Question: Find the temperature gradient at point (a, b) at time t = (L 2 /a) ln e when the temperature field is given by where

Find the temperature gradient at point (a, b) at time t = (L2/a) ln e when the temperature field is given by

T = Toe-at/4L' sin * cosh: y a

where T0, a, a, and b are constants.

T = Toe-at/4L' sin * cosh: y a

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