Computational Fluid Dynamics Modeling Three-Dimensional Unsteady Turbulent Flow and Excitation Force in Partial Admission Air Turbine

Table 4

Isentropic efficiency of turbine.

Admission	Time-average unsteady isentropic efficiency/%	Unsteady isentropic efficiency/%	Offset/%
0.25	70.45	75.63	5.18
0.5	74.18	78.90	4.66
0.75	81.18	82.73	1.55
1.0	84.09	85.13	1.04