Experimental investigation on plasma jet deflection with magnetic fluid control based on PIV measurement

Kai ZHAO (赵凯); Baigang SUN (孙佰刚); Yongji LU (卢永吉); Feng LI (李锋); Yongbo LIU (刘永波); Xiangbin LIU (刘祥彬); Kefu WANG (王可夫)

doi:10.1088/2058-6272/aae09b

Plasma Science and Technology > 2019 > 21(2): 25503-025503. > DOI: 10.1088/2058-6272/aae09b

Kai ZHAO (赵凯), Baigang SUN (孙佰刚), Yongji LU (卢永吉), Feng LI (李锋), Yongbo LIU (刘永波), Xiangbin LIU (刘祥彬), Kefu WANG (王可夫). Experimental investigation on plasma jet deflection with magnetic fluid control based on PIV measurement[J]. Plasma Science and Technology, 2019, 21(2): 25503-025503. DOI: 10.1088/2058-6272/aae09b

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Experimental investigation on plasma jet deflection with magnetic fluid control based on PIV measurement

¹ School of Energy and Power Engineering, Beihang University, Beijing 100191, People’s Republic of China
² School of Aviation Operations and Services, Aviation University of Air Force, Changchun 130022, People’s Republic of China
³ Air Force Command College, Beijing 100191, People’s Republic of China
⁴ Air Force Harbin Flight Academy, Harbin 150000, People’s Republic of China

Funds: This work was supported by National Natural Science Foundation of China (No. 90716025).

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Received Date: June 28, 2018

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Abstract

Abstract

This paper is devoted to experimentally investigating the influence of magnetic field intensity and gas temperature on the plasma jet deflection controlled by magneto hydrodynamics. The catalytic ionization seed CS₂CO₃ is injected into combustion gas by artificial forced ionization to obtain plasma fluid on a high-temperature magnetic fluid experimental platform. The plasma jet was deflected under the effect of an external magnetic field, forming a thrust-vector effect. Magnesium oxide was selected as a tracer particle, and a two-dimensional image of the jet flow field was collected using the particle image velocimetry (PIV) measurement method. Through image processing and velocity vector analysis of the flow field, the value of the jet deflection angle was obtained quantitatively to evaluate the thrust-vector effect. The variation of the jet deflection angle with the magnetic field intensity and gas temperature was studied under different experimental conditions. Experimental results show that the jet deflection angle increased gradually with a rise in gas temperature and then increased substantially when the gas temperature exceeded 2300 K. The jet deflection angle also increased with an increase in magnetic induction intensity. Experiments demonstrate it is feasible to use PIV test technology to study the thrust vector under magnetic control conditions.
- PIV,
- plasma,
- jet deflection,
- MHD,
- image processing

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References (20)

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