Movie of Calculated Results (Quick Time)

　Transonic gas turbine cascade flow

Inlet flow angle -30゜

Instantaneous Mach number contours Mach-30.mov

Inlet flow angle　30゜

Instantaneous Mach number contours Mach30.mov

Unsteady 3-D transonic gas-turbine cascade flow

Instantaneous Mach number contours at 50% span turbine1.mov

Instantaneous Mach number contours at cross secions　　turbine2.mov

Instantaneous velocity vectors at cross secions　　　　　turbine3.mov

References

S.Yamamoto and H. Daiguji, Numerical Simulation of Unsteady Turbulent FLow through Transonic and Supersonic Cascades, Proc. 12th Int. Conf. on Numerical Methods in Fluid Dynamics,　Lecture Notes in Phys., 371, (1990-7), 485-489, Springer-Verlag.

T.Tanuma, S.Yamamoto, T.Ikeda, and H.Daiguji, Numerical Analysis and Steam-Tunnel Tests of Transonic Flows through a Steam Turbine Cascade, Trans. JSME, Series B, 58-555, (1992-11), 3330-3335(in Japanese).

S. Yamamoto and H. Daiguji, A Higher-Order Accurate Navier-Stokes Solver for Transonic and Supersonic Flows in Turbomachinery, AIAA Paper No.92-3044(1992-7).

T. Tanuma, S.Yamamoto, X.Yuan, and H.Daiguji, Navier-Stokes Analysis of Unsteady Transonic Flows through Turbine Cascades, Proc. of the Seventh Int. Symp. on Unsteady Aeronautics and Aeroelasticity of Turbomachines, Elsevier Science, 1994, pp. 691-707.

X.Yuan, S.Yamamoto, and H.Daiguji, Higher-Resolution Finite-Difference Schemes for Unsteady Transonic Cascade Flow, Trans. GTSJ, Vol.22, No.86, 1994, pp.29-35(in Japanese).

S.Yamamoto and H. Daiguji, Computation of Unsteady Transonic Cascade Flow Using the Euler and Navier-Stokes Equations of Contravariant Velocitites, JSME Int. J. Series B, Vol.37, No.3, 1994, pp.522-530.

X. Yuan, S. Yamamoto, and H.Daiguji, A Higher-Resolution Shock-Capturing Scheme for Simulating Unsteady Three-Dimensional Transonic Flows in Turbomachinery, 30th AIAA/ASME/SAE/ASEE Joint Propulsion Conference, AIAA Paper 94-3199, 1994.

S.Yamamoto, X. Yuan and H.Daiguji, A Higher-Order CFD Approach to Shock/Vortex Interaction and its Application to Turbomachinery, Proc. of 1995 Yokohama Int. Gas Turbine Congress, Vol.I, 1995, 27-34.

T.Tanuma, S.Yamamoto and H.Daiguji, Navier-Stokes Analysis of Unsteady Transonic Flows through Gas Turbine Cascades with Coolant Ejection, Proc. of 1995 Yokohama Int. Gas Turbine Congress, Vol.II, 1995, 25-32.

T. Tanuma, N. Shibukawa, and S. Yamamoto, Navier-Stokes Analysis of Unsteady Transonic Flows through Gas Turbine Cascades with and without Coolant Ejection, ASME Paper 97-GT-479, 1997.

Satoru YAMAMOTO, Shock-Vortex Capturing Method and it's Application to Unsteady 3-D Cascade Flow, Computational Fluid Dynamics JOURNAL, 8-2(1999), 341-349.