ANALYSIS OF FLOW MECHANISM IN 2-D COMPRESSOR CASCADE WITH SPLITTER

机译：分流二维压气机级联流动机理分析

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Through numeric simulation of flow in different turning angle cascades with different splitters, the flow mechanism in 2-D compressor cascade with splitter is particularly analyzed in this paper. The study result shows that the splitter can influence the flow field in cascade intensively; the positive attack angle on the splitter leading is an important cause that brings about cascade loss growth. If the splitter chord is short, the presence of splitter has little influence on the cascade inlet flow field, but has intense influence on the outlet flow field, by the modification of splitter, the pressure distribution of cascade can be greatly changed, the separation flow in the cascade can be restrained effectively, and the performance of splitter cascade can be effectively improved. On the condition of maintaining a high mass flux, the presence of splitter can greatly raise the loading of cascade.

机译：通过对带有不同分流器的不同转角叶栅中流动的数值模拟，重点分析了带有分流器的二维压缩机叶栅中的流动机理。研究结果表明，分流器对串级流场的影响较大。分离器引导的正攻角是导致级联损耗增长的重要原因。如果分流器弦短，则分流器的存在对叶栅入口流场影响很小，而对出口流场影响很大，通过分流器的改造，可以极大地改变叶栅的压力分布，分离流量可以有效地抑制级联中的串扰，并且可以有效地提高分离器级联的性能。在保持高通量的条件下，分流器的存在会大大增加级联的负荷。

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来源
《ASME Turbo Expo vol.6 pt.A; 20050606-09; Reno-Tahoe,NV(US)》|2005年|P.125-134|共10页
会议地点 Reno-TahoeNV(US)
作者
Li Haipeng; liu Houxing; Zou Zhengping;
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作者单位

National laboratory of Aircraft Engine, Beijing University of Aeronautics and Astronautics, Beijing, 100083, P. R. China;

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原文格式 PDF
正文语种 eng
中图分类气体透平（涡轮机）;
关键词
splitter; compressor cascade; flow field; 2-D;

机译：分流器压缩机级联流场二维;

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ANALYSIS OF FLOW MECHANISM IN 2-D COMPRESSOR CASCADE WITH SPLITTER

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