航天推进技术研究院主办
[1]艾春安,高利荣,吴安法.固体火箭发动机多层结构壳体的
导波频散特性分析[J].火箭推进,2008,34(05):16-21.
Ai Chun'an,Gao Lirong,Wu Anfa.Analysis of dispersive characteristics of guided waves for multi-layered structure of solid rocket motor shell[J].Journal of Rocket Propulsion,2008,34(05):16-21.
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Ai Chun'an,Gao Lirong,Wu Anfa.Analysis of dispersive characteristics of guided waves for multi-layered structure of solid rocket motor shell[J].Journal of Rocket Propulsion,2008,34(05):16-21.
固体火箭发动机多层结构壳体的 导波频散特性分析
《火箭推进》[ISSN:1672-9374/CN:CN 61-1436/V]
卷:
34
期数:
2008年05期
页码:
16-21
栏目:
研究与设计
出版日期:
2008-10-30
- Title:
- Analysis of dispersive characteristics of guided waves for multi-layered structure of solid rocket motor shell
- 分类号:
- V435
- 文献标志码:
- A
- 摘要:
- 应用全局矩阵法，推导了多层结构壳体的导波频散方程，并分别针对固体火箭 发动机四种不同层数的壳体导波频散曲线进行了求解，发现当结构层数和第一层厚度增加时， 各模式曲线的间隔缩小。曲线数目增加，并有向零频方向靠拢的趋势。同时研究了粘接质量 变化对频散特征的影响，随着胶层质量相对变差，频散曲线总体向左漂移。
- Abstract:
- It is an efficient method to detect multi-layered structure of solid rocket motor by guided wave．This paper made use of global matrix method，inferred the dispersion equation of mul— ti-layered structure shell．The dispersion curve of four different layer's quantity of shell structures are computed．It shows that with the increase of layer's quantity and the first layer's thickness，the distance between different model curve will decrease。the curve's quantity will increasc，the curves are totally close to zero frequency．This paper also studied the influence of glue layer's quality on dispersion curve．It is found that the curves shift to left when the glue layer goes to bad．
参考文献/References:
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备注/Memo
收稿日期：2008—07—17；修回日期：2008-08-04。 作者简介：艾春安(1964～)，男，教授，博导，研究领域为无损检测技术。
更新日期/Last Update:
1900-01-01