[1]胡建国,马大为,朱忠领,等.上升器解锁装置对起飞稳定性的影响[J].南京理工大学学报(自然科学版),2014,38(03):375.
 Hu Jianguo,Ma Dawei,Zhu Zhongling,et al.Influences of ascender unlock devices on takeoff stability[J].Journal of Nanjing University of Science and Technology,2014,38(03):375.
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上升器解锁装置对起飞稳定性的影响
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《南京理工大学学报》(自然科学版)[ISSN:1005-9830/CN:32-1397/N]

卷:
38卷
期数:
2014年03期
页码:
375
栏目:
出版日期:
2014-06-30

文章信息/Info

Title:
Influences of ascender unlock devices on takeoff stability
作者:
胡建国1马大为1朱忠领1赵婕2杨风波1
1.南京理工大学 机械工程学院,江苏 南京 210094;2.甘肃林业职业技术学院,甘肃 天水 741020
Author(s):
Hu Jianguo1Ma Dawei1Zhu Zhongling1Zhao Jie2Yang Fengbo1
1.School of Mechanical Engineering,NUST,Nanjing 210094,China; 2.Gansu Forestry Technological College,Tianshui 741020,China
关键词:
航天工程星球探测上升器解锁装置起飞稳定性火箭排气锁紧带材料镁带解锁时间
Keywords:
aerospace engineeringplanetary explorationascendersunlock devicestakeoff stabilityrocket exhaustunlock ribbonsmaterialsmagnesium ribbonunlock time
分类号:
V423.6
摘要:
为研究上升器解锁装置在火箭排气作用下的解锁过程和对起飞稳定性的影响,分析了其结构及工作原理。结合锁紧带的材料性能,采用理论研究与数值计算相结合的方法,研究了上升器解锁装置的解锁机理。对上升器解锁时间进行了预估,并研究了不同解锁时间对上升器起飞稳定性的影响。结果表明:上升器解锁过程中,镁带不会燃烧;热、力共同作用是镁带断裂的主要因素;上升器解锁时间为0.3 s时对上升器起飞稳定性影响最小。
Abstract:
To study the unlocking processes of ascender unlock devices affected by rocket exhaust and their influences on takeoff stability,the structure and working principle are analyzed.The unlocking mechanisms of ascender unlock devices are theoretically studied and numerically calculated considering the material performance of unlock ribbons.The unlock time of ascenders is estimated,and the influences of different unlock time on the takeoff stability of ascenders are studied.The results show that magnesium ribbons don’t burn in the unlock processes of ascenders,and the main factor of magnesium ribbon fracture is the thermal and mechanical interaction,and the minimal influence on the takeoff stability of ascenders occurs when the unlock time is 0.3 s.

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备注/Memo

备注/Memo:
收稿日期:2013-11-29修回日期:2014-03-14
作者简介:胡建国(1986-),男,博士生,主要研究方向:航空航天科学与技术,Email:super-jianguo@163.com;通讯作者:马大为(1953-),男,教授,博士生导师,主要研究方向:兵器系统控制与仿真技术,E-mail:madawei@njust.edu.cn。
引文格式:胡建国,马大为,朱忠领,等.上升器解锁装置对起飞稳定性的影响[J].南京理工大学学报,2014,38(3):375-379.
投稿网址:http://zrxuebao.njust.edu.cn
更新日期/Last Update: 2014-06-30