Hi

I am doing a academic project on validation of Centrifugal blower CFD analysis with the experimental data. Here my objective is to match the performance curve (**Static pressure versus Volume flow rate**) obtained from CFD analysis with that of experimental data.

I am using **CFX** solver, **steady state** analysis and **SST** turbulence model, with pressure inlet (Total pressure) and pressure outlet (Average static pressure) condition and as my interest here is to obtain the volume flow rate.

I have run simulations at different outlet average static pressure conditions, and observed that the CFD is under-predicting the flow at the higher static pressures. The difference between the experimental and CFD performance curve is around **20%.**

How can i reduce this gap?

Would you suggest me to go with a different solver as well as a different Turbulence model?

Thanks

Prathik