Thermodynamics HW Solutions 222

Thermodynamics HW Solutions 222 - Chapter 15 Steady Heat...

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Chapter 15 Steady Heat Conduction 3-91 A spherical ball is covered with 1-mm thick plastic insulation. It is to be determined if the plastic insulation on the ball will increase or decrease heat transfer from it. Assumptions 1 Heat transfer from the ball is steady since there is no indication of any change with time. 2 Heat transfer is one-dimensional since there is thermal symmetry about the midpoint. 3 Thermal properties are constant. 4 The thermal contact resistance at the interface is negligible.
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This note was uploaded on 01/14/2012 for the course PHY 4803 taught by Professor Dr.danielarenas during the Fall '10 term at UNF.

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