Pressure & Temperature dependent EOS

hennas · July 25, 2010, 15:07

Does anyone whether it is possible to create or link a pressure and temperature dependent equation of state, i.e. p=f(rho,T) in fluent? I am trying to model a multiphase cryogenic flow so both temperature and pressure have a large enough effect that they must be considered. Most of the documentation I have read so far talks about defining density as a function of either temperature or pressure...
Thanks

ndabir · October 31, 2011, 18:55

Hi,

have you solved your problem? Because I have the same problem. I need to implement an EOS of water that p=p(rho,t).

Do you know how is it possible? Can I set a table of these parameters in fluent or i should write a UDF.

July 25, 2010, 15:07	Pressure & Temperature dependent EOS	#1
hennas New Member henry clarke Join Date: May 2009 Posts: 7 Rep Power: 17	Does anyone whether it is possible to create or link a pressure and temperature dependent equation of state, i.e. p=f(rho,T) in fluent? I am trying to model a multiphase cryogenic flow so both temperature and pressure have a large enough effect that they must be considered. Most of the documentation I have read so far talks about defining density as a function of either temperature or pressure... Thanks

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October 31, 2011, 18:55		#2
ndabir Senior Member navid Join Date: Jan 2010 Posts: 110 Rep Power: 16	Hi, have you solved your problem? Because I have the same problem. I need to implement an EOS of water that p=p(rho,t). Do you know how is it possible? Can I set a table of these parameters in fluent or i should write a UDF.