航天推进技术研究院主办
[1]柳长安,吴宝元,杨铁成.进气道俯仰振荡状态的非定常数值仿真[J].火箭推进,2008,34(03):23-26.
Liu Chang'an,Wu Baoyuan,Yang Tiecheng.Unsteady simulation of the pitching intake[J].Journal of Rocket Propulsion,2008,34(03):23-26.
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Liu Chang'an,Wu Baoyuan,Yang Tiecheng.Unsteady simulation of the pitching intake[J].Journal of Rocket Propulsion,2008,34(03):23-26.
进气道俯仰振荡状态的非定常数值仿真
《火箭推进》[ISSN:1672-9374/CN:CN 61-1436/V]
卷:
34
期数:
2008年03期
页码:
23-26
栏目:
研究与设计
出版日期:
2008-06-30
- Title:
- Unsteady simulation of the pitching intake
- 关键词:
- 进气道; 俯仰振荡; 非定常; Navier-Stokes方程
- Keywords:
- intake; pitching; unsteady; Navier-Stokes equation
- 分类号:
- V430
- 文献标志码:
- A
- 摘要:
- 为研究进气道俯仰振荡状态时的性能．耦合求解俯仰振荡运动和非定常Navier— Stokes方程，对平衡攻角为0。、振荡幅值为15。的进气道非定常流场进行了数值仿真。结果表 明：在俯仰振荡状态下，进气道的性能发生周期性变化。存在一个类似于领结形状的滞环。
- Abstract:
- To study the intake capacity in the pitching condition，this paper simulates the intake unsteady pitching flow by solving the unsteady Navier-Stokes equations coupled with the motion e— quation，in which the motion is pitching around the static trim attack angle of zero degree with the amplitude of fifteen degree．The simulation result shows that the unsteady flow changes with a periodicity and the intake capacity varies along a hysteresis loop which looks like a tie．
参考文献/References:
[1]刘兴洲．飞航导弹动力装置[M]．北京：宇航出版社，1992．
[2]Weiss J M，Maruszewski J P'Smith W A．Implicit Solution
of the Navier-Stokes Equations on Unstructured Meshes
[R]．AIAA-97-2103．
[3]田书玲，伍贻兆，夏健．基于非结构重叠网格的二维外挂
物投放模拟[J]．空气动力学报，2007，(2)：245—249．
[4]张军，谭俊杰，任登凤．副油箱从机翼分离流场的数值模
拟[J]．自然科学进展．2006，(8)：1033—1037．
[5]柳长安，吴宝元，王玉峰．冲压发动机转级流场数值仿真
研究[J]．火箭推进．2007，(33)：18-21．
[6]张涵信，袁先旭，叶友达，等．飞船返回舱俯仰振荡的动态
稳定性研究[J]．空气动力学学报．2002，(20)：247—259．
[7]李其畅，伍开元，郑世华，等．高速风洞大振幅俯仰动态
试验技术研究[J]．流体力学实验与测量．2004，(18)：67-
71．
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备注/Memo
收稿日期：2008—03—14；修回日期：2008—04—25。 作者简介：柳长安(1974一)。男，博士，研究领域为冲压发动机总体设计。
更新日期/Last Update:
1900-01-01