Article(id=1324025118317486084, tenantId=1146029695717560320, journalId=1255847867265597444, issueId=1324025103306072959, 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=1246032000000, receivedDateStr=2009-06-27, revisedDate=1257955200000, revisedDateStr=2009-11-12, acceptedDate=null, acceptedDateStr=null, onlineDate=1793601787404, onlineDateStr=2026-11-02, pubDate=1281801600000, pubDateStr=2010-08-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793601787404, onlineIssueDateStr=2026-11-02, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793601787404, creator=13701087609, updateTime=1793601787404, updator=13701087609, issue=Issue{id=1324025103306072959, tenantId=1146029695717560320, journalId=1255847867265597444, year='2010', volume='24', issue='4', pageStart='241', pageEnd='320', issueExtLink='null', onlineDate='null', pubDate='1281801600000', pubDateStr='2010-08-15', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793601783825, creator='13701087609', updateTime=1793602712251, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1324028997528584361, tenantId=1146029695717560320, journalId=1255847867265597444, issueId=1324025103306072959, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1324028997528584362, tenantId=1146029695717560320, journalId=1255847867265597444, issueId=1324025103306072959, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=305, endPage=310, ext={EN=ArticleExt(id=1324025118569144325, articleId=1324025118317486084, tenantId=1146029695717560320, journalId=1255847867265597444, language=EN, title=Experimental Study on the Generating Condition of Over-Detonation during the Gaseous DDT, columnId=null, journalTitle=Chinese Journal of High Pressure Physics, columnName=null, runingTitle=null, highlight=null, articleAbstract=

To verify the three current international views on the generating condition of over-detonation during gaseous deflagration-to-detonation transition (DDT), the DDT process of gaseous hydrogen-oxygen mixture was experimentally studied by using pressure sensors. The whole pressure histories of gaseous DDT from detonation to DDT and then to stable detonation were obtained. The experimental results showed that the generation of DDT requires certain physico-chemical conditions, and for certain initial pressure conditions, the transformation time (or distance) decreases firstly and then increases with increasing concentration of hydrogen. The peak pressure in over-detonation is about 1.5~2 times as much as that in the stable detonation.

, authors=Ji-Yuan DUAN, Jian WANG, Zhi HE, authorsList=Ji-Yuan DUAN, Jian WANG, Zhi HE, 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=1324025118900494342, articleId=1324025118317486084, tenantId=1146029695717560320, journalId=1255847867265597444, language=CN, title=气相DDT中过爆轰现象产生条件的实验研究, columnId=0, journalTitle=高压物理学报, columnName=, runingTitle=null, highlight=null, articleAbstract=

针对目前国际上关于气相过爆轰产生条件的3种不同观点,利用压力传感器,实验研究了氢氧混合物的爆燃转爆轰(DDT)全过程。获得了比较完整的、能反映气相DDT从爆燃成长为过爆轰再衰减为稳定爆轰的全过程压力变化曲线。分析实验结果表明,氢氧混合物的DDT过程中,过爆轰的产生需要一定条件;在初始压力一定的情况下,氢氧混合物DDT过程的转变时间或距离随氢气浓度的增加,先减小后增大,过爆轰的压力峰值约为稳定爆轰压力的1.5~2倍。

, authors=段吉员, 王建, 何智, authorsList=段吉员, 王建, 何智, authorCompany=null, correspAuthors=null, authorNote=

段吉员(1976—),男,硕士,助理研究员,主要从事爆轰基础研究. E-mail:

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段吉员(1976—),男,硕士,助理研究员,主要从事爆轰基础研究. E-mail:

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气相DDT中过爆轰现象产生条件的实验研究
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段吉员 , 王建 , 何智
高压物理学报 | 2010,24(4): 305-310
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高压物理学报 | 2010 , 24 (4) : 305 -310
气相DDT中过爆轰现象产生条件的实验研究
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段吉员 , 王建, 何智
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国防科技重点实验室,四川 绵阳 621900
作者简介:

段吉员(1976—),男,硕士,助理研究员,主要从事爆轰基础研究. E-mail:

Experimental Study on the Generating Condition of Over-Detonation during the Gaseous DDT
Ji-Yuan DUAN , Jian WANG, Zhi HE
Affiliations
  • National Key Laboratory of Shock Wave and Detonation Physics, Institute of Fluid Physics, CAEP, Mianyang 621900, China
出版时间: 2010-08-15
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针对目前国际上关于气相过爆轰产生条件的3种不同观点,利用压力传感器,实验研究了氢氧混合物的爆燃转爆轰(DDT)全过程。获得了比较完整的、能反映气相DDT从爆燃成长为过爆轰再衰减为稳定爆轰的全过程压力变化曲线。分析实验结果表明,氢氧混合物的DDT过程中,过爆轰的产生需要一定条件;在初始压力一定的情况下,氢氧混合物DDT过程的转变时间或距离随氢气浓度的增加,先减小后增大,过爆轰的压力峰值约为稳定爆轰压力的1.5~2倍。

气相爆燃转爆轰  /  过爆轰  /  产生条件  /  实验研究

To verify the three current international views on the generating condition of over-detonation during gaseous deflagration-to-detonation transition (DDT), the DDT process of gaseous hydrogen-oxygen mixture was experimentally studied by using pressure sensors. The whole pressure histories of gaseous DDT from detonation to DDT and then to stable detonation were obtained. The experimental results showed that the generation of DDT requires certain physico-chemical conditions, and for certain initial pressure conditions, the transformation time (or distance) decreases firstly and then increases with increasing concentration of hydrogen. The peak pressure in over-detonation is about 1.5~2 times as much as that in the stable detonation.

gaseous deflagration-to-detonation transition  /  over-detonation  /  generating condition  /  experimental study
段吉员, 王建, 何智. 气相DDT中过爆轰现象产生条件的实验研究. 高压物理学报, 2010 , 24 (4) : 305 -310 .
Ji-Yuan DUAN, Jian WANG, Zhi HE. Experimental Study on the Generating Condition of Over-Detonation during the Gaseous DDT[J]. Chinese Journal of High Pressure Physics, 2010 , 24 (4) : 305 -310 .

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2010年第24卷第4期
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  • 接收时间:2009-06-27
  • 首发时间:2026-11-02
  • 出版时间:2010-08-15
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  • 收稿日期:2009-06-27
  • 修回日期:2009-11-12
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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国防科技重点实验室,四川 绵阳 621900
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2种不同金属材料的力学参数
科
Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)
属
Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
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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