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Search: Posts Made By: kiwishall
Forum: CFX June 23, 2013, 11:50
Replies: 18
Views: 2,852
Posted By kiwishall
Okay! Thauk you for your help in the recent days!

Okay! Thauk you for your help in the recent days!
Forum: CFX June 21, 2013, 10:01
Replies: 18
Views: 2,852
Posted By kiwishall
I didn't use the real gas model for I get the...

I didn't use the real gas model for I get the details from the NIST REFPRO. And I define the material with values but not real gas model.
For the real gas model, is there any easy way to get the ...
Forum: CFX June 21, 2013, 09:27
Replies: 18
Views: 2,852
Posted By kiwishall
NO...Ethane is at state of liquid. That is why I...

NO...Ethane is at state of liquid. That is why I ask for help.
Forum: CFX June 21, 2013, 08:42
Replies: 18
Views: 2,852
Posted By kiwishall
Methane and ethane. T is about from 200K to 240K....

Methane and ethane. T is about from 200K to 240K. P is from 3MPa to 6MPa.
Forum: CFX June 21, 2013, 08:14
Replies: 18
Views: 2,852
Posted By kiwishall
I don't know. But when I mix the substance with...

I don't know. But when I mix the substance with rgp files, the solve suggests that Newtons method failed to converge in100 iterations. Even increase the number, the suggestions still occurs. Besides,...
Forum: CFX June 21, 2013, 06:07
Replies: 18
Views: 2,852
Posted By kiwishall
Is there any other mixture model except the ideal...

Is there any other mixture model except the ideal mixture model?
Forum: CFX June 20, 2013, 21:54
Replies: 18
Views: 2,852
Posted By kiwishall
I want to set it as a function of T by...

I want to set it as a function of T by expressions. And I have gotten a result which is obvious wrong. I don't know why. How do you define a mixture property? Regarding it as a pure substance or mix...
Forum: CFX June 20, 2013, 07:14
Replies: 18
Views: 2,852
Posted By kiwishall
I set the specific heat as the function of P and...

I set the specific heat as the function of P and T. But when I set the density as the function of P or both P and T, error occurs. So I want to know others how to set the properties of dynamic and...
Forum: CFX June 19, 2013, 21:35
Replies: 18
Views: 2,852
Posted By kiwishall
Thanks for your reply! I have read the help...

Thanks for your reply!
I have read the help documents. What I need is a material of which the properties vary with T and P,not only the density. The problem is that CFX doesn't work if everything is...
Forum: CFX June 19, 2013, 04:07
Replies: 18
Views: 2,852
Posted By kiwishall
How to set the properties of a real gas

I'd like to define a real gas. However I can't be sure how to set the property such as the density and the specific heat with the expressions. So for a real gas, I should set the density as a...
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