Experimental and Theoretical Study of Absorption Properties of Shock-Heated Oxygen

IF 0.6 4区 工程技术 Q4 MECHANICS Fluid Dynamics Pub Date : 2025-02-02 DOI:10.1134/S0015462824604273
N. G. Bykova, I. E. Zabelinskii, A. L. Kusov, G. Ya. Gerasimov, V. Yu. Levashov, P. V. Kozlov
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Abstract

A series of experiments are carried out on the shock tube of the Institute of Mechanics of Lomonosov Moscow State University to measure the evolution of radiation absorption in shock-heated oxygen in the wavelength range of 213–260 nm at a gas pressure of 1 Torr and shock wave velocities from 3.4 to 4.5 km/s. Based on a comparison of the experimental data with the results of calculations using the collision-radiation model, the influence of bound-bound and bound-unbound transitions in the Schumann–Runge system on the absorption properties of oxygen is analyzed.

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冲击加热氧气吸收特性的实验与理论研究
在莫斯科国立大学罗蒙诺索夫力学研究所的激波管上进行了一系列实验,测量了在气体压力为1 Torr,激波速度为3.4 ~ 4.5 km/s的条件下,激波加热氧气在213 ~ 260 nm波长范围内的辐射吸收演变。通过实验数据与碰撞-辐射模型计算结果的比较,分析了舒曼-龙格体系中束缚跃迁和束缚-非束缚跃迁对氧吸收特性的影响。
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来源期刊
Fluid Dynamics
Fluid Dynamics MECHANICS-PHYSICS, FLUIDS & PLASMAS
CiteScore
1.30
自引率
22.20%
发文量
61
审稿时长
6-12 weeks
期刊介绍: Fluid Dynamics is an international peer reviewed journal that publishes theoretical, computational, and experimental research on aeromechanics, hydrodynamics, plasma dynamics, underground hydrodynamics, and biomechanics of continuous media. Special attention is given to new trends developing at the leading edge of science, such as theory and application of multi-phase flows, chemically reactive flows, liquid and gas flows in electromagnetic fields, new hydrodynamical methods of increasing oil output, new approaches to the description of turbulent flows, etc.
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