| 航空发动机叶片-机匣碰摩过程的数值模拟 |
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| 引用本文： | 刘书国,洪杰,陈萌.航空发动机叶片-机匣碰摩过程的数值模拟[J].航空动力学报,2011,26(6):1282-1288. |
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| 作者姓名： | 刘书国 洪杰 陈萌 |
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| 作者单位： | 北京航空航天大学能源与动力工程学院,北京,100191 |
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| 摘 要： | 提出了基于隐式-显式相结合的积分方法对航空发动机叶片-机匣碰摩过程进行数值模拟,充分考虑了结构的低频线性稳态响应和碰摩引起的高频非线性瞬态响应.以某高压涡轮结构为例,仿真叶片-机匣碰摩的瞬态动力学过程,分析叶片的动力响应特征.研究结果表明:叶片-机匣碰摩过程中将产生影响应力分布的应力波并在叶身传导,碰摩结束后叶片将以低...
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| 关 键 词： | 叶片 碰摩 应力波 动力响应 数值模拟 |
| 收稿时间： | 2010/11/4 0:00:00 |
| 修稿时间： | 3/2/2011 11:53:35 AM |
Numerical simulation of the dynamic process of aero-engine blade-to-case rub-impact |
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| LIU Shu-guo,HONG Jie and CHEN Meng.Numerical simulation of the dynamic process of aero-engine blade-to-case rub-impact[J].Journal of Aerospace Power,2011,26(6):1282-1288. |
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| Authors: | LIU Shu-guo HONG Jie and CHEN Meng |
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| Institution: | LIU Shu-guo,HONG Jie,CHEN Meng(School of Jet Propulsion,Beijing University of Aeronautics and Astronautics,Beijing 100191,China) |
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| Abstract: | Numerical simulation of the dynamic process of aero-engine blade-to-case rub-impact was conducted by explicit-implicit integration scheme.This took full account of low-frequency liner steady-state response and high-frequency nonliner time-transient response due to the rub-impact.By taking the structure of a certain high-pressure turbine as example,the process of blade-to-case rub-impact was simulated,and the dynamic response characteristic of the blade during the process was analyzed.The results show that,t... |
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| Keywords: | blade rub-impact stress wave dynamic response numerical simulation |
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