Study on Flow Separation Control by Vortex Generator Jets with Different Parameters

Yong Hui Xie; Zhong Yang Shen; Tao Fan

doi:10.4028/www.scientific.net/AMR.588-589.1786

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 588-589Study on Flow Separation Control by Vortex...

Study on Flow Separation Control by Vortex Generator Jets with Different Parameters

Abstract:

In order to investigate the mechanism of flow separation control in conical diffuser by vortex generator jets (VGJs) method, numerical simulations were conducted to discuss the effect of VGJs with different parameters on flow control. The aerodynamic performance in conical diffuser with angle of 14° was tested and analyzed based on Shear-Stress-Transport (SST) simulation. The flow charts at several sections were analyzed, illuminating the formation of complex vortices. Moreover, the effects of 5 VGJs parameters on the diffuser were analyzed by orthogonal analysis. It was shown that the number of jets and the pitch angle of jet showed more profound influence on the flow control by VGJs.

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Periodical:

Advanced Materials Research (Volumes 588-589)

Pages:

1786-1789

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.588-589.1786

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Online since:

November 2012

Authors:

Yong Hui Xie, Zhong Yang Shen, Tao Fan

Keywords:

Diffuser, Flow Control, Orthogonal Analysis, Vortex Generator Jets

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