PASSIVE SEPARATION CONTROL ON A SYMMETRIC AIRFOIL VIA ELASTIC-LAYER

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HAFIEN C.; BOUREHLA A.; BOUZAIEN M.

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Paper Information

Journal: JOURNAL OF APPLIED FLUID MECHANICS (JAFM) Year:2016 | Volume:9 | Issue:5 Page(s): 2569-2580

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Information Journal Paper

Title

PASSIVE SEPARATION CONTROL ON A SYMMETRIC AIRFOIL VIA ELASTIC-LAYER

Author(s)

HAFIEN C. | BOUREHLA A. | BOUZAIEN M. | Issue Writer Certificate

Keywords

FLEXIBLE-FLAPS

YOUNG MODULUS

TWO-WAY FLUID-STRUCTURE INTERACTION (FSI)

DYNAMIC MESH

Abstract

The passive control of flow-separation at averaged Reynolds Number (Re=3.42×105) using self-adapting FLEXIBLE-FLAPS in the upper side of the wing, is presented. The two-way Fluid-Structure Interaction (FSI) in an elastic-layer up on the airfoil (NACA 0012) is investigated numerically by Coupling between the Transient Structural and Fluid Flow (Fluent) in ANSYS-Workbench14.0. During the fluid-structure interaction, the transient deformation of the elastic-layer provokes the modification of the flow topology at large-scale. There are reductions of the size and intensity of the vortex-shedding and an increase in the Strouhal number. This explains the increase of the lift-to-drag ratio. The study of the flap flexibility shows that the deformation of the elastic-layer and the variation of aeronautical efforts are inversely proportional to the YOUNG MODULUS.

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APA: Copy

HAFIEN, C., BOUREHLA, A., & BOUZAIEN, M.. (2016). PASSIVE SEPARATION CONTROL ON A SYMMETRIC AIRFOIL VIA ELASTIC-LAYER. JOURNAL OF APPLIED FLUID MECHANICS (JAFM), 9(5), 2569-2580. SID. https://sid.ir/paper/307798/en

Vancouver: Copy

HAFIEN C., BOUREHLA A., BOUZAIEN M.. PASSIVE SEPARATION CONTROL ON A SYMMETRIC AIRFOIL VIA ELASTIC-LAYER. JOURNAL OF APPLIED FLUID MECHANICS (JAFM)[Internet]. 2016;9(5):2569-2580. Available from: https://sid.ir/paper/307798/en

IEEE: Copy

C. HAFIEN, A. BOUREHLA, and M. BOUZAIEN, “PASSIVE SEPARATION CONTROL ON A SYMMETRIC AIRFOIL VIA ELASTIC-LAYER,” JOURNAL OF APPLIED FLUID MECHANICS (JAFM), vol. 9, no. 5, pp. 2569–2580, 2016, [Online]. Available: https://sid.ir/paper/307798/en

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