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The Effects of Plasma-Based Body Force on Flow Separation Suppression

  • Junji Huang
  • Baopeng Hu
  • Zexiang Li
  • Jinbai Zhang
  • Zhansen Qian
  • Shilong LanEmail author
Chapter
Part of the Computational Methods in Applied Sciences book series (COMPUTMETHODS, volume 52)

Abstract

The effects of dielectric barrier discharge (DBD) plasma-based body force on Reynolds stresses and flow structures are studied numerically on two basic test cases, which are NACA0015 airfoil flow and backward facing step flow. The function of the plasma actuator is considered as the body force, based on a phenomenological model, which is suggested by W. Shyy. A detached eddy simulation (DES) methods are applied in both benchmark flows. Two effects of the continuous force are identified in present study, one is acceleration of flow in the vicinity of the actuator or the forcing region, another is reduction of Reynolds stresses. As for pulsed force, Reynolds stresses will be increased, which is different from that of the continuous force cases. The underlying mechanisms are proposed in present paper.

Keywords

Plasma Body force Separated flow Detached eddy simulation 

Notes

Acknowledgements

This work was co-funded by PRC-MIIT and EC-DG RTD project “Manipulation of Reynolds Stress for Separation Control and Drag Reduction”. National laboratory for computational fluid dynamics provided most of the computational resources.

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Copyright information

© Springer Nature Switzerland AG 2020

Authors and Affiliations

  • Junji Huang
    • 1
    • 2
  • Baopeng Hu
    • 1
  • Zexiang Li
    • 1
  • Jinbai Zhang
    • 1
  • Zhansen Qian
    • 3
  • Shilong Lan
    • 1
    Email author
  1. 1.Ministry of Education Key Laboratory of Fluid MechanicsBeihang UniversityBeijingPeople’s Republic of China
  2. 2.Department of Mechanical and Aerospace EngineeringMissouri University of Science and TechnologyRollaUSA
  3. 3.AVIC Aerodynamics Research InstituteBeijingPeople’s Republic of China

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