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축류터빈 블레이드의 공력학적 설계를 위한 Navier-Stokes방정식의 적용
정희택(H.T. Chung),정기섭(K.S. Chung),박준영(J.Y. Park),백제현(J.H. Baek),장범익(B.I. Chang),조수용(S.Y. Cho) 한국전산유체공학회 2003 한국전산유체공학회지 Vol.8 No.4
The design method for transonic turbine blades has been developed based on Navier-Stokes equations. The present computing process is done on the four separate steps, I. e., determination of the blade profile, generation of the computational grids, cascade flow simulation and analysis of the computed results in the sense of the aerodynamic performance. The blade shapes are designed using the cubic polynomials under the control of the design parameters. Numerical methods for the flow equations are based on Van-Leer’s FVS with an upwind TVD scheme on the finite volume. In the present study, numerical simulation has been done to investigate the effects of the design parameters on the aerodynamic performance of the axial-flow turbine blades Applications are made to the VKI transonic rotor blades. Computed results are analyzed with respect to four parameters and compared with the experimental data.