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ACTA AERONAUTICAET ASTRONAUTICA SINICA ›› 1993, Vol. 14 ›› Issue (10): 532-535.
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Zhou Zheng-gui1, Wu Guo-chuan1, Guo Bing-heng Zhang Ai-bao1, Tang Yu-chun2
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Abstract: The tandem cascade can perform at relative large flow turning angle, but not at the cost of any loss increase. Therefore, it is suitable to use it for the last stage stator of the axial compressor or fan of the airplane engine, where flow turning angle is generally large. The WZ8A compressor is composed of one stage axial and one stage centrifugal compressor. The tandem blades are set on the axial compressor stator. To explore the flow characteristics of the blades, two plane tandem-cascades are constructed; one is of the tip section, and the other is of midspan section. By experiments, the correlations of flow turning angle and total pressure loss coefficient with attack angle and the distribution of blade surface pressure, at high subsonic speed and low speed respectively, are also obtained.
Key words: tandem cascade, total pressure loss coefficient, 11ow turning angle
Zhou Zheng-gui;Wu Guo-chuan;Guo Bing-heng Zhang Ai-bao;Tang Yu-chun. THE PERFORMANCE OF WZ8A-AXIAL COMPRESSOR STATOR CASCADE[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 1993, 14(10): 532-535.
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