The possibilities of control of the characteristics of a glow discharge by using the organization of supersonic gas flow

Zalyaliev, B. R.; Тимеркаев, Б. А.; Amirzyanov, I. I.

doi:10.1088/1742-6596/927/1/012079

J. Phys.: Conf. Ser.

2017

DOI: 10.1088/1742-6596/927/1/012079

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The possibilities of control of the characteristics of a glow discharge by using the organization of supersonic gas flow

B. R. Zalyaliev

Б. А. Тимеркаев

I. I. Amirzyanov

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“…Such influence can be carried out in various ways, for example through different organization of gas flow pumped through the discharge region. In [8][9][10], supersonic gas pumping is used to create various conditions for maintaining the discharge in separate spatial parts.…”

mentioning

confidence: 99%

A model of the positive column of longitudinal glow discharge in planar channel with additional gas injection through the side walls

Galeev

Asadullin

Valeeva

2022

J. Phys.: Conf. Ser.

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A model of positive glow discharge column in longitudinal flowing glow discharge with an additional distributed gas injection through the side walls of flat channel is proposed. The main flow is pumped through mesh electrodes located at the beginning and end of the discharge chamber. The solution of an integro-differential system of equations is obtained, expressions for the distribution of the electric field strength, the degree of gas ionization, and the gas temperature in the discharge region are given.

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mentioning

confidence: 99%

A model of the positive column of longitudinal glow discharge in planar channel with additional gas injection through the side walls

Galeev

Asadullin

Valeeva

2022

J. Phys.: Conf. Ser.

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Controlling the structure of a glow discharge by supersonic gas flow

et al. 2022

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The effect of supersonic gas flow on glow discharge characteristics in interelectrode space is studied. First, gas outflow through a Laval nozzle with a central body was simulated: gas particle density distributions, gas flow velocity, Mach number, and temperature were obtained. Next, these profiles were used for numerical calculations of the parameters of a transverse glow discharge within the framework of an extended fluid description of the plasma. As a result, it was found that the cathode zones can both shrink and stretch depending on the parameters of the supersonic gas flow. The latter creates an inhomogeneous gas density in the interelectrode region and thereby affects the value of E/N, which determines the electrical characteristics of the discharge. Numerical simulation results are confirmed by experimental data.

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Internal characteristics of distribution of glow discharge at supersonic speed gas flow in the positive column area

Тимеркаев

Zalyaliev

Egorov

2019

J. Phys.: Conf. Ser.

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The possibilities of control of the characteristics of a glow discharge by using the organization of supersonic gas flow

Cited by 3 publications

References 5 publications

A model of the positive column of longitudinal glow discharge in planar channel with additional gas injection through the side walls

A model of the positive column of longitudinal glow discharge in planar channel with additional gas injection through the side walls

Controlling the structure of a glow discharge by supersonic gas flow

Internal characteristics of distribution of glow discharge at supersonic speed gas flow in the positive column area

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