Article(id=1323357936864600133, tenantId=1146029695717560320, journalId=1255847867265597444, issueId=1323357913695268984, 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=1052150400000, receivedDateStr=2003-05-06, revisedDate=1058716800000, revisedDateStr=2003-07-21, acceptedDate=null, acceptedDateStr=null, onlineDate=1793442718949, onlineDateStr=2026-10-31, pubDate=1078416000000, pubDateStr=2004-03-05, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793442718949, onlineIssueDateStr=2026-10-31, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793442718949, creator=13701087609, updateTime=1793442718949, updator=13701087609, issue=Issue{id=1323357913695268984, tenantId=1146029695717560320, journalId=1255847867265597444, year='2004', volume='18', issue='1', pageStart='1', pageEnd='96', issueExtLink='null', onlineDate='null', pubDate='1078416000000', pubDateStr='2004-03-05', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793442713426, creator='13701087609', updateTime=1793442858910, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1323358523970695890, tenantId=1146029695717560320, journalId=1255847867265597444, issueId=1323357913695268984, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1323358523970695891, tenantId=1146029695717560320, journalId=1255847867265597444, issueId=1323357913695268984, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=40, endPage=46, ext={EN=ArticleExt(id=1323357937032372294, articleId=1323357936864600133, tenantId=1146029695717560320, journalId=1255847867265597444, language=EN, title=Two-Dimensional Simulation of Transient Detonation Process for H2-O2-N2 Mixture, columnId=null, journalTitle=Chinese Journal of High Pressure Physics, columnName=null, runingTitle=null, highlight=null, articleAbstract=

By solving the two-dimensional Euler equations coupled with the chemistry, a numerical simulation of transient detonation process induced by flame for H2-O2-N2 mixture was performed, and a detailed chemical mechanism for H2-O2-N2 system, which included 19 element reactions and 9 species, was involved. A splitting operator method was used to treat separately the hydrodynamical process and chemical process in the detonation simulation. The TVD scheme was used to capture the detonation wave and the Gear algorithm was used to solve the chemical reaction. The calculated results show that combustion rate of flame can be accelerated and lead to the occurrence of detonation when the initial mole fraction ratio of the mixture is H2∶O2∶N2=0.4∶0.4∶0.2 and the initial nondimensional temperature is T/T0=5.3, the detonation wave can be propagated steadily with the detonation velocity of 2300 m/s. The reflection of the detonation wave can be observed. In addition, the variations of species concentrations and temperature behind the detonation wave were also discussed in order to understand the inherent structure behind the detonation wave.

, authors=Gang DONG, Bao-Chun FAN, Bo XIE, authorsList=Gang DONG, Bao-Chun FAN, Bo XIE, 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=1323357937246281799, articleId=1323357936864600133, tenantId=1146029695717560320, journalId=1255847867265597444, language=CN, title=氢气-空气混合物中瞬态爆轰过程的二维数值模拟, columnId=0, journalTitle=高压物理学报, columnName=, runingTitle=null, highlight=null, articleAbstract=

对高温火团引发的氢气-空气混合气的瞬态爆轰过程进行了二维数值模拟,考虑了H2-O2-N2的详细化学反应动力学机理,该机理包含了19个基元反应和9种组分。采用分裂格式处理带化学反应的Euler方程,其中使用全耦合的TVD格式求解流场,使用基于Gear算法的微分方程解法器求解化学反应过程。计算结果表明:在H2∶O2∶N2=0.4∶0.4∶0.2(摩尔比)的混合气中,高温气团初始温度为T/T0=5.3时可诱导爆轰,爆轰波以2300 m/s的速度传播,同时爆轰波阵面在管壁会形成反射波。还对计算的爆轰波后组分的浓度和温度进行了讨论,为理解爆轰波后结构提供信息。

, authors=董刚, 范宝春, 谢波, authorsList=董刚, 范宝春, 谢波, authorCompany=null, correspAuthors=null, authorNote=

董刚(1970—),男,博士,副教授,主要研究方向为燃烧理论与技术、爆炸力学. E-mail:

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董刚(1970—),男,博士,副教授,主要研究方向为燃烧理论与技术、爆炸力学. E-mail:

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氢气-空气混合物中瞬态爆轰过程的二维数值模拟
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董刚 , 范宝春 , 谢波
高压物理学报 | 2004,18(1): 40-46
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高压物理学报 | 2004 , 18 (1) : 40 -46
氢气-空气混合物中瞬态爆轰过程的二维数值模拟
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董刚 , 范宝春, 谢波
作者信息
  • 南京理工大学动力工程学院,江苏 南京 210094
作者简介:

董刚(1970—),男,博士,副教授,主要研究方向为燃烧理论与技术、爆炸力学. E-mail:

Two-Dimensional Simulation of Transient Detonation Process for H2-O2-N2 Mixture
Gang DONG , Bao-Chun FAN, Bo XIE
Affiliations
  • Institute of Power Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
出版时间: 2004-03-05
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对高温火团引发的氢气-空气混合气的瞬态爆轰过程进行了二维数值模拟,考虑了H2-O2-N2的详细化学反应动力学机理,该机理包含了19个基元反应和9种组分。采用分裂格式处理带化学反应的Euler方程,其中使用全耦合的TVD格式求解流场,使用基于Gear算法的微分方程解法器求解化学反应过程。计算结果表明:在H2∶O2∶N2=0.4∶0.4∶0.2(摩尔比)的混合气中,高温气团初始温度为T/T0=5.3时可诱导爆轰,爆轰波以2300 m/s的速度传播,同时爆轰波阵面在管壁会形成反射波。还对计算的爆轰波后组分的浓度和温度进行了讨论,为理解爆轰波后结构提供信息。

爆轰波  /  化学反应机理  /  数值模拟

By solving the two-dimensional Euler equations coupled with the chemistry, a numerical simulation of transient detonation process induced by flame for H2-O2-N2 mixture was performed, and a detailed chemical mechanism for H2-O2-N2 system, which included 19 element reactions and 9 species, was involved. A splitting operator method was used to treat separately the hydrodynamical process and chemical process in the detonation simulation. The TVD scheme was used to capture the detonation wave and the Gear algorithm was used to solve the chemical reaction. The calculated results show that combustion rate of flame can be accelerated and lead to the occurrence of detonation when the initial mole fraction ratio of the mixture is H2∶O2∶N2=0.4∶0.4∶0.2 and the initial nondimensional temperature is T/T0=5.3, the detonation wave can be propagated steadily with the detonation velocity of 2300 m/s. The reflection of the detonation wave can be observed. In addition, the variations of species concentrations and temperature behind the detonation wave were also discussed in order to understand the inherent structure behind the detonation wave.

detonation wave  /  chemical reaction mechanism  /  numerical simulation
董刚, 范宝春, 谢波. 氢气-空气混合物中瞬态爆轰过程的二维数值模拟. 高压物理学报, 2004 , 18 (1) : 40 -46 .
Gang DONG, Bao-Chun FAN, Bo XIE. Two-Dimensional Simulation of Transient Detonation Process for H2-O2-N2 Mixture[J]. Chinese Journal of High Pressure Physics, 2004 , 18 (1) : 40 -46 .
  • 国家自然科学基金重点项目(19832030)
  • 南京理工大学科研发展基金(AB41411)
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2004年第18卷第1期
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  • 接收时间:2003-05-06
  • 首发时间:2026-10-31
  • 出版时间:2004-03-05
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出版历史
  • 收稿日期:2003-05-06
  • 修回日期:2003-07-21
基金
国家自然科学基金重点项目(19832030)
南京理工大学科研发展基金(AB41411)
作者信息
    南京理工大学动力工程学院,江苏 南京 210094
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https://castjournals.cast.org.cn/joweb/gywlxb/CN/1323357936864600133
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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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