Design Method for Channel Diffusers of Centrifugal Compressors

Table 2

Boundary conditions and models, specified in ANSYS CFX preprocessor.

Boundary or model	Option
Impeller inlet	Total pressure, total temperature
Diffuser outlet	Mass flow rate
Interface type between impeller and diffuser	Stage
Turbulence model	SST
Heat transfer model	Total energy
Fluid model	Air ideal gas
Wall heat transfer model	Adiabatic