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air compressibility

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Old   September 30, 2014, 06:02
Default air compressibility
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I am modeling a jet array impingement system for turbulent compressible ideal gas. i want to know what is the influence of the air compressibility on heat transfer for such a model.
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Old   September 30, 2014, 06:17
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Originally Posted by wannassi View Post
I am modeling a jet array impingement system for turbulent compressible ideal gas. i want to know what is the influence of the air compressibility on heat transfer for such a model.

the measure of volume exansion/contraction is related to Div V such term producing volume work due to p*(Div V ). You find such term in the kinetic and internal energy equations
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