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Density Fluctuation

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Old   November 11, 2023, 12:21
Wink Density Fluctuation
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Niranjan
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.)Ansys Fluent Student version
.)Pressure inlet Pressure outlet boundary condition
.)Long 10cm channel with 130 micron diameter with 3 inlet and two outlet at each end. Inlet pressure of 1atm and outlet pressure of 0atm.
.)File 2- Pressure contour File 3-Density contour, File-4 Velocity contour & 5-Temperature.
.)Argon working fluid
.) Pressure based solver, K-Epsilon model,1000 Iterations
.) 3D simulation, The results have are on a xy plane cutting along the geometry

I don't know where I am going wrong. The pressure and velocity contour looks fine but density looks wrong.

I don't think its a problem of mesh because along the long channel the pressure decreases and drops to zero at the exit. the density alone is not correct. Both pressure based and density based solvers are giving the same result.
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Old   November 12, 2023, 23:47
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Alexander
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density is correct and shows constant values for the whole domain (same value everywhere)
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