Article(id=1325115826558345623, tenantId=1146029695717560320, journalId=1255847867265597444, issueId=1325115076461592627, 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=1299772800000, receivedDateStr=2011-03-11, revisedDate=1302278400000, revisedDateStr=2011-04-09, acceptedDate=null, acceptedDateStr=null, onlineDate=1793861832513, onlineDateStr=2026-11-05, pubDate=1355500800000, pubDateStr=2012-12-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793861832513, onlineIssueDateStr=2026-11-05, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793861832513, creator=13701087609, updateTime=1793861832513, updator=13701087609, issue=Issue{id=1325115076461592627, tenantId=1146029695717560320, journalId=1255847867265597444, year='2012', volume='26', issue='6', pageStart='601', pageEnd='720', issueExtLink='null', onlineDate='null', pubDate='1355500800000', pubDateStr='2012-12-15', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793861653676, creator='13701087609', updateTime=1793861653676, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=621, endPage=626, ext={EN=ArticleExt(id=1325115828248650136, articleId=1325115826558345623, tenantId=1146029695717560320, journalId=1255847867265597444, language=EN, title=Hypervelocity Impact Experiment and Simulation for Ejecta, columnId=null, journalTitle=Chinese Journal of High Pressure Physics, columnName=null, runingTitle=null, highlight=null, articleAbstract=

With more and more frequently increasing of human's space activities, ejecta produced by micrometeoroid and small space debris impacting on spacecraft surface will also further affect the space debris environment. The ground experiments and numerical simulations about aluminum sphere projectile hypervelocity impacting on 5A06 aluminum plate were carried out in this work. The mean value of the special ejecta parameters, such as the mean velocity of ejecta, the mean size of ejecta, the mean ejected angle of ejecta, were studied, setting up a foundation for constructing the space debris environment model for ejecta. In this paper, multiple regression method was used to obtain the relation among the mean velocity of ejecta, the impact velocity, and the size of the projectile. The results show that SPH (Smoothed Particle Hydrodynamics) can be effectively used in numerically simulating the mean velocity of ejecta, the mean size of ejecta and the mean ejected angle of ejecta; the mean velocity of ejecta increases with the impact velocity, and the size of the projectile; the ejecta in the process of material ejection can obey cone shape approximately, and the mean ejected angle is nearly 41° but basically unaffected by the impact velocity and the size of the projectile.

, authors=Wei ZHENG, Bao-Jun PANG, Ke-Ke PENG, Min LIN, Xiang FU, authorsList=Wei ZHENG, Bao-Jun PANG, Ke-Ke PENG, Min LIN, Xiang FU, 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=1325115830794592668, articleId=1325115826558345623, tenantId=1146029695717560320, journalId=1255847867265597444, language=CN, title=超高速正撞击溅射物实验与仿真研究, columnId=0, journalTitle=高压物理学报, columnName=, runingTitle=null, highlight=null, articleAbstract=

随着人类航天活动日益频繁,由微流星体和空间微小碎片超高速撞击航天器表面反溅生成的溅射物,对空间碎片环境的影响将越来越大。利用2017-T4铝合金球弹丸超高速正撞击5A06铝合金靶板进行了地面模拟实验与数值仿真计算,研究了反溅碎片特性参数,其中包括溅射物的平均速度、平均尺寸、平均溅射角,为空间碎片溅射物模型的建立奠定基础。采用多元回归方法,确定了溅射物平均速度与弹丸速度、弹丸尺寸之间的函数关系。研究表明,利用光滑粒子法(SPH)进行数值仿真计算,可以有效模拟溅射物平均尺寸、平均速度、平均溅射角;溅射物平均速度随弹丸速度、弹丸尺寸的增加而增加;溅射物基本呈圆锥形反溅,溅射物平均溅射角在41°左右,基本不受弹丸速度、弹丸尺寸的影响。

, authors=郑伟, 庞宝君, 彭科科, 林敏, 傅翔, authorsList=郑伟, 庞宝君, 彭科科, 林敏, 傅翔, authorCompany=null, correspAuthors=null, authorNote=

郑伟(1986—),男,博士研究生,主要从事超高速冲击动力学、航天器防护研究等相关工作. E-mail:

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郑伟(1986—),男,博士研究生,主要从事超高速冲击动力学、航天器防护研究等相关工作. E-mail:

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郑伟(1986—),男,博士研究生,主要从事超高速冲击动力学、航天器防护研究等相关工作. E-mail:

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超高速正撞击溅射物实验与仿真研究
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郑伟 , 庞宝君 , 彭科科 , 林敏 , 傅翔
高压物理学报 | 2012,26(6): 621-626
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高压物理学报 | 2012 , 26 (6) : 621 -626
超高速正撞击溅射物实验与仿真研究
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郑伟 , 庞宝君, 彭科科, 林敏, 傅翔
作者信息
  • 哈尔滨工业大学航天学院,黑龙江 哈尔滨 150080
作者简介:

郑伟(1986—),男,博士研究生,主要从事超高速冲击动力学、航天器防护研究等相关工作. E-mail:

Hypervelocity Impact Experiment and Simulation for Ejecta
Wei ZHENG , Bao-Jun PANG, Ke-Ke PENG, Min LIN, Xiang FU
Affiliations
  • School of Astronautics, Harbin Institute of Technology, Harbin 150080, China
出版时间: 2012-12-15
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随着人类航天活动日益频繁,由微流星体和空间微小碎片超高速撞击航天器表面反溅生成的溅射物,对空间碎片环境的影响将越来越大。利用2017-T4铝合金球弹丸超高速正撞击5A06铝合金靶板进行了地面模拟实验与数值仿真计算,研究了反溅碎片特性参数,其中包括溅射物的平均速度、平均尺寸、平均溅射角,为空间碎片溅射物模型的建立奠定基础。采用多元回归方法,确定了溅射物平均速度与弹丸速度、弹丸尺寸之间的函数关系。研究表明,利用光滑粒子法(SPH)进行数值仿真计算,可以有效模拟溅射物平均尺寸、平均速度、平均溅射角;溅射物平均速度随弹丸速度、弹丸尺寸的增加而增加;溅射物基本呈圆锥形反溅,溅射物平均溅射角在41°左右,基本不受弹丸速度、弹丸尺寸的影响。

空间碎片  /  溅射物  /  超高速撞击  /  数值仿真  /  光滑粒子法

With more and more frequently increasing of human's space activities, ejecta produced by micrometeoroid and small space debris impacting on spacecraft surface will also further affect the space debris environment. The ground experiments and numerical simulations about aluminum sphere projectile hypervelocity impacting on 5A06 aluminum plate were carried out in this work. The mean value of the special ejecta parameters, such as the mean velocity of ejecta, the mean size of ejecta, the mean ejected angle of ejecta, were studied, setting up a foundation for constructing the space debris environment model for ejecta. In this paper, multiple regression method was used to obtain the relation among the mean velocity of ejecta, the impact velocity, and the size of the projectile. The results show that SPH (Smoothed Particle Hydrodynamics) can be effectively used in numerically simulating the mean velocity of ejecta, the mean size of ejecta and the mean ejected angle of ejecta; the mean velocity of ejecta increases with the impact velocity, and the size of the projectile; the ejecta in the process of material ejection can obey cone shape approximately, and the mean ejected angle is nearly 41° but basically unaffected by the impact velocity and the size of the projectile.

space debris  /  ejecta  /  hypervelocity impact  /  simulation  /  smoothed particle hydrodynamics
郑伟, 庞宝君, 彭科科, 林敏, 傅翔. 超高速正撞击溅射物实验与仿真研究. 高压物理学报, 2012 , 26 (6) : 621 -626 .
Wei ZHENG, Bao-Jun PANG, Ke-Ke PENG, Min LIN, Xiang FU. Hypervelocity Impact Experiment and Simulation for Ejecta[J]. Chinese Journal of High Pressure Physics, 2012 , 26 (6) : 621 -626 .
  • 国家空间碎片专题项目(KJSP06211)
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2012年第26卷第6期
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  • 接收时间:2011-03-11
  • 首发时间:2026-11-05
  • 出版时间:2012-12-15
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  • 收稿日期:2011-03-11
  • 修回日期:2011-04-09
基金
国家空间碎片专题项目(KJSP06211)
作者信息
    哈尔滨工业大学航天学院,黑龙江 哈尔滨 150080
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2种不同金属材料的力学参数
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genus
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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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