Numerical Investigation of the Effects of Bowed Compressor Stator Vanes on Variable Incidence Performance at Low Speed
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Numerical Investigation of the Effects of Bowed Compressor Stator Vanes on Variable Incidence Performance at Low Speed
Vol. 21, Issue 2, (2006)
作者机构:
哈尔滨工业大学能源科学与工程学院,黑龙江,哈尔滨,150001
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Published:2006
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ZHANG Yong-jun, CHEN Fu, FENG Guo-tai, et al. Numerical Investigation of the Effects of Bowed Compressor Stator Vanes on Variable Incidence Performance at Low Speed[J]. 2006, 21(2).
DOI:
ZHANG Yong-jun, CHEN Fu, FENG Guo-tai, et al. Numerical Investigation of the Effects of Bowed Compressor Stator Vanes on Variable Incidence Performance at Low Speed[J]. 2006, 21(2).DOI:
Numerical Investigation of the Effects of Bowed Compressor Stator Vanes on Variable Incidence Performance at Low Speed
The effects of the compressor bowed stator vanes on variable incidence characteristics were studied with the method of CFD.It was found that bowed vane had strong impact on flow field under positive incidence.Due to the decrease of diffusion factor near the end-wall and the augmentation of density mass flow close to the suction surface
the bowed blade eliminates or defers the separation formation near suction surface under high positive incidence and weakens the expanding of the separation region.There fore
bowed blade is able to enlarge the operation range of the stator vane.The results show the bowed blade with bow angle of 20° has maximal operation range with critical incidence of 16°.