1) high-velocity rod-shaped projectile
高速杆式弹丸
1.
Formation Mechanism and Design Technique of High-Velocity Rod-Shaped Projectiles;
高速杆式弹丸的成形机理和设计技术
2.
Shaped charges include not only traditional shaped charges but also explosively formed projectile and high-velocity rod-shaped projectile.
从射流装药、射弹装药、高速杆式弹丸装药3个方面就其新进展和新动向进行了调研、分析,并对成型装药发展趋势及潜在应用进行了评述。
2) high velocity rod-shaped projectile
高速杆式弹丸
1.
According to the features of high velocity rod-shaped projectile and classical theory of shaped jet, formation qualifications of high velocity rod-shaped projectile were analyzed and some design guidelines were put forward.
根据高速杆式弹丸的特点和经典射流理论分析高速杆式弹丸的成型条件,提出了高速杆式弹丸的设计准则。
2.
The software of LS-DYNA was applied to simulate the formation process of a high velocity rod-shaped projectile from the modified hemispherical liner.
应用LS-DYNA动力学分析软件对变球缺型罩装药结构下高速杆式弹丸的形成过程进行数值模拟研究,揭示了其成型机理,并研究了中心点起爆、四点同时起爆和环形起爆等三种起爆方式对高速杆式侵彻体的成型和性能参数的影响,得到了弹体的速度分布。
3) high-velocity projectile
高速弹丸
1.
This paper has reviewed the present development of the high-velocity projectiles abroad.
综述了目前高速弹丸的研制状况，主要对电磁炮发射的高速弹丸有关技术问题作了较详细的综述，并述及了高速弹丸的发展趋势。
4) rod-shaped projectile
聚能杆式弹丸
1.
Calculation analysis of rod-shaped projectile penetrating into concrete targets;
聚能杆式弹丸侵彻混凝土靶计算分析
2.
In order to develop a tandem following-through warhead that can effectively penetrate a firm work,a new shaped charge is devised and made,it can produce rod-shaped projectile and experiments of penetrating concrete and reinforce concrete are conducted.
为了研制有效打击坚固目标的串联随进式攻坚武器,设计并制作了能形成聚能杆式弹丸的新型聚能装药,对混凝土和钢筋混凝土进行侵彻试验。
3.
In order to reduce development cost and periods,the dimension analysis and similitude law were applied to study the formation of rod-shaped projectile and its penetration into the compound target with water interlayer.
为降低聚能杆式战斗部研制成本,缩短研制周期,采用量纲分析方法对聚能杆式弹丸的成型以及侵彻水夹层复合靶板的相似律进行了分析。
5) Rod shaped projectile
聚能杆式弹丸
1.
A new-type shaped charge which can produce a rod shaped projectile(SCRSP) was devised for shaped charge torpedo.
设计了一种能形成聚能杆式弹丸的聚能装药结构,并使用该聚能装置进行了侵彻水夹层复合靶试验。
6) high-speed rotating projectile
高速旋转弹丸
1.
It is very difficult to make trajectory correction for high-speed rotating projectile because of rotating characteristic,which can not be solved by adopting the traditional correction projects.
解决由于高速旋转弹丸的旋转特性导致难以采用常规方案对其进行弹道修正的技术难点。
补充资料：螺杆式无油干式机械真空泵原理及简介
螺杆式无油干式机械真空泵是利用齿轮传动同步反向旋转的相互啮合而不接触的左螺杆与右螺杆作高速转动，利用泵壳和相互啮合的螺旋将螺旋槽分隔成多个空间、形成多个级，气体在相等的各个槽内（柱形等螺距）进行传输运动，但无压缩，只有螺杆最末端的螺旋结构对气体有压缩作用。螺杆的各级间可形成压力梯度，以分散压差和提高压缩比。各部间隙和泵转速对泵的性能有很大影响。在设计螺杆各部的间隙时，要考虑膨胀、加工及装配精度和工作环境（如抽除含粉尘气体等）等。该泵与罗茨真空泵一样不设排气阀。
泵是立式结构，进气口在上方，排气口在中部，下部为电机和润滑油池。螺杆转子呈中空形，为悬臂支承结构。同步传动齿轮位于轴承支座下面。变频电机通过联轴节与主动转子连接。该泵的气体路径较短，且立式结构对排除含微尘气体较为有利。泵外壳有水冷却，泵维修也便利。
这种类型的泵如果选用适当的较简单螺杆牙型截面，则制造简单，可保证很高的加工精度，且容易动平衡。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条