DEFLAGRATION-TO-DETONATION TRANSITION IN LASER-IGNITED EXPLOSIVE GAS

DEFLAGRATION-TO-DETONATION TRANSITION IN LASER-IGNITED EXPLOSIVE GAS
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DOI：
10.30826/iwdp201902
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发表时间：
2019-09
期刊：
RECENT PROGRESS IN DETONATION FOR PROPULSION
影响因子：
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通讯作者：
T. Endo;K. Okada;S. Kuwajima;W. Kim;T. Johzaki;D. Shimokuri;A. Miyoshi;S. Namba
T. Endo;K. Okada;S. Kuwajima;W. Kim;T. Johzaki;D. Shimokuri;A. Miyoshi;S. Namba
中科院分区：
其他
文献类型：
--
作者：
T. Endo;K. Okada;S. Kuwajima;W. Kim;T. Johzaki;D. Shimokuri;A. Miyoshi;S. Namba

文献摘要

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事实上，与普通火花塞点火相比，激光点火可以在较小的可燃气体区域内以较短的持续时间积累更大的能量，从而可以产生更大的初始火焰核并提前发展[2]。在本研究中，为了弄清激光点火的这一特性是否导致了DDT的促进，我们在光壁管中考察了激光点火的位置和能量对DDT的影响。
In fact, compared with ordinary spark-plug ignition, laser ignition can deposit larger energy in a smaller region of combustible gas in shorter duration, and therefore can result in a larger initial flame kernel and its earlier development [2]. In this research, for clarifying whether this characteristic of laser ignition leads the promotion of DDT or not, we investigate the influence of the position and energy of laser ignition on DDT in a smooth-wall tube.