition
Authors: James Welty, Gregory L. Rorrer, David G. Foster
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