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Forum: Main CFD Forum

May 25, 2012, 17:30

Replies: 3

Velocity profile disturbance due to loss coefficient

Views: 2,675

Posted By rks171

It seems to me that the problem is the way the...

It seems to me that the problem is the way the mass fluxes are defined at momentum cell faces. I use the upwind difference scheme. Thus the convection term:

d(rho*u*u)/dx

is expressed as,
...

Forum: Main CFD Forum

May 23, 2012, 12:24

Replies: 3

Velocity profile disturbance due to loss coefficient

Views: 2,675

Posted By rks171

I did some void sensitivity studies, adjusting...

I did some void sensitivity studies, adjusting vapor volume fraction from 0.1 to 0.9 in 0.1 increments. It seems my wall shear model may be causing some problems because the vapor phase is being...

Forum: Main CFD Forum

May 10, 2012, 15:37

Replies: 3

Velocity profile disturbance due to loss coefficient

Views: 2,675

Posted By rks171

Since a picture is worth a thousand words, I...

Since a picture is worth a thousand words, I plotted the liquid velocity profile (normalized) along the horizontal pipe length. The plot shows the momentum cell number on the x axis and the...

Forum: Main CFD Forum

May 4, 2012, 14:47

Replies: 3

Velocity profile disturbance due to loss coefficient

Views: 2,675

Posted By rks171

Velocity profile disturbance due to loss coefficient

I wrote a code that simulates a two-phase flow through a horizontal pipe. The boundary conditions are pressure at the outlet and mass flow at the inlet. My code uses the SIMPLE algorithm to couple...

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