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Solution not converged for supercritical annular flow

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Old   November 14, 2014, 03:29
Default Solution not converged for supercritical annular flow
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Kiran Saikia
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Hi,
I am trying to simulate heat transfer to supercritical pressure water flowing through an annulus with inner wall heated and outer wall adiabatic, using ANSYS FLUENT 14. I am using realizable k-e turbulence model with enhanced wall treatment and SIMPLEC algorithm for pressure velocity coupling. The flow condition is as follows:
mass flux at inlet: 2200 kg/m2.sec
heat flux at inner wall: 2410 kw/m2
operating pressure: 23.5 MPa
inner dia 8mm, outer dia. 10 mm

I am able to run the simulation but it is not getting conversed. The continuity is not conversed.
Can anyone please help me to solve this problem???
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annular flow, fluent 14.0, supercritical water

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