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Numerical Study for Active Flow Control Using Dielectric Barrier Discharge Actuators

机译：介质阻挡放电致动器主动流控制的数值研究

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摘要

This paper presents a numerical investigation of active aerodynamic flow control on an airfoil by dielectric barrier discharge plasma actuators. Simplified Maxwell equations for an electric field coupled with Navier-Stokes equations and turbulence models for fluid are implemented to simulate the wall jet flow induced by the body force attributable to the dielectric barrier discharge plasma actuators. The numerical model is validated with the laboratory results in the quiescent flow. The simulated maximum velocity in the quiescent environment is proportional to the applied voltage. The dielectric barrier discharge plasma actuators are also demonstrated to significantly influence the velocity profiles. The numerical model is applied to an airfoil with Reynolds number equal to 106, and the peak-to-peak voltage varies from 5 to 18 kV. The flow separation is delayed or removed to some extent by dielectric barrier discharge plasma at high angles of attack. The dielectric barrier discharge increases the lift coefficient, reduces the drag coefficient, and finally improves the performance of the airfoil. (C) 2017 American Society of Civil Engineers.
机译：本文介绍了通过电介质阻挡层放电等离子体致动器对翼型进行主动气动流动控制的数值研究。实现了电场的简化Maxwell方程，Navier-Stokes方程以及流体的湍流模型，以模拟由归因于电介质势垒放电等离子体致动器的体力引起的壁面射流。数值模型通过静态流动的实验室结果进行了验证。静态环境中模拟的最大速度与施加的电压成比例。还证明了介电势垒放电等离子体致动器会显着影响速度曲线。数值模型应用于雷诺数等于106的机翼，峰峰电压在5 kV至18 kV之间变化。在高攻角下，介电势垒放电等离子体会在某种程度上延迟或消除流动分离。介电势垒放电增加了升力系数，减小了阻力系数，并最终改善了机翼的性能。 （C）2017年美国土木工程师学会。

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  • 来源
    《Journal of aerospace engineering》 |2017年第5期|04017050.1-04017050.9|共9页
  • 作者

    Ji Shengcheng; Zhang Bei; Li Jiang; Wang Guangqiu;

  • 作者单位

    Beijing Aeronaut Sci & Technol Res Inst, Dept Stress Anal, Beijing 102211, Peoples R China;

    Beihang Univ, Sch Automat Sci & Elect Engn, Dept Measurement & Automat, Xue Yuan Rd 37, Beijing 100191, Peoples R China;

    Beijing Aeronaut Sci & Technol Res Inst, Dept Strateg Res, Beijing 102211, Peoples R China;

    Beijing Aeronaut Sci & Technol Res Inst, Dept Strateg Res, Beijing 102211, Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    Active flow control; Plasma actuator; Body force; Computational fluid dynamics;

    机译：主动流量控制;等离子执行器;车身力;计算流体动力学;

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