复合喷管热结构耦合计算的一种策略

郑晓亚; 陈凤明; 蔡飞超

复合喷管热结构耦合计算的一种策略

西北工业大学航天学院,西安 710072

基金项目: 2009年航天支撑基金

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出版历程
- 收稿日期: 2009-11-23
- 修回日期: 2010-04-08
- 刊出日期: 2011-01-28

Strategy of thermo-structure coupled computation for composite nozzle

School of Astronautics, Northwestern Polytechnical University,Xian 710072,China

摘要

摘要: 基于流固耦合完成复合喷管流动换热、传热过程温度场的数值模拟,编写了计算流体动力学(CFD)与有限单元法(FEM)的接口程序,快速实现温度载荷和机械载荷数据的传递,提出了复合喷管热结构耦合计算一种策略.利用直接约束法考虑了复合喷管部件界面间高温碳化带来的边界非线性因素.计算结果表明耦合方法得到的复合喷管温度场是合理的,高温下界面间结构功能退化问题对于变形特征以及应力场影响很显著.
- 复合喷管 /
- 流固耦合 /
- 耦合传热 /
- 温度场 /
- 边界非线性
Abstract: Temperature field on flow and heat transfer process for composite nozzle was simulated based on fluid-structure coupled method.While the interface program of computational fluid dynamics (CFD) and finite element method (FEM) were complied,the temperature load and mechanical data transfer was realized rapidly.Then a strategy of thermo-structure coupled computation for composite nozzle was put forward.Direct constraint procedure solved the boundary nonlinear problem caused by carbonization of component interfaces under high temperature.The results show that temperature field computation by coupled method is reasonable and the boundary nonlinear problem has strong influence on the deformation character and stress fields.
- composite nozzle /
- fluid-structure coupled /
- coupled heat transfer /
- temperature field /
- boundary nonlinearity

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参考文献(12)

[1]	陈汝训.固体火箭发动机设计与研究[M].北京:宇航出版社,1991.
[2]	田四朋,唐国金,李道奎,等.固体火箭发动机喷管结构完整性分析[J].固体火箭技术,2005,28(3):180-183. TIAN Sipeng,TANG Guojin,LI Daokui,et al.Analysis on nozzle structure integrality of solid rocket motors[J].Journal of Solid Rocket Technology,2005,28(3):180-183.(in Chinese)
[3]	Goyal V K,Rome J I,Schubel P M.Structural analysis of solid rocket motor .AIAA 2008-2110,2008.
[4]	相升海,孙菊芳.喷管结构变形过程仿真[J].推进技术,1995,16(4):40-44. XIANG Shenghai,SUN Jufang.Imitation of deforming process of nozzle structure[J].Journal of Propulsion Technology,1995,16(4):40-44.(in Chinese)
[5]	沈勇.碳/碳固体火箭发动机柔性喷管热及热-结构耦合作用研究 .武汉:华中科技大学,2004. SHEN Yong.Thermal analysis and thermal-structure coupled analysis of the carbon-carbon nozzle in solid rocket motor .Wuhan:Huazhong University of Science and Technology,2004.(in Chinese)
[6]	熊永亮,郜冶.喷管温度与应力场的数值研究[J].哈尔滨工程大学学报,2007,28(8):852-855. XIONG Yongliang,GAO Ye.Numerical study of temperature and stress fields of nozzles[J].Journal of Harbin Engineering University,2007,28(8):852-855.(in Chinese)
[7]	张小英,蔡国飙,朱定强.火箭发动机喷管辐射及壁温的计算研究[J].航空动力学报,2008,23(1):195-200. ZHANG Xiaoying,CAI Guobiao,ZHU Dingqiang.Numerical calculation of the radiative heat transfer and wall temperature of the rocket nozzle[J].Journal of Aerospace Power,2008,23(1):195-200.(in Chinese)
[8]	Fluent Inc.Fluent 5 user’s guid[M].Lebanon,NH:Fluent Inc.,1998.
[9]	苏铭德,黄素逸.计算流体力学基础[M].北京:清华大学出版社,1997. SU Mingde,HUANG Suyi.Basic of computational fluid dynamics[M].Beijing:Tsinghua University Press,1997.(in Chinese)
[10]	陶文铨.数值传热学[M].西安:西安交通大学出版社,2001. TAO Wenquan.Numerical heat transfer[M].Xi’an:Xi’an Jiaotong University Press,2001.(in Chinese)
[11]	黄宏艳,王强.轴对称喷管内外流场与结构温度场耦合计算[J].推进技术,2008,29(2):194-198. HUANG Hongyan,WANG Qiang.Coupled numerical study of flow field and heated structure for axisymmetric nozzles[J].Journal of Propulsion Technology,2008,29(2):194-198.(in Chinese)
[12]	MSC Software Corporation.Marc:Volume A—Theory and user information[M].USA:MSC Software Corporation, 2001.