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-   -   How to define a temperature-dependent specific heat in Fluent? (http://www.cfd-online.com/Forums/fluent/66816-how-define-temperature-dependent-specific-heat-fluent.html)

James July 24, 2009 17:11

How to define a temperature-dependent specific heat in Fluent?
 
Hi, Fluent users:

I want to use UDF to define temperature-dependent specific heat in Fluent. Which udf should I use? I thought of DIFINE_PROPERTY. But in the manual, it doesn't mention specific heat can be defined. Thank you for your help in advance!

James

poroshat July 11, 2013 13:30

Hi,
For defining specific heat you should use a different macro. It should be defined a Define_Specific_heat. You can find more details in the following pages:

http://www.sharcnet.ca/Software/Flue...udf/node51.htm
http://www.cfd-online.com/Forums/flu...ific-heat.html

Far July 11, 2013 14:37

Define a piecewise linear function for your range of temperatures and corresponding known cp values.


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