Dual-frequency plasma promoting flameholding in a supersonic combustion chamber

Li, Ji; Tang, Jingfeng; Zhang, Haoran; Zhou, Desheng; Ji, Tianyuan; Yu, Daren; Zhu, Xi-Ming

doi:10.1016/j.ast.2022.107676

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Design Of Vortex Metasurface With Different Focal Length And...1

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Cited by 3 publications

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“…Figure 3(a) shows the phase distribution in the focal plane, indicating that the topological charge of the resulting vortex beam is 2 1  l . Figure 3(b) shows the intensity distributions of the two symmetrically distributed foci in the X-Z plane.It can be seen from the figure that the [12] actual focal length is 83 . 1  Z μm, which is close to the preset focal length of 2 μm, indicating that the vortex beam is approximately focused at the preset focal point.…”

Section: Design Of Vortex Metasurface With Different Focal Length And...mentioning

confidence: 94%

Research on vortex lens based on full dielectric cross-shaped antenna

Lv,

Dang,

Luo

et al. 2023

AOPC 2023: Laser Technology and Applications; And Optoelectronic Devices and Integration

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Section: Design Of Vortex Metasurface With Different Focal Length And...mentioning

confidence: 94%

Research on vortex lens based on full dielectric cross-shaped antenna

Lv,

Dang,

Luo

et al. 2023

AOPC 2023: Laser Technology and Applications; And Optoelectronic Devices and Integration

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Numerical simulation of charged characteristics of scramjet combustion products

Li,

Chen,

Xia

et al. 2024

Aerospace Science and Technology

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Energy regulation of impulse current generator modulated DC arc discharge

Li,

Tang,

Lou

et al. 2024

High Voltage

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This paper proposes a method of impulse current generator modulated DC arc by combining the advantages of pulse and the RF to solve the low electron energy problem of direct current arc. Through experimental analyzing the electrical, spectral, and optical characteristics of the arc, the effect of impulse current generator (ICG) on improving electron energy is discussed. The results show that the ICG consumes more energy to enhance the strength of arc discharge, and therefore electron energy is increased in a microsecond scale. In addition, it is found that the electron energy of the arc discharge can be adjusted by varying inductance, capacitance, and discharge tube: increasing the inductance or capacitance can increase the electron energy firstly and then decrease it. In adjusting the three adjustable components, adjusting the inductor is the most effective method, followed by adjusting the capacitor, and adjusting the repetition frequency has the least effect. The reason is discussed, and it is believed that the results are related to leakage inductance and distributed capacitance.

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Dual-frequency plasma promoting flameholding in a supersonic combustion chamber

Cited by 3 publications

References 42 publications

Research on vortex lens based on full dielectric cross-shaped antenna

Research on vortex lens based on full dielectric cross-shaped antenna

Numerical simulation of charged characteristics of scramjet combustion products

Energy regulation of impulse current generator modulated DC arc discharge

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