Numerical Investigation of Velocity Flow Field inside an Impeller Air Model of a Centrifugal Pump with Vaned Diffuser Interactions and Comparison with PIV Measurements

Table 3

Computation details.

Inlet section of entry duct	Specified mass flow rate
Outlet section of diffuser	Constant zero pressure [Referred to atmospheric pressure]
Walls	Smooth and no slip
Fluid	Constant property air at 25^∘C
Turbulence model	k-ω-based SST
Maximum number of iterations	100
Convergence criteria	Mass residues less than 5×10^−5Momentum residues less than 5×10^−4