Learning Forum

[aminhgn]

Hello,

 

I am trying to use UDF to define my properties. The problem is 2 phase flow (Liquid Desiccant-humid air). Since both flows are the mixture, I want to use define properties for the liquid desiccant flow but by define_properties loops over all cells. I want to loop over only liquid desiccant solution. for example for calling species which C_YI (c,t,0), I want to apply on liquid desiccant phase.

 

Thank you,

Amin

[Amine Ben Hadj Ali]

You require the proper cell thread phase corresponding to the phase containing the component you want to specify. Check the customization manual for more info.

[aminhgn]

Thank you for your kindly reply. My problem has been solved. I only have one more problem, I want to use DEFINE_SPECIFIC_HEAT to define my cp based on concentration and temperature. this function is :

DEFINE_SPECIFIC_HEAT( name, T, Tref, h, yi)

which i can use T instead of C_T function but what about C_YI which is concentration? How can I get my concentration in my function?

 

Regards,

Amin

[Amine Ben Hadj Ali]

the mass fraction are contained in the pointer array yi passed to the macro.