Article(id=1325115418603552954, tenantId=1146029695717560320, journalId=1255847867265597444, issueId=1325115367466611474, articleNumber=null, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1302451200000, receivedDateStr=2011-04-11, revisedDate=1316016000000, revisedDateStr=2011-09-15, acceptedDate=null, acceptedDateStr=null, onlineDate=1793861735248, onlineDateStr=2026-11-05, pubDate=1371225600000, pubDateStr=2013-06-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793861735248, onlineIssueDateStr=2026-11-05, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793861735248, creator=13701087609, updateTime=1793861735248, updator=13701087609, issue=Issue{id=1325115367466611474, tenantId=1146029695717560320, journalId=1255847867265597444, year='2013', volume='27', issue='3', pageStart='313', pageEnd='472', issueExtLink='null', onlineDate='null', pubDate='1371225600000', pubDateStr='2013-06-15', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793861723056, creator='13701087609', updateTime=1793861723056, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=385, endPage=390, ext={EN=ArticleExt(id=1325115418775519419, articleId=1325115418603552954, tenantId=1146029695717560320, journalId=1255847867265597444, language=EN, title=Analysis of the Onset of Detonation in the DDT Process for Combustible Mixture, columnId=null, journalTitle=Chinese Journal of High Pressure Physics, columnName=null, runingTitle=null, highlight=null, articleAbstract=

For comparison with several methods used to define the location of the onset of detonation, several of experiments were performed to study on the deflagration to detonation transition (DDT) for premixed C2H2+2.5O2 mixture in a shock tube. A high-speed digital camera was used to track the velocities of flame, shock, or detonation wave. In this work, six methods were used to define the location of the onset of detonation, and six different results of the DDT run-up distance (LDDT) and the time of the detonation onset (tDDT) were obtained. It is found that the methods based on the flame emission radiation and the growth trajectory of flame, shock, or detonation wave can accurately define tDDT and LDDT. The onset of detonation defined by the other methods based on the speed of detonation wave might result in some error or underestimated values due to the localized explosion taking place just prior to the generation of detonation.

, authors=Jian WANG, Ji-Yuan DUAN, Ji-Bo ZHAO, Duo-Wang TAN, authorsList=Jian WANG, Ji-Yuan DUAN, Ji-Bo ZHAO, Duo-Wang TAN, authorCompany=null, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1325115418985234620, articleId=1325115418603552954, tenantId=1146029695717560320, journalId=1255847867265597444, language=CN, title=可燃气体混合物燃烧转爆轰判据对比分析, columnId=0, journalTitle=高压物理学报, columnName=, runingTitle=null, highlight=null, articleAbstract=

基于气相爆轰实验中到爆轰时刻不同判据之间的比较,利用数字高速摄影相机,在激波管中开展化学计量比的乙炔-氧气混合气体的燃烧转爆轰实验,对比了6种不同的判据判读到爆轰时刻数据之间的差异。对比分析表明,采用波阵面火焰发光强度和波阵面轨迹作为乙炔-氧气混合气体到爆轰时刻的判据,能够更精确地获得到爆轰时间和到爆轰距离。不同判读数据之间的差异较大,主要原因是在燃烧转爆轰过程中发生局部爆炸,对压力和波速的走时产生较大的影响,导致了判读到爆轰时刻的误差。

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王建(1981—),男,硕士,助理研究员,主要从事爆轰物理基础实验研究. E-mail:

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王建(1981—),男,硕士,助理研究员,主要从事爆轰物理基础实验研究. E-mail:

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可燃气体混合物燃烧转爆轰判据对比分析
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王建 , 段吉员 , 赵继波 , 谭多望
高压物理学报 | 2013,27(3): 385-390
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高压物理学报 | 2013 , 27 (3) : 385 -390
可燃气体混合物燃烧转爆轰判据对比分析
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王建 , 段吉员, 赵继波, 谭多望
作者信息
  • 中国工程物理研究院流体物理研究所冲击波物理与爆轰物理实验室,四川 绵阳 621900
作者简介:

王建(1981—),男,硕士,助理研究员,主要从事爆轰物理基础实验研究. E-mail:

Analysis of the Onset of Detonation in the DDT Process for Combustible Mixture
Jian WANG , Ji-Yuan DUAN, Ji-Bo ZHAO, Duo-Wang TAN
Affiliations
  • National Key Laboratory of Shock Wave and Detonation Physics, Institute of Fluid Physics, CAEP, Mianyang 621900, China
出版时间: 2013-06-15
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基于气相爆轰实验中到爆轰时刻不同判据之间的比较,利用数字高速摄影相机,在激波管中开展化学计量比的乙炔-氧气混合气体的燃烧转爆轰实验,对比了6种不同的判据判读到爆轰时刻数据之间的差异。对比分析表明,采用波阵面火焰发光强度和波阵面轨迹作为乙炔-氧气混合气体到爆轰时刻的判据,能够更精确地获得到爆轰时间和到爆轰距离。不同判读数据之间的差异较大,主要原因是在燃烧转爆轰过程中发生局部爆炸,对压力和波速的走时产生较大的影响,导致了判读到爆轰时刻的误差。

气相爆轰波  /  燃烧转爆轰  /  到爆轰距离  /  到爆轰时间

For comparison with several methods used to define the location of the onset of detonation, several of experiments were performed to study on the deflagration to detonation transition (DDT) for premixed C2H2+2.5O2 mixture in a shock tube. A high-speed digital camera was used to track the velocities of flame, shock, or detonation wave. In this work, six methods were used to define the location of the onset of detonation, and six different results of the DDT run-up distance (LDDT) and the time of the detonation onset (tDDT) were obtained. It is found that the methods based on the flame emission radiation and the growth trajectory of flame, shock, or detonation wave can accurately define tDDT and LDDT. The onset of detonation defined by the other methods based on the speed of detonation wave might result in some error or underestimated values due to the localized explosion taking place just prior to the generation of detonation.

gaseous detonation wave  /  deflagration to detonation transition  /  DDT run-up distance  /  time of the detonation onset
王建, 段吉员, 赵继波, 谭多望. 可燃气体混合物燃烧转爆轰判据对比分析. 高压物理学报, 2013 , 27 (3) : 385 -390 .
Jian WANG, Ji-Yuan DUAN, Ji-Bo ZHAO, Duo-Wang TAN. Analysis of the Onset of Detonation in the DDT Process for Combustible Mixture[J]. Chinese Journal of High Pressure Physics, 2013 , 27 (3) : 385 -390 .

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2013年第27卷第3期
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  • 接收时间:2011-04-11
  • 首发时间:2026-11-05
  • 出版时间:2013-06-15
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  • 收稿日期:2011-04-11
  • 修回日期:2011-09-15
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    中国工程物理研究院流体物理研究所冲击波物理与爆轰物理实验室,四川 绵阳 621900
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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