Experimental and Analytical Study of a Two-Stage Light-Gas Magnetoplasma Launcher for Ballistic Tests Under Vacuum Conditions

Khramtsov, P. P.; Vasetskiy, V. A.; Grishchenko, V. M.; Makhnach, A. I.; Chernik, M. Yu.; Shikh, I. A.

doi:10.1615/hightempmatproc.2016015794

Cited by 5 publications

(3 citation statements)

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“…On the other hand, the use of light-gas launcher where accelerating chan-nel is replaced with Laval nozzle allows to receive a hypersonic flow with high optical density and to apply Tepler method to its visualization. Hypersonic flow facility studied in this research is a modified light-gas launcher we used for ballistic tests and described in details in article [23]. The scheme of the experimental setup is shown in Figure 1.…”

Section: Experimental Equipment For Hypersonic Flow Generation and Optical Diagnosticsmentioning

confidence: 99%

Investigation of Hypersonic Conic Flows Generated by Magnetoplasma Light-Gas Gun Equipped with Laval Nozzle

Khramtsov¹

2022

Hypersonic Vehicles - Applications, Recent Advances, and Perspectives

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This chapter introduces new approach of hypersonic flow generation and experimental study of hypersonic flows over cones with half- angles τ1 = 3◦ and τ2 = 12◦. Mach number of the of the incident flow was M1 = 18. Visualization of the flow structure was made by the schlieren method. Straight Foucault knife was located in the focal plane of the receiving part of a shadow device. Registration of shadow patterns was carried out using high- speed camera Photron Fastcam (300 000 fps) with an exposure time of 1 μs. The Mach number on the cone was calculated from inclination angle of shock wave in the shadowgraph.

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Section: Experimental Equipment For Hypersonic Flow Generation and Optical Diagnosticsmentioning

confidence: 99%

Investigation of Hypersonic Conic Flows Generated by Magnetoplasma Light-Gas Gun Equipped with Laval Nozzle

Khramtsov¹

2022

Hypersonic Vehicles - Applications, Recent Advances, and Perspectives

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“…С другой стороны, использование легкогазовой баллистической установки, в которой вместо канала разгона с ударником установлено сопло Лаваля, позволяет получить гиперзвуковой поток с высоким значением оптической плотности истекающего газа и применить метод Теплера для его визуализации. Работа экспериментальной установки для гиперзвукового обдува в режиме баллистической установки подробно описана в [28].…”

Section: экспериментальное оборудование и методика измеренийunclassified

Диагностика Полей Плотности Фотометрическим Теневым Методом При Гиперзвуковом Обтекании Конуса В Легкогазовой Баллистической Установке

Храмцов¹,

Васецкий²,

Грищенко³

et al. 2019

Журнал Технической Физики

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A new method of hypersonic flow generation is proposed and the results of an experimental study of hypersonic flow past cones with half-angles = 3° and = 12° are presented. The Mach numbers of the studied incident flows were = 18 ( = 3°) and = 14.4 ( = 12°). The use of a light-gas facility, where an accelerating channel was replaced with Laval nozzle, allows us to obtain a hypersonic outflow with optical density sufficiently high for flow visualization and diagnostics with the help of optical methods. The flow structure was visualized by means of the shadow method using the Foucault knife and the slit. Shadowgraphs were recorded by a high-speed camera with a frame rate of 300,000 fps and an exposure time of 1 µs. The Mach number for the incident flow was calculated from the inclination angle of the shock wave on shadowgraphs.

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“…To overcome the problem intrinsically, researchers have sought out some ideal gas, which has high stagnation temperature and low molecular weight, to decrease the influence of different pressure distributions in the chamber. Some one-stage and two-stage light-gas guns are tested and simulated by [4][5][6]. Nevertheless, it also needs a complex system to store the light-gas and much time to recharge.…”

Section: Introductionmentioning

confidence: 99%

A Novel Launching System Applying a Relay Chamber Technology and Its Optimization

Cao

Zhang

2019

Propellants Explo Pyrotec

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This paper investigates a novel launching system with a relay chamber using optimization method. For revealing the influences of new structures on the overall interior ballistic performance, the launching process of this novel system is modeled and a series of different schemes are simulated. In view of more design variables to be involved and conflicting objectives to be achieved, complete optimization of the interior ballistic performance is a complex process. A popular standard particle swarm optimization algorithm is used to obtain an optimal loading condition, together with a proper design of the relay chamber. Furthermore, for an existing cannon gun without modifying its structure, the charge system is re‐designed and simulated using the SPSO algorithm in this novel method and conventional method respectively. Compared with the original scheme, both optimal schemes could get higher muzzle velocity, while the novel method could improve by 16.5 % and the conventional method could improve by only 5.7 %. It means that this novel launch system could improve the interior ballistics performance obviously and it still has considerable potential to be ameliorated.

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Experimental and Analytical Study of a Two-Stage Light-Gas Magnetoplasma Launcher for Ballistic Tests Under Vacuum Conditions

Cited by 5 publications

References 0 publications

Investigation of Hypersonic Conic Flows Generated by Magnetoplasma Light-Gas Gun Equipped with Laval Nozzle

Investigation of Hypersonic Conic Flows Generated by Magnetoplasma Light-Gas Gun Equipped with Laval Nozzle

Диагностика Полей Плотности Фотометрическим Теневым Методом При Гиперзвуковом Обтекании Конуса В Легкогазовой Баллистической Установке

A Novel Launching System Applying a Relay Chamber Technology and Its Optimization

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