A 120mm diameter apple p = 990kg/m³, c, = 4170J/kg° C, k = 0.58w/m°C), approximately spherical in shape is taken from a 25°C environment and placed in a refrigerator where temperature is 6°C and the average convective heat transfer coefficient over the apple surface is 12.8w/m²°C. Determine the temperature at the center of the apple after a period of 2 hours.

A 120mm diameter apple p = 990kg/m³, c, = 4170J/kg° C, k = 0.58w/m°C), approximately spherical in shape is taken from a 25°C environment and placed in a refrigerator where temperature is 6°C and the average convective heat transfer coefficient over the apple surface is 12.8w/m²°C. Determine the temperature at the center of the apple after a period of 2 hours.

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter9: Heat Transfer With Phase Change

Section: Chapter Questions

Problem 9.4DP

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