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The Investigation of Active Control Technology in Airfoil Flow Field Based on the Synthetic Jet

Pingjian Chen

Open publisher page 1 citations

Abstract

The rotor airfoil often works on the large angle of attack,so the flow separation is very usual.By using the synthetic jet on the airfoil,the separation can be controlled to gain the enhanced lift and the delayed stall angle.In this paper,the control mechanism of the synthetic jet is studied by using numerical simulation method.Then the key control parameter study is also carried out to show the effects of jet angle,momentum coefficient and jet frequency.

About this research paper

What this paper is about

The rotor airfoil often works on the large angle of attack,so the flow separation is very usual.By using the synthetic jet on the airfoil,the separation can be controlled to gain the enhanced lift and the delayed stall angle.In this paper,the control mechanism of the synthetic jet is studied by using numerical simulation method.Then the key control parameter study is also carried out to show the effects of jet angle,momentum coefficient and jet frequency.

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Available abstract

The rotor airfoil often works on the large angle of attack,so the flow separation is very usual.By using the synthetic jet on the airfoil,the separation can be controlled to gain the enhanced lift and the delayed stall angle.In this paper,the control mechanism of the synthetic jet is studied by using numerical simulation method.Then the key control parameter study is also carried out to show the effects of jet angle,momentum coefficient and jet frequency.

Key concepts: Airfoil, Synthetic jet, Stall (fluid mechanics), Angle of attack, Jet (fluid), Flow control (data), Lift (data mining), Mechanics

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