A Numerical Study of the Airfoil Aerodynamic Characteristics with Porous Surface

Xiao Jun Xiang; Jun Li Yang

doi:10.4028/www.scientific.net/AMR.978.123

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 978A Numerical Study of the Airfoil Aerodynamic...

A Numerical Study of the Airfoil Aerodynamic Characteristics with Porous Surface

Abstract:

Numerical simulations have been done to investigate the effect of passive flow control on the flow separation and the strength of the shock wave of the NACA0012 airfoil with two types of the porous surface. It has also been discussed that which region the porous surface applied to will make better effect on the flow control. The results show that the B type of the porous surface, which has empty bottom, has effective control on the flow separation if applied to the region near behind the separation point, while the A type of the porous surface is useless. And both A and B porous surface have effect on the decreasing of the strength of the normal shock wave strength when the porosities have been applied to the region across the shock wave. And compared with A type porous surface, the effect of the control is better if B type porous surface is applied. The result has been concluded that the aerodynamic characteristics of the airfoil can be improved with B type of the porous surface. And the B type is worth to be used.

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Periodical:

Advanced Materials Research (Volume 978)

Pages:

123-130

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.978.123

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Online since:

June 2014

Authors:

Xiao Jun Xiang*, Jun Li Yang

Keywords:

Flow Separation, NACA0012, Porous Surface, Shock Wave

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