火箭研究

Investigated charring erosive characters of internal insulation of solid rocket motor under flight acceleration.

研究了固体火箭发动机内绝热层在飞行加速度条件下的炭化烧蚀特性。

At the same time , we colligated general math models and solving methods of reliability which are on using now .

结构可靠性设计是固体火箭发动机研究工作中的重要内容。

Saucier had expertise in the huge pumps that feed propellant to the engines of the space shuttle, and he knew three NASA engineers who could help.

苏西尔对火箭推进器上推送燃料的巨泵研究颇深，他还认识三个可以帮得上忙得NASA工程师。

Slow: Look! My children, this is the new weapon I invented. We can use this to send the wolfs to another planet!

观我研究发明的新武器，我们可以把他们绑到火箭上发射到另一个星球去。

The method and precision of trajectory identification of a range correction fuze based on projectile of compound extended range by base bleed and rocket were studied.

研究了用于底排/火箭复合增程榴弹射程修正引信的弹道辨识方法以及辨识精度。

A cold-flow simulation experiment is accomplished, in order to study back-wall flowfield features around submerged nozzle of solid rocket motors.

为了研究固体火箭发动机潜入喷管背壁流场的特点，设计了一种冷模拟实验装置。

Finally, the techniques of time-serial measurement for transient flow field, three-dimensiqonal tomography, computer image processing and the theories above quantitative calculation studied in the thesis are used to measure the free jet flow field of real rocket, the flow field of bore nozlle, impingment field of exhusted jet, three-dimensional flow field in hypersonic shock tunnel, the flow field of boundary layer transition, explosive and combustion flow field of detonating powder and 3-D temperature field.

最后，利用本文所研究的瞬态流场时间序列定量测试技术，三维C.T技术，计算机图像处理技术和定量计算理论等对真实火箭燃气射流场，膛口流场，燃气射流冲击场，高超音速激波风洞中的三维流场，模型边界层转捩区流场，起爆药爆轰流场和燃烧场、三维温度场等进行测试，取得了一些国际上首创性的成果，并对实现上发现的一些新现象进行理论分析和解释。

Validated by the experimental results of direct-connected test for RBCC, a bias less than 10% is acquired, proving the feasibility on the following numerical study.

采用RBCC地面直连实验结果对模型进行了校验，计算结果与实验结果的相对误差小于10％，表明该模型用于火箭引射模态性能分析所获得的结果具有一定的可信度，可用于本文的后续研究。

The vibration characteristics of an oxygen-turbopump rotor with a cantilever turbine disk of rocket engine have been studied on a rotating test rig.

在旋转试验器上研究了带悬臂涡轮盘火箭发动机氧涡轮泵转子的振动特性，并在此基础上完成了氧涡轮泵转子的高速动平衡试验。

German researchers sent the cichlids on a 10-minute rocket ride that blasted off from a launch pad in northern Sweden, said Professor Reinhard Hilbig, who was in charge of the project.

德国研究人员让这些慈鲷自瑞典北部的发射台升空，进行一段历时约十分钟的火箭之旅，据负责这项计画的希比格教授表示。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。