Measurement of the electron concentration in the vicinity of a strong shock wave
- Autores: Kozlov P.V.1, Gerasimov G.Y.1, Levashov V.Y.1, Bykova N.G.1, Zabelinsky I.E.1, Kotov M.A.2
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Afiliações:
- Institute of Mechanics, Lomonosov Moscow State University
- Ishlinsky Institute for Problems in Mechanics, RAS
- Edição: Volume 43, Nº 6 (2024)
- Páginas: 25-32
- Seção: Combustion, explosion and shock waves
- URL: https://cijournal.ru/0207-401X/article/view/674933
- DOI: https://doi.org/10.31857/S0207401X24060034
- ID: 674933
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Resumo
A series of probe measurements to determine the electron concentration in a gas ahead of a strong shock wave front was carried out using a double-diaphragm shock tube DDST-M of the Institute of Mechanics, Moscow State University. At the same time, the light flux from the region of the shock-heated gas was recorded, which made it possible to calculate the electron concentration behind the shock wave using the spectroscopic method. The experiments were carried out in air, oxygen, and nitrogen at shock wave velocities from 8.3 to 11.3 km/s and an initial pressure of 0.25 Torr in the low-pressure chamber. The dependences of the electron concentration on the shock wave velocity and the distance from the observation point to the shock wave are obtained. Spectroscopic measurements made it possible to determine the dependence of the electron concentration on the composition of the gaseous medium. The obtained data are compared with the experimental data of other authors.
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Sobre autores
P. Kozlov
Institute of Mechanics, Lomonosov Moscow State University
Email: vyl69@mail.ru
Rússia, Moscow
G. Gerasimov
Institute of Mechanics, Lomonosov Moscow State University
Email: vyl69@mail.ru
Rússia, Moscow
V. Levashov
Institute of Mechanics, Lomonosov Moscow State University
Autor responsável pela correspondência
Email: vyl69@mail.ru
Rússia, Moscow
N. Bykova
Institute of Mechanics, Lomonosov Moscow State University
Email: vyl69@mail.ru
Rússia, Moscow
I. Zabelinsky
Institute of Mechanics, Lomonosov Moscow State University
Email: vyl69@mail.ru
Rússia, Moscow
M. Kotov
Ishlinsky Institute for Problems in Mechanics, RAS
Email: vyl69@mail.ru
Rússia, Moscow
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