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(Solved): 4-79 White potatoes and \alpha =0.13\times 10^(-6)(m^(2))/(s) ) that are initially at a uniform te ...
4-79 White potatoes and
\alpha =0.13\times
10^(-6)(m^(2))/(s)) that are initially at a uniform temperature of
25\deg Cand have an average diameter of 6 cm are to be cooled by refrigerated air at
2\deg Cflowing at a velocity of
4(m)/(s). The average heat transfer coefficient between the potatoes and the air is experimentally determined to be
19(W)/(m^(2))*K. Determine how long it will take for the center temperature of the potatoes to drop to
6\deg C. Also, determine if any part of the potatoes will experience chilling injury during this process.
