A Method for Determining the Density and Velocity of Pulse Gas Flows of Millisecond Duration

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Abstract

An experimental setup for studying pulse gas flows within short periods (up to 1 ms) was developed and an experimental data processing method is presented. Based on high-speed frame interferometry data and the results of dynamic pressure measurements, the spatial and temporal distributions of the helium flow density and velocity are determined. The optimal method for reconstructing the spatial density distributions with consideration for the experimental errors is described. The presented method allows characterization of the gas flows with a density of more than 0.0001 kg/m3 and a velocity of more than 400 m/s.

About the authors

A. V. Kosarev

JSC State Research Center of Russian Federation, Troitsk Institute for Innovation and Fusion Research

Email: gutorovkm@triniti.ru
142190, Troitsk, Moscow, Russia

V. L. Podkovyrov

JSC State Research Center of Russian Federation, Troitsk Institute for Innovation and Fusion Research

Email: gutorovkm@triniti.ru
142190, Troitsk, Moscow, Russia

A. D. Yaroshevskaya

JSC State Research Center of Russian Federation, Troitsk Institute for Innovation and Fusion Research

Email: gutorovkm@triniti.ru
142190, Troitsk, Moscow, Russia

A. V. Meleshko

JSC State Research Center of Russian Federation, Troitsk Institute for Innovation and Fusion Research

Email: gutorovkm@triniti.ru
142190, Troitsk, Moscow, Russia

K. M. Gutorov

JSC State Research Center of Russian Federation, Troitsk Institute for Innovation and Fusion Research

Author for correspondence.
Email: gutorovkm@triniti.ru
142190, Troitsk, Moscow, Russia

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Copyright (c) 2023 А.В. Косарев, В.Л. Подковыров, А.Д. Ярошевская, А.В. Мелешко, К.М. Гуторов