Question: Given the cylinder in Problem 18.15, construct a plot of the time for the midpoint temperature to reach 530 K as a function of H/D,

Given the cylinder in Problem 18.15, construct a plot of the time for the midpoint temperature to reach 530 K as a function of H/D, where H and D are the height and diameter of the cylinder, respectively.

Data From Problem 18.15

For an asbestos cylinder with both height and diameter of 13 cm initially at a uniform temperature of 295 K placed in a medium at 810 K with an associated convective heat-transfer coefficient of 22.8 W/m² · K, determine the time required for the center of the cylinder to reach 530 K if end effects are neglected.

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Same cycle as in Prob 1815 but H varies As HD t 3114 s 519 mi... View full answer

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