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首页> 外文期刊>International Journal of Heat and Fluid Flow >Manipulation of ramp-induced shock wave/boundary layer interaction using a transverse plasma jet array
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Manipulation of ramp-induced shock wave/boundary layer interaction using a transverse plasma jet array

机译:使用横向等离子射流阵列操纵斜波诱发的冲击波/边界层相互作用

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摘要

The unsteadiness of ramp-induced shock wave/boundary layer interaction under the disturbance of an array of plasma jets was experimentally investigated using high-speed Schlieren imaging. The plasma jet was created by arc discharge in a confined small cavity, with a volume of 50 mm(3). The boundary layer thickness at the position where the upstream array of the actuators locates is delta=2.11 mm. Two jet orifices with a diameter of D=1 mm, 2 mm (delta/D=2.11, 1.05) are designed. The multichannel discharge circuit was used to extend the spanwise disturbance region of the jets. The size of separation zone was reduced when interacting with the plasma jet plume. Meawhile, an upstream motion of the separation shock and reattachment shock is observed during the recompression process caused by the obstruction and accumulation of the jets. (C) 2017 Elsevier Inc. All rights reserved.
机译:使用高速Schlieren成像实验研究了在一系列等离子流的干扰下斜坡诱发的冲击波/边界层相互作用的不稳定性。等离子流是由电弧放电在密闭的小腔体内产生的,腔体内的体积为50 mm(3)。在致动器的上游阵列所处的位置处的边界层厚度为δ= 2.11mm。设计了两个直径为D = 1 mm,2 mm(delta / D = 2.11,1.05)的喷嘴。多通道放电电路用于扩展射流的翼展方向扰动区域。当与等离子流羽流相互作用时,分离区的尺寸减小。同时,在再压缩过程中观察到分离冲击和重新附着冲击的上游运动,这是由于射流的阻塞和积累引起的。 (C)2017 Elsevier Inc.保留所有权利。

著录项

  • 来源
    《International Journal of Heat and Fluid Flow》 |2017年第10期|133-137|共5页
  • 作者单位

    Air Force Engn Univ, Sci & Technol Plasma Dynam Lab, Xian 710038, Shaanxi, Peoples R China;

    Air Force Engn Univ, Sci & Technol Plasma Dynam Lab, Xian 710038, Shaanxi, Peoples R China;

    Air Force Engn Univ, Sci & Technol Plasma Dynam Lab, Xian 710038, Shaanxi, Peoples R China;

    Air Force Engn Univ, Sci & Technol Plasma Dynam Lab, Xian 710038, Shaanxi, Peoples R China;

    Air Force Engn Univ, Sci & Technol Plasma Dynam Lab, Xian 710038, Shaanxi, Peoples R China;

    Air Force Engn Univ, Sci & Technol Plasma Dynam Lab, Xian 710038, Shaanxi, Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Shock wave/boundary layer interaction; Plasma jet; Flow control; High-speed schlieren technique;

    机译:冲击波/边界层相互作用;等离子射流;流量控制;高速射影技术;

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