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Problem in reverse flow

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Old   October 30, 2015, 16:49
Default Problem in reverse flow
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Aja
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Hi,

I used K-e RNG turbulence model with scalable wall function for simulating an axial turbine. Flow is formed in this case rapidly. but when I use K-e Relizable turbulence model with non-equilibrium wall function, there is reverse flow. Why?

Y+ is equal to 15 and Re=2.4* 10^5. Also, height of first cell is equal to 0.000129

Thanks.

Best.

Aja
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