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题名: An experimental research on the mixing process of supersonic oxygen-iodine parallel streams
作者: Wang, Zengqiang1, 2;  Sang, Fengting1;  Zhang, Yuelong1;  Hui, Xiaokang1;  Xu, Mingxiu1;  Zhang, Peng1;  Zhao, Weili1;  Fang, Benjie1;  Duo, Liping1;  Jin, Yuqi1
关键词: Chemical oxygen iodine laser (COIL) ;  Supersonic mixing ;  Chemical fluorescence method (CFM)
刊名: OPTICS AND LASER TECHNOLOGY
发表日期: 2014-12-01
DOI: 10.1016/j.optlastec.2014.04.017
卷: 64, 页:53-63
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Optics ;  Physics, Applied
研究领域[WOS]: Optics ;  Physics
英文摘要: The O-2((1)Delta)/I-2 mixing process is one of the most important steps in chemical oxygen-iodine laser (COIL). Based on the chemical fluorescence method (CFM), a diagnostic system was set up to image electronically excited fluorescent I-2(B-3 Pi(o)) by means of a high speed camera. An optimized data analysis approach was proposed to analyze the mixing process of supersonic oxygen-iodine parallel streams, employing a set of qualitative and quantitative parameters and a proper percentage boundary threshold of the fluorescence zone. A slit nozzle bank with supersonic parallel streams and a trip tab set for enhancing the mixing process were designed and fabricated. With the diagnostic system and the data analysis approach, the performance of the trip tab set was examined and is demonstrated in this work. With the mixing enhancement, the fluorescence zone area was enlarged 3.75 times. We have studied the mixing process under different flow conditions and demonstrated the mixing properties with different iodine buffer gases, including N-2, Ar, He and CO2. It was found that, among the four tested gases, Ar had the best penetration ability, whilst He showed the best free diffusion ability, and both of them could be well used as the buffer gas in our experiments. These experimental results can be useful for designing and optimizing COIL systems. (C) 2014 Elsevier Ltd. All rights reserved.
关键词[WOS]: LASER ;  COIL ;  GAIN
语种: 英语
WOS记录号: WOS:000340336100010
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/145592
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, CAS, Key Lab Chem Lasers, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China

Recommended Citation:
Wang, Zengqiang,Sang, Fengting,Zhang, Yuelong,et al. An experimental research on the mixing process of supersonic oxygen-iodine parallel streams[J]. OPTICS AND LASER TECHNOLOGY,2014,64:53-63.
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