Analyses of the Design of Multirows Vaneless Staggered Counter-Rotating Turbine

Table 1

Staggered counter-rotating model turbine performance requirements.

	HPT	LPT
Inlet total pressure/MPa	0.5
Inlet total temperature/K	400
Speed/RPM	20124	13111
Mass flow/kg/s	3.72	3.72
Work/kW	>280	>180
Total-total adiabatic efficiency	0.9	0.9
Outlet flow angle/deg	<25