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Voyage_gui September 16, 2011 12:18

Cp function of density ?
Hi Everyone,

I was wondering if there is a dependance of the Cp to the density. If for example you have same pb with 2 different densities, will it change the result of the Cp ?

Thanks a lot


A.D.E September 20, 2011 06:05

Dear Guillaume

The pressure Coefficient is defined as: Cp = (P-Pinf)/(0.5.\rho.U^{2}inf)

Therefore is inversely proportional to the density.



Voyage_gui September 20, 2011 06:17

Thanks A.D.E. But Pressure is also function of rho from NS but not linearly because of the viscous term. So at the end , what s the influence of density on the Cp ?


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