value for dynamic diffusivity -- CFD Online Discussion Forums

December 29, 2008, 14:14	value for dynamic diffusivity	#1
soup Guest Posts: n/a	Hi everyone, In Field's char oxidation,it is said in the manual that Dref is the dynamic diffusivity (recommended value is 1.8e-5 [kg m^-1 s^-1])... Can you tell me how this value is got? Is it a constant? Thanks & Regards, Soup

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