Specific features of modeling of nonequilibrium radiation behind the shock wave in air in the vacuum ultraviolet spectral range

被引:3
作者
Gorelov, V. A. [1 ]
Kireev, A. Yu. [1 ]
机构
[1] Cent Aerohydrodynam Inst, Zhukovskii 140180, Russia
基金
俄罗斯基础研究基金会;
关键词
shock wave; nonequilibrium; physical-chemical models; photoionization;
D O I
10.1134/S002189441601017X
中图分类号
O3 [力学];
学科分类号
08 ; 0801 ;
摘要
A physical-chemical model of generation of nonequilibrium molecular radiation in the vacuum ultraviolet (VUV) spectral range behind the shock wave in air for shock wave velocities from 4.5 to 9.5 km/s is developed. Experimental results obtained in a shock tube in investigations of photoionization of air ahead of the shock wave front are used for verification of the numerical model of VUV radiation in the wavelength range from 85 to 105 nm. Model calculations show that nonequilibrium VUV radiation arises in a very thin high-temperature layer behind the shock wave front and is affected by heavy particles and electrons.
引用
收藏
页码:153 / 162
页数:10
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