Chin. Phys. Lett.  2018, Vol. 35 Issue (5): 055203    DOI: 10.1088/0256-307X/35/5/055203
Mechanism of Electromagnetic Flow Control Enhanced by Electro-Discharge in Water
Yan-Liang Ji, Ben-Mou Zhou**, Ya-Dong Huang
Science and Technology on Transient Physics Laboratory, Nanjing University of Science and Technology, Nanjing 210094
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Yan-Liang Ji, Ben-Mou Zhou, Ya-Dong Huang 2018 Chin. Phys. Lett. 35 055203
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Abstract Pulsed discharge utilized to achieve large current density in the electromagnetic flow control is numerically studied. A mathematic discharge model is established to calculate the plasma channel, and an actuator is designed to generate the Lorentz force in the micro plasma channel. During the discharge process, the resistance in the channel decreases rapidly and a large current density appears between the discharge electrodes. After the actuator is applied in the leading edge of a flat plate, the separation region and downstream turbulent boundary layer on the plate disappear. Meanwhile, a skin-friction drag force reduction is achieved.
Received: 10 January 2018      Published: 30 April 2018
PACS:  52.25.Jm (Ionization of plasmas)  
  52.30.Cv (Magnetohydrodynamics (including electron magnetohydrodynamics))  
  47.27.Rc (Turbulence control)  
Fund: Supported by the Specialized Research Fund of the Transient Physics Laboratory under Grant No KX21373.
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Yan-Liang Ji
Ben-Mou Zhou
Ya-Dong Huang
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