Validation of the Axial Thrust Estimation Method for Radial Turbomachines

Table 9

Parameters required for the hybrid method.

Centrifugal compressor/pump				Radial inflow turbine
Pressure at the impeller inlet		Pa		Pressure at the rotor inlet
Temperature at the impeller inlet		K		Temperature at the rotor inlet
Pressure at the impeller outlet		Pa		Pressure at the rotor outlet
Temperature at the impeller outlet		K		Temperature at the rotor outlet
Ambient pressure		Pa		Ambient pressure
Impeller inlet hub radius		m		Rotor outlet hub radius
Impeller inlet shroud radius		m		Rotor outlet shroud radius
Impeller outlet radius		m		Rotor inlet radius
Labyrinth seal (outer) radius		m		Labyrinth seal (outer) radius
Shaft radius		m		Shaft radius
Mass flow rate		kg/s		Mass flow rate
Rotational speed		rpm		Rotational speed
Fraction, shroud and back disk		0.5		Fraction, shroud and back disk