Off-Design Considerations through the Properties of Some Pressure-Ratio Line of Radial Inflow Turbines

Table 1

	TS1	TS2
D4 (mm)	141	47
N (rpm at design)	45 000	150 000
(𝐷5/𝐷4)^2	0.32	0.67
𝑆^∗3	0.038	0.074 to 0.52
𝑆^∗5	0.57	0.91