do permeability and inertia loss coefficients values depend on working fluid? -- CFD Online Discussion Forums

October 7, 2016, 09:56	do permeability and inertia loss coefficients values depend on working fluid?	#1
sh.a.ghafour New Member shreehan Abd El-Ghafour Join Date: Apr 2015 Posts: 12 Rep Power: 11	Dear colleagues, i work on the simulation of Stirling regenerator as a porous media. i have correlations for Cf vs. Re and Nu vs. Re for a specific regenerator with Hydrogen as a working fluid and with these correlations i can calculate permeability and inertia loss coefficient (the inputs for porous media model). can i use these coefficients for the same regenerator but with Helium as the working fluid and under different Temperatures ????? Also can i use the same correlation for Nu into heat transfer coefficients calculation for the second case?

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