Determine the heat transfer coefficient and the amount of

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Reference no: EM13630233

An experiment is to be conducted to determine heat transfer coefficient on the surfaces of tomatoes that are placed in cold water at 7degreeC. The tomatoes (k= 0.59 W/mK.a = 0.141 times 10-6 m2/s, rho = 999 kg/m3, cp = 3.99 kJ/kg K) with an initial uniform temperature of 30degreeC are spherical in shape with a diameter of 8 cm. After a period of 2 hours, the temperatures at the center and the surface of the tomatoes are measured to be 10.0degreeC and 7.1degreeC, respectively. Using analytical one-term approximation method (not the Heisler charts), determine the heat transfer coefficient and the amount of heat transfer during this period if there are eight such tomatoes in water.

Reference no: EM13630233

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