Gradient of porosity -- CFD Online Discussion Forums

October 30, 2007, 00:57	Gradient of porosity	#1
Babar Guest Posts: n/a	I have a packed bed with radial and axial variations in the porosity. I need the porosity gradient [d(epsilon)/dz] but couldn't find a function for it as there is for pressure gradient eg. (C_P_G(c,thread_l)[0]) Is there a way to do it apart from the first principle?

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