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随着高性能叶轮机的不断发展,叶轮机流动固有的非定常属性越来越强烈以致不容忽略,且计算流体力学和计算机技术的飞速发展以及对定常,非定常流动现象认识的不断丰富,使得更全面考虑非定常影响成为可能.本文以缘线匹配产生的学科发展内在背景为导引,从气动、气弹/振动、涡轮热环境管理、转静噪音控制四个非定常设计方面论述了缘线匹配技术在其中的主导作用.

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