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Old   June 2, 2009, 05:32
Question UDF DPM drag
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I'm currently writing my first UDF but am a bit stuck

I need to call the properties of the gas in which the inert particle resides in order to write the equation for drag, such as temperature, Cp, T etc. I'm currently using the Macro DEFINE_DPM_DRAG(particle_drag_force, Re, p). However, the arguments in this macro only relate to the particle. How and where do I define the gas phase properties in the code?

Any help would be great.

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