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Forum: CFX December 14, 2011, 19:16
Replies: 13
Views: 4,726
Posted By Chander
Yes that is also what I think. However, the...

Yes that is also what I think.
However, the case 2 that i mentioned in the first post in this thread does not show as much difference as the simple channel simulation. Dont know if mesh density can...
Forum: CFX December 14, 2011, 18:22
Replies: 13
Views: 4,726
Posted By Chander
But CFX Post should be able to give accurate...

But CFX Post should be able to give accurate values. The case above has a difference of nearly 10% from .out file which is too much.

Also, in the above case, I found that CFX post calculations...
Forum: CFX December 14, 2011, 05:02
Replies: 13
Views: 4,726
Posted By Chander
The above CFX-Post calculations were done in...

The above CFX-Post calculations were done in CFX/12.1.
I have repeated the calculations in CFX/13.0 and the result is same :

Mass Flow Integral of Static Enthalpy on Inlet

-180.934 [W]
...
Forum: CFX December 13, 2011, 16:54
Replies: 13
Views: 4,726
Posted By Chander
I calculated massFlowInt(Static enthalpy +...

I calculated massFlowInt(Static enthalpy + 0.5*Velocity*Velocity)@ inlet and outlet and it does not change the situation. This is because the kinetic energy contribution is of the order of 1e-5 W...
Forum: CFX December 13, 2011, 13:29
Replies: 13
Views: 4,726
Posted By Chander
The most critical issue here is the following: ...

The most critical issue here is the following:

Water is flowing through channel which is heated. The net heat flux to channel is 50 W. With a simple control volume analysis, the following balance...
Forum: CFX December 12, 2011, 21:02
Replies: 13
Views: 4,726
Posted By Chander
Thanks Glen for your reply. Please consider...

Thanks Glen for your reply.

Please consider the case of a very simple laminar flow simulation of flow of water through a channel heated from below. As per your suggestion, i reduced conservation...
Forum: CFX December 12, 2011, 15:16
Replies: 13
Views: 4,726
Posted By Chander
Mismatch between H-Energy and massFlowInt(Static Enthalpy)

Hi,

I am using CFX/12.1 and I have observed something which is of a bit of concern.

If I analyse results of my CFX case which is properly converged (to RMS residual of 1e-6 and conservation...
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