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

Table 5

Excitation force factor.

Excitation force direction	Excitation force parameters	First order	Second order
Axial direction	High frequency excitation force factor	0.336	0.014
Tangential direction	High frequency excitation force factor	0.151	0.007