Argon Radiation Behind a Strong Shock Wave: Experiment and Direct Simulation by the Monte Carlo Method
- Authors: Kozlov P.V.1, Kusov A.L.1, Bykov N.G.1, Zabelinskii I.E.1, Levashov V.Y.1, Gerasimov G.Y.1
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Affiliations:
- Institute of Mechanics, Moscow State University
- Issue: Vol 42, No 4 (2023)
- Pages: 57-63
- Section: ГОРЕНИЕ, ВЗРЫВ И УДАРНЫЕ ВОЛНЫ
- URL: https://journals.rcsi.science/0207-401X/article/view/139905
- DOI: https://doi.org/10.31857/S0207401X23040106
- EDN: https://elibrary.ru/MXCLGM
- ID: 139905
Cite item
Abstract
The radiation characteristics of shock-heated argon are measured in the shock-wave velocity range of 4.5 to 7.8 km/s at gas pressures ahead of the shock wave front of 0.25, 1.0, and 5.0 Torr. Time-integrated sweeps of radiation and the time dependences of the radiation intensity of shock-heated argon at the wavelength of 420 nm are obtained in absolute units. The results of direct statistical simulation by the Monte Carlo method of radiation-chemical processes in the argon behind the front of a strong shock wave are presented. The model takes into account the processes of excitation and ionization of an atom by electron impact, emission and absorption for a discrete spectrum, bremsstrahlung, photoionization, and photorecombination, as well as the broadening of atomic lines. The experimental and calculated data are compared.
Keywords
About the authors
P. V. Kozlov
Institute of Mechanics, Moscow State University
Email: vyl69@mail.ru
Moscow, Russia
A. L. Kusov
Institute of Mechanics, Moscow State University
Email: vyl69@mail.ru
Moscow, Russia
N. G. Bykov
Institute of Mechanics, Moscow State University
Email: vyl69@mail.ru
Moscow, Russia
I. E. Zabelinskii
Institute of Mechanics, Moscow State University
Email: vyl69@mail.ru
Moscow, Russia
V. Yu. Levashov
Institute of Mechanics, Moscow State University
Email: vyl69@mail.ru
Moscow, Russia
G. Ya. Gerasimov
Institute of Mechanics, Moscow State University
Author for correspondence.
Email: vyl69@mail.ru
Moscow, Russia
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