1Ch1_1to1_2

1Ch1_1to1_2 - Heat Transfer Physical Origins and Rate...

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Heat Transfer: Heat Transfer: Physical Origins and Rate Equations Physical Origins and Rate Equations Chapter One Chapter One Sections 1.1 and 1.2 Sections 1.1 and 1.2
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Heat Transfer and Thermal Energy What is heat transfer ? Heat transfer is thermal energy in transit due to a temperature difference. A Non-equilibrium process (from one state to another) ( Thermodynamics deals with the end states or most equilibrium cases) What is thermal energy ? Thermal energy is associated with the translation, rotation, vibration and electronic states of the atoms and molecules that comprise matter. It represents the cumulative effect of microscopic activities and is directly linked to the Temperature of matter.
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Heat Transfer and Thermal Energy (cont.) Units Symbol Meaning Quantity Energy associated with microscopic behavior of matter Thermal Energy + A means of indirectly assessing the amount of thermal energy stored in matter Temperature Thermal energy transport due to temperature gradients Heat Transfer
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This note was uploaded on 05/07/2010 for the course ME 109 taught by Professor Greif during the Spring '08 term at Berkeley.

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1Ch1_1to1_2 - Heat Transfer Physical Origins and Rate...

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