Based on the mechanism of secondary flow formation and development in a turbine cascade, SINE function and polynomial function were applied to develop a non-axisymmetric endwall profiling method.

• 摘要根据叶栅内部二次流形成和发展的机理，应用正弦函数和多项式函数建立了一种叶栅非轴对称端壁成型方法。