Knowledge Management System of Institue of Mechanics, CAS
| Numerical and Experimental Investigation On The Prevention of Co Deflagration | |
Zhang Y(张宇); Yu LX(余立新) ; Wei XL(魏小林); Li T(李腾); Li B(李博); Zhang Y
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| Source Publication | Journal of Loss Prevention in The Process Industries
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| 2009 | |
| Volume | 22Issue:2Pages:169-175 |
| ISSN | 0950-4230 |
| Abstract | The exhaust gases from industrial furnaces contain a huge amount of heat and chemical enthalpy. However, it is hard to recover this energy since exhaust gases invariably contain combustible components such as carbon monoxide (CC). If the CO is unexpectedly ignited during the heat recovery process, deflagration or even detonation could occur, with serious consequences such as complete destruction of the equipment. In order to safely utilize the heat energy contained in exhaust gas, danger of its explosion must be fully avoided. The mechanism of gas deflagration and its prevention must therefore be studied. In this paper, we describe a numerical and experimental investigation of the deflagration process in a semi-opened tube. The results show that, upon ignition, a low-pressure wave initially spreads within the tube and then deflagration begins. For the purpose of preventing deflagration, an appropriate amount of nitrogen was injected into the tube at a fixed position. Both simulation and experimental results have shown that the injection of inert gas can successfully interrupt the deflagration process. The peak value of the deflagration pressure can thereby be reduced by around 50%. (C) 2008 Elsevier Ltd. All rights reserved. |
| Keyword | Co Deflagration Preventing Deflagration Flame Acceleration Repeated Obstacles Turbulence |
| DOI | 10.1016/j.jlp.2008.11.010 |
| Indexed By | SCI |
| Language | 英语 |
| WOS ID | WOS:000264732800007 |
| WOS Keyword | FLAME ACCELERATION ; REPEATED OBSTACLES ; TURBULENCE |
| WOS Research Area | Engineering |
| WOS Subject | Engineering, Chemical |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://dspace.imech.ac.cn/handle/311007/26562 |
| Collection | 等离子体与燃烧中心(2009-2011) |
| Corresponding Author | Zhang Y |
| Recommended Citation GB/T 7714 | Zhang Y,Yu LX,Wei XL,et al. Numerical and Experimental Investigation On The Prevention of Co Deflagration[J]. Journal of Loss Prevention in The Process Industries,2009,22,2,:169-175. |
| APA | 张宇,余立新,魏小林,李腾,李博,&Zhang Y.(2009).Numerical and Experimental Investigation On The Prevention of Co Deflagration.Journal of Loss Prevention in The Process Industries,22(2),169-175. |
| MLA | 张宇,et al."Numerical and Experimental Investigation On The Prevention of Co Deflagration".Journal of Loss Prevention in The Process Industries 22.2(2009):169-175. |
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