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封闭空间中易燃混合气体在HF和CO2激光作用下的燃烧引发

FIRSOV K N KAZANTSEV S Yu KONONOV I G KOSSYI I A TARASOVA N M 张来明 谢冀江

FIRSOV K N, KAZANTSEV S Yu, KONONOV I G, KOSSYI I A, TARASOVA N M, 张来明, 谢冀江. 封闭空间中易燃混合气体在HF和CO2激光作用下的燃烧引发[J]. 中国光学(中英文), 2011, 4(1): 41-45.
引用本文: FIRSOV K N, KAZANTSEV S Yu, KONONOV I G, KOSSYI I A, TARASOVA N M, 张来明, 谢冀江. 封闭空间中易燃混合气体在HF和CO2激光作用下的燃烧引发[J]. 中国光学(中英文), 2011, 4(1): 41-45.
FIRSOV K N, KAZANTSEV S Yu, KONONOV I G, KOSSYI I A, TARASOVA N M, ZHANG Lai-ming, XIE Ji-jiang. Combustion initiation of flammable gas mixture in a closed volume by high power HF and CO2 laser[J]. Chinese Optics, 2011, 4(1): 41-45.
Citation: FIRSOV K N, KAZANTSEV S Yu, KONONOV I G, KOSSYI I A, TARASOVA N M, ZHANG Lai-ming, XIE Ji-jiang. Combustion initiation of flammable gas mixture in a closed volume by high power HF and CO2 laser[J]. Chinese Optics, 2011, 4(1): 41-45.

封闭空间中易燃混合气体在HF和CO2激光作用下的燃烧引发

详细信息
  • 中图分类号: TN249

Combustion initiation of flammable gas mixture in a closed volume by high power HF and CO2 laser

  • 摘要: 研究了封闭圆柱石英腔中化学计量CH4∶ O2混合气的燃烧试验。使用了非定域脉冲HF激光触发和直接使用脉冲CO2激光器助燃两种引燃方法。第二种引燃方法是使用小剂量的可以强烈吸收脉冲CO2激光辐射的SF6来加热易燃混合气。研究了燃烧过程,并确定了燃烧辉光的谱线特征。试验表明,即使在小体积反应器中,固定数量反应气的快速激光加热也能够极大地加速燃烧进程并达到混合气燃烧的爆炸模式。得到了阈值情况下沿腔轴的初始温度分布。

     

  • [1] KAZANTSEV S Yu,KONONOV I G,KOSSYI I A,et al.. Ignition of a combustible gas mixture by a laser spark excited in the reactor volume plasma[J]. Plasma Phys. Rep.,2009,35:251-257. [2] BEDUNEAU J-L,KIM B,ZIMMER L,et al.. Measurements of minimum ignition energy in premixed laminar methane/air flow by using laser induced spark[J]. Combust. Flame,2003,132:653-655. [3] BELEVTSEV A A,FIRSOV K N,KAZANTSEV S Yu,et al.. Self-sustained volume discharge in SF6-based gas mixtures upon the development of shock-wave perturbations of the medium initiated by a pulsed CO2 laser[J]. Quantum Electron.,2006,36:646-652. [4] ANDREEV S N,FIRSOV K N,KAZANTSEV S Yu,et al.. Temporal structure of an electric signal produced upon interaction of radiation from a HF laser with the bottom surface of a water column[J]. Quantum Electron.,2009,39:179-184. [5] BELEVTSEV A A,FIRSOV K N,KAZANTSEV S Yu,et al.. The influence of vibrational excitation on the burning voltage of a pulsed electric discharge in HF laser working media[J]. Appl. Phys. B,2006,82:455-462. [6] BRATOV V A,ISAKOV L M,PETROV Yu V. A criterion for detonation initiation in gas mixtures[J]. Physics-Doklady,2008,53:507-509.
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出版历程
  • 收稿日期:  2010-09-21
  • 修回日期:  2010-12-03
  • 刊出日期:  2011-02-25

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