火箭发动机

In this article taking the attachment polysome contact key question of bearing which is used for some model solid propellant engine as the research background, based on the rolling bearing, applying the non-linear contact question in finite element method, the whole size 3D polysome non-linear finite element analysis under the work load is carried on.

本文以某型号固体火箭发动机轴承类接头多体接触的关键问题为研究背景，基于滚动轴承，采用接触问题的非线性有限元方法，在额定载荷下进行全尺寸三维多体非线性有限元分析。

In this paper we employed the nonlinear finite element method to calculate the stress and bursting pressure of filament wound rocket motor case.

本文采用大变形有限元方法进行纤维缠绕固体火箭发动机壳体的应力及爆破分析。

In this paper we employed the nonlinear finite element method to calculate the stress and bursting pressure of filament wound rocket motor case.

摘 要 本文采用大变形有限元方法进行纤维缠绕固体火箭发动机壳体的应力及爆破分析。

Following conclusions are concerning the strength of filament wound solid rocket motor case:(1) The inter-delamination is important for the strength of the case, and there are many factors, such as, the matrix, the interface, the fiber volume fraction, the fiber arrange pattern, to influence on the delamination.

最终结合宏观、细观两方面的研究和分析，并联系到纤维缠绕固体火箭发动机壳体的强度，可以得到如下结论：（1）壳体的内部脱层是导致壳体强度下降的重要原因，而影响壳体内部脱层的因素除了基体材料外还有界面，纤维的排列阵列、体积分数，壳体的铺层次序等。

Filament winding construction Rocket engine case Finite element method

缠绕结构；火箭发动机壳体；有限元法

Vacuum vessel seal structure used in the leak test of a liquid rocket engine turbopump is discussed.

论述了某型号液体火箭发动机涡轮泵高压低温静密封检漏试验用真空室密封结构的设计问题。

Of the rocket motor, which incorportates the essential element of time, or thrust duration.

该火箭发动机，其中incorportates的基本要素的时间，或推力的时间。

It offers more convenient approach.With grain design and the calculations of pressure --- timeand thrust ? time, the designers of rocket can improve their structure design.

通过药柱的设计和压强——时间曲线和推力——时间曲线的计算，为固体火箭发动机设计、装药强度分析和装药完整性分析提供了有力的支持。

Understanding that portion of a liquid rocket engine is a key to an appreciation of the larger technology.

了解的那部分一液体火箭发动机是一个关键的一个赞赏较大的技术。

Beijing Institute of Liquid Rocket Engine, Beijing, 100076

北京液体火箭发动机研究所，北京，100076

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新