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俄罗斯空气动力研究所中心学报

ISSN 打印: 1948-2590
ISSN 在线: 1948-2604

俄罗斯空气动力研究所中心学报

DOI: 10.1615/TsAGISciJ.2018027083
pages 251-262

VOLUME-CENTERED DISCHARGE IN SUPERSONIC AIR FLOW AT CONCENTRATED PROPANE AND OXYGEN INJECTION TO THE DISCHARGE ZONE

Vyacheslav Konstantinovich Alatortsev
Central Aerohydrodynamic Institute (TsAGI), 1 Zhukovsky Str., Zhukovsky, Moscow Region, 140180, Russia
Sergei Ivanovich Inshakov
Central Aerohydrodynamic Institute (TsAGI), 1, Zhukovsky Str., Zhukovsky, Moscow Region, 140180, Russian Federation
Ivan Sergeevich Inshakov
Central Aerohydrodynamic Institute (TsAGI), 1 Zhukovsky St., Zhukovsky, Moscow Region, 140180, Russia
Aleksandr Fedorovich Rozhkov
Central Aerohydrodynamic Institute (TsAGI), 1 Zhukovsky Str., Zhukovsky, Moscow Region, 140180, Russia
Vladimir Vladimirovich Skvortsov
Central Aerohydrodynamic Institute (TsAGI) 1, Zhukovsky str., Zhukovsky, 140180, Moscow region, Russia
Andrey Yuryevich Urusov
Central Aerohydrodynamic Institute (TsAGI), 1 Zhukovsky Str., Zhukovsky, Moscow Region, 140180, Russian Federation
Aleksandr Aleksandrovich Uspenskii
Central Aerohydrodynamic Institute (TsAGI), Zhukovsky str. 1, Zhukovsky, Moscow Region, 140180 Russia

ABSTRACT

The results of a volume-centered discharge study are presented, in which concentrated propane and oxygen were injected to the discharge zone in a supersonic air flow at M = 2, static pressure in the range of ~ 4.7–7.1 × 104 Pa, and static temperature of 160 K. It was found that the state of medium similar to the known propane–oxygen flame could arise under these conditions. Such a flame could still exist after turning off the discharge. The results of a comparison of the relative intensities of the generating components of the plasma–chemical reactions and their volumetric distribution when the discharge was turned on and off and several electro-physical discharge characteristics are given.


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