小型柔性接头推力矢量性能试验

张晓光; 刘宇; 任军学; 杨敬贤; 杨威

小型柔性接头推力矢量性能试验

1.
北京航空航天大学宇航学院,北京 100191
2.
上海航天技术研究院上海航天动力技术研究所,上海 201109

计量
- 文章访问数: 1684
- HTML浏览量: 101
- PDF量: 1267
- 被引次数: 0
出版历程
- 收稿日期: 2012-06-28
- 刊出日期: 2012-12-28

Experimental investigation of miniature flexible joint thrust vector characteristics

1.
School of Astronautics, Beijing University of Aeronautics and Astronautics, Beijing 100191, China
2.
Shanghai Space Propulsion Technology Research Institute, Shanghai Academy of Spaceflight Technology, Shanghai 201109, China

摘要

摘要: 设计了结构尺寸相同,弹性件材料分别为天然橡胶和硅橡胶的小型柔性接头,测试了容压作用下的轴向压缩位移,考察了弹性比力矩随温度(-50～70℃)、容压的变化情况.另外,为检验应力估算经验公式对小型柔性接头的适用性,测试了增强件内侧环向压缩应力.结果表明:柔性接头轴向压缩刚度随容压升高呈现一定程度的非线性增大趋势;弹性比力矩在0°～6°摆角范围内基本恒定,不同柔性接头弹性比力矩随容压升高呈现不同变化趋势;天然橡胶弹性件柔性接头弹性比力矩在低温下显著增大,硅橡胶弹性件柔性接头弹性比力矩在-50～70℃温区稳定;由燃烧室压强引起的增强件环向压缩应力经验公式估算值过大,不适用于小型柔性接头.
- 柔性接头 /
- 推力矢量 /
- 弹性件 /
- 增强件 /
- 弹性力矩
Abstract: Two miniature flexible joints which have the same structure but different elastomer materials (natural rubber and silicone rubber, respectively) were designed.Axial deflection variation due to vessel pressure was tested.Spring torque at various temperatures (-50～70℃) and vessel pressures were also studied.In addition, the reinforcement hoop compressive stress at the inner radius was measured to examine the applicability of existing empirical formulas for miniature flexible joints.Results show that the axial compressive stiffness increases slightly nonlinearly with the vessel pressure, while the spring rate keeps almost constant over the vector angle range from 0°to 6°.Spring rates of different flexible joints experience different variations as the vessel pressure increases.The temperature shows a pronounced effect on the spring rate.For the natural rubber elastomer flexible joint, the spring rate increases significantly at low temperatures.However in the silicone rubber elastomer case, the spring rate remains stable throughout the temperature range from -50℃ to 70℃.The stress empirical formula which would cause give much higher stress due to pressure is not applicable to the miniature flexible joint.
- flexible joint /
- thrust vector /
- elastomer /
- reinforcement /
- spring torque

HTML

参考文献(15)

[1]	林培基,高峰.推力矢量对防空导弹作战效能的影响[J].飞航导弹,2009(1):56-57,64.
[2]	吉礼超,宋贵宝.防空导弹控制方法的研究现状及展望[J].战术导弹技术,2009(3):54-59.JI Lichao,SONG Guibao.Current study status and future prospect of control mode of air-defense missile[J].Tactical Missile Technology,2009(3):54-59.(in Chinese)
[3]	Herbst W B.Dynamics of air combat[J].Journal of Aircraft,1982,20(7):594-598.
[4]	Danielson A O,Dillinger R B.Investigation of thrust vector control for high-alpha pitchover[R].AGARD CP-451,1988.
[5]	Wassom S R,Faupell L C,Perley T.Integrated aerofin/thrust vector control for tactical missiles[J].Journal of Propulsion and Power,1991,7(3):374-381.
[6]	Caveny L H,Geisler R L,Ellis R A,et al.Solid rocket enabling technologies and milestones in the United States[J].Journal of Propulsion and Power,2003,19(6):1038-1066.
[7]	Olsen K E,Walsh J J,Thomas E L.Navy Terrier LEAP third-stage propulsion[R].Monterey,CA:AIAA Missile Sciences Conference,1994.
[8]	Uhrig G,Roussille C.Design drivers and technologies for solid propulsion of interceptors[R].Arcachon,France:1st AAAF International Conference on Missile Defense,2003.
[9]	Avio.Aster 30[EB/OL].[2012-03-28].http://www.aviogroup.com/files/catalog/pdf/motore_per_aster_30_25.pdf.
[10]	Avio.Tactical propulsion[EB/OL].[2012-03-28].http://www.aviogroup.com/en/catalog/space/propulsione_tattica.
[11]	Shani S,Putter S,Peretz A.Development of a high-performance flexible joint for thrust vector control[R].AIAA-95-3017,1995.
[12]	Woodberry R F H,Zeamer R J.Solid rocket thrust vector control[R].NASA SP-8114,1974.
[13]	Woodberry R F H.Flexible joint for thrust vector control[R].AIAA-75-1221,1975.
[14]	叶蔚嫦.桥梁板式橡胶支座剪切模量测试方法研究及抗压弹性模量测试系统刚度分析[D].杭州:浙江工业大学,2005.YE Weichang.The study for the shear test method of the elastomeric bearings for bridge and stiffness of testing system[D].Hangzhou:Zhejiang University of Technology,2005.(in Chinese)
[15]	ZHANG Xiaoguang,LIU Yu,REN Junxue,et al.Nonlinear finite element analysis of the SRM flexible joint[R].AIAA 2012-1453,2012.