针对高压比的斜流压气机设计过于依靠叶轮的性能,容易出现较为严重的扩压器与叶轮的匹配问题,改进了斜流压气机的叶轮扩压器匹配设计方法.把叶轮及叶轮出口的无叶扩压器段作为一个整体,将单一的叶轮出口设计扩展为叶轮出口加出口无叶掺混段设计,将掺混过程用一个连续的过程描述,来提高一维设计方法的匹配设计能力.用该方法完成某单级斜流压气机的气动设计,级性能满足设计要求,表明改进后的匹配设计方法可用于高压比的斜流压气机设计.
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