A method for determination of spatial distribution of gas concentration in supersonic jets outflowing into vacuum


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An experimental method for determination of the spatial distribution of gas concentration in millimeter-sized supersonic jets outflowing into vacuum is proposed. This method is based on jet visualization by its illumination with a laser–plasma radiation source and processing of the obtained intensity distribution of the jet glow. The spatial distribution of the jet glow intensity for the visualized jet is measured. The gas concentration distribution in the jet is determined, and the results of experiment are compared with the calculated data obtained by numerical hydrodynamic simulation.

作者简介

M. Petrenko

Ioffe Physical Technical Institute

编辑信件的主要联系方式.
Email: m.petrenko@mail.ioffe.ru
俄罗斯联邦, St. Petersburg, 194021

S. Bobashev

Ioffe Physical Technical Institute

Email: m.petrenko@mail.ioffe.ru
俄罗斯联邦, St. Petersburg, 194021

G. Tumakaev

Ioffe Physical Technical Institute

Email: m.petrenko@mail.ioffe.ru
俄罗斯联邦, St. Petersburg, 194021

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