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Pressure-Strain Correlation/turbulent transportation |
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August 18, 1998, 11:56 |
Pressure-Strain Correlation/turbulent transportation
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In the Reynolds stress equation, the turbulent transportation can be taught of as the sum of molecular diffusion, turbulent transportation and pressure diffusion of the Reynolds stress, which in analogue to specific turbulent kinetic energy equation and dissipation equation. So why isn't this term in the equation modelled in the same manner, using the gradient-diffusion hypothesises for the turbulent Stresses
i.e. (the sum of a eddy viscoity + molecular viscoity) by (gradient of the Reynold Stress) ?. Also could anyone, give me a physical description of the the pressure strain correlation term?. Thanks in advance Oliver |
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