The spatial relation between the trailing edge of one blade and the leading edge of sequent blade is taken into account in improving turbomachinery performance.

• 以一单级跨声轴流压气机和一单级轴流透平为例,尝试用基元流动展向积分方法和全优化方法改善其性能,从而示例应用缘线匹配的具体方法及前景。