Observation of Oblique Laser-Supported Detonation Wave Propagating in Atmospheric Air

被引：1
|
作者：
Matsui, Kohei [1 ]
Komurasaki, Kimiya [2 ]
Kanda, Keisuke [2 ]
Koizumi, Hiroyuki [3 ]
机构：
[1] Kyushu Inst Technol, Dept Space Syst Engn, Fukuoka 8048550, Japan
[2] Univ Tokyo, Dept Aeronaut & Astronaut, Tokyo 1138656, Japan
[3] Univ Tokyo, Dept Adv Energy, Chiba 2778561, Japan
来源：
AEROSPACE | 2024年 / 11卷 / 04期
关键词：
atmospheric discharge; laser propulsion; laser supported detonation; oblique detonation; PULSE; VELOCITY; IONIZATION; GAS;
D O I：
10.3390/aerospace11040327
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
Elucidation of the propagation velocity of a laser-supported detonation (LSD) wave and its propagation mechanism is necessary for various engineering applications. This study was conducted to observe an oblique laser-supported detonation wave off the laser axis. The relation between the local laser intensity and detonation-wave propagation velocity was investigated. For this purpose, the time-space distribution of the laser intensity was measured precisely. The change of the LSD wavefront shape was visualized using an ultrahigh-speed camera. The relation between the local laser intensity and the propagation velocity of the oblique LSD wave measured off the laser axis was found to be identical to the relation between the local laser intensity and the detonation propagation velocity at the laser axis.
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收藏
页数：12
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