Article(id=1324026676706935105, tenantId=1146029695717560320, journalId=1255847867265597444, issueId=1324026623212790214, 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=1272902400000, receivedDateStr=2010-05-04, revisedDate=1285776000000, revisedDateStr=2010-09-30, acceptedDate=null, acceptedDateStr=null, onlineDate=1793602158953, onlineDateStr=2026-11-02, pubDate=1318608000000, pubDateStr=2011-10-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793602158953, onlineIssueDateStr=2026-11-02, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793602158953, creator=13701087609, updateTime=1793602158953, updator=13701087609, issue=Issue{id=1324026623212790214, tenantId=1146029695717560320, journalId=1255847867265597444, year='2011', volume='25', issue='5', pageStart='385', pageEnd='480', issueExtLink='null', onlineDate='null', pubDate='1318608000000', pubDateStr='2011-10-15', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793602146198, creator='13701087609', updateTime=1793602856645, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1324029603165110532, tenantId=1146029695717560320, journalId=1255847867265597444, issueId=1324026623212790214, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1324029603165110533, tenantId=1146029695717560320, journalId=1255847867265597444, issueId=1324026623212790214, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=429, endPage=434, ext={EN=ArticleExt(id=1324026677625487683, articleId=1324026676706935105, tenantId=1146029695717560320, journalId=1255847867265597444, language=EN, title=Numerical Simulation of Unsteady-State Underexpanded Jet Using Positive Schemes, columnId=null, journalTitle=Chinese Journal of High Pressure Physics, columnName=null, runingTitle=null, highlight=null, articleAbstract=

A numerical simulation of unsteady-state underexpanded jet was carried out using second order positive schemes, which was developed to solve the axisymmetric Euler equations based on two dimensional conservation laws. Computational results indicate that the method can capture the wave structures of jet flowfields including expansion fan, incident shock, reflected shock, Mach disk, jet boundary and the triple point well. Agreements between the numerical results and experimental or existed numerical results are fairly satisfactory. It indicates that the present method has high capability in capturing shocks without numerical oscillation near discontinuous points.

, authors=Sun-Ke ZHU1, Er-Yun CHEN2, Da-Wei MA1, Gui-Gao LE1, authorsList=Sun-Ke ZHU, Er-Yun CHEN, Da-Wei MA, Gui-Gao LE, authorCompany=null, correspAuthors=Da-Wei MA, 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=1324026680125292869, articleId=1324026676706935105, tenantId=1146029695717560320, journalId=1255847867265597444, language=CN, title=非定常欠膨胀射流的正格式数值模拟, columnId=null, journalTitle=高压物理学报, columnName=, runingTitle=null, highlight=null, articleAbstract=

采用二阶正格式方法对非定常欠膨胀射流进行了数值模拟。将二维守恒方程的正格式方法推广到轴对称Euler方程组的求解,并对不同马赫数下的燃气射流进行了数值计算。计算结果表明,该方法能够较好地捕捉到包含膨胀波、入射激波、反射激波、马赫盘、射流边界以及三波点等复杂射流流场的波系结构,与实验照片反映的流动特征以及已有的数值结果相吻合。表明该方法对间断解具有较强的捕捉能力,在激波阵面上不会出现数值振荡。

, authors=朱孙科1, 陈二云2, 马大为1, 乐贵高1, authorsList=朱孙科, 陈二云, 马大为, 乐贵高, authorCompany=null, correspAuthors=马大为, authorNote=

朱孙科(1982—),男,博士研究生,主要从事计算流体力学研究. E-mail:

, correspAuthorsNote=
马大为(1953—),男,教授,博士生导师,主要从事兵器发射理论与技术研究. E-mail:
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非定常欠膨胀射流的正格式数值模拟
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朱孙科 1 , 陈二云 2 , 马大为 1 , 乐贵高 1
高压物理学报 | 2011,25(5): 429-434
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高压物理学报 | 2011 , 25 (5) : 429 -434
非定常欠膨胀射流的正格式数值模拟
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朱孙科1 , 陈二云2, 马大为1 , 乐贵高1
作者信息
  • 1.南京理工大学机械工程学院,江苏 南京 210094
  • 2.上海理工大学能源与动力工程学院,上海 200093
通讯作者:
马大为(1953—),男,教授,博士生导师,主要从事兵器发射理论与技术研究. E-mail:
作者简介:

朱孙科(1982—),男,博士研究生,主要从事计算流体力学研究. E-mail:

Numerical Simulation of Unsteady-State Underexpanded Jet Using Positive Schemes
Sun-Ke ZHU1 , Er-Yun CHEN2, Da-Wei MA1 , Gui-Gao LE1
Affiliations
  • 1.School of Mechanical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
  • 2.School of Energy and Power Engineering, Shanghai University of Science and Technology, Shanghai 200093, China
出版时间: 2011-10-15
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采用二阶正格式方法对非定常欠膨胀射流进行了数值模拟。将二维守恒方程的正格式方法推广到轴对称Euler方程组的求解,并对不同马赫数下的燃气射流进行了数值计算。计算结果表明,该方法能够较好地捕捉到包含膨胀波、入射激波、反射激波、马赫盘、射流边界以及三波点等复杂射流流场的波系结构,与实验照片反映的流动特征以及已有的数值结果相吻合。表明该方法对间断解具有较强的捕捉能力,在激波阵面上不会出现数值振荡。

计算流体力学  /  燃气射流  /  正格式  /  数值模拟

A numerical simulation of unsteady-state underexpanded jet was carried out using second order positive schemes, which was developed to solve the axisymmetric Euler equations based on two dimensional conservation laws. Computational results indicate that the method can capture the wave structures of jet flowfields including expansion fan, incident shock, reflected shock, Mach disk, jet boundary and the triple point well. Agreements between the numerical results and experimental or existed numerical results are fairly satisfactory. It indicates that the present method has high capability in capturing shocks without numerical oscillation near discontinuous points.

computational fluid dynamics  /  gas jet  /  positive schemes  /  numerical simulation
朱孙科, 陈二云, 马大为, 乐贵高. 非定常欠膨胀射流的正格式数值模拟. 高压物理学报, 2011 , 25 (5) : 429 -434 .
Sun-Ke ZHU, Er-Yun CHEN, Da-Wei MA, Gui-Gao LE. Numerical Simulation of Unsteady-State Underexpanded Jet Using Positive Schemes[J]. Chinese Journal of High Pressure Physics, 2011 , 25 (5) : 429 -434 .
  • 国防基础科研资助项目(A2620061288)
  • 上海高校选拔培养优秀青年教师科研专项基金(slg09003)
  • 上海市教育委员会重点学科项目(J50501)
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2011年第25卷第5期
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  • 接收时间:2010-05-04
  • 首发时间:2026-11-02
  • 出版时间:2011-10-15
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出版历史
  • 收稿日期:2010-05-04
  • 修回日期:2010-09-30
基金
国防基础科研资助项目(A2620061288)
上海高校选拔培养优秀青年教师科研专项基金(slg09003)
上海市教育委员会重点学科项目(J50501)
作者信息
    1.南京理工大学机械工程学院,江苏 南京 210094
    2.上海理工大学能源与动力工程学院,上海 200093

通讯作者:

马大为(1953—),男,教授,博士生导师,主要从事兵器发射理论与技术研究. E-mail:
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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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