limiting velocity meaning in Chinese
极限流速
极限速度
Examples
- Method of designing the delayed limit velocity for mine hoist
矿井提升机延迟式保护速度设计方法 - The balance value has the function of limiting velocity and guaranteeing safety , and can make the action of hydraulic machine calm
平衡阀具有限速与安全的作用，能使液压机械动作平稳。 - With the material dynamic constitutive equation including damage and the effect of stain rate the predictable formula about ballistic limit velocity of fiber composite target . secondly based on the damage feature about ceramic / fiber composite target caused by impact load , analysis model about defense performance of ceramic / composite material target is formed and the predictable formula about ballistic limit velocity is also given . lastly using the reflection and projectile theory of stress wave the paper discusses the design of ceramic / composite material target , optimizes the design of double layer ceramic / composite targets , gains optimal coefficient under certain area density and discusses the variety relationship of area density and thickness with optimal coefficient u nder some ballistic limit velocity 3
首先，分析了纤维类正交铺层复合靶板在冲击载荷作用下的损伤破坏机理，结合包含损伤和应变率效应的材料动态本构方程，建立了纤维复合材料板弹道极限速度的预测公式；其次，根据陶瓷/纤维材料复合靶板在冲击载荷下的破坏特点，建立了陶瓷/复合材料靶板抗弹性能分析模型，给出了弹道极限速度预测公式；最后，利用应力波反射和透射理论讨论了陶瓷/复合材料靶板的设计问题，对双层陶瓷复合靶板的优化设计进行了分析，给出了在一定面密度下的最佳优化系数，讨论了一定弹道极限速度下的面密度和厚度随优化系数的变化关系。 - They are applied to different situations and verified by experiments . analysis model of small ap oblique penetrating ceramic / metal light armor is established on the basis of energy model and the assumption of ellipse absorbing the same energy in back plate , giving the predictable formula about ballistic limit velocity . with energy model the optimization design in relation to ceramic / metal light armor is analyzed and the optimal coefficient of ceramic / metal composite armor is gained
本文的主要研究内容如下： (一)建立了小型穿甲弹垂直侵彻陶瓷/金属轻型装甲的动量模型和能量模型，它们分别适用不同情况，并通过试验验证；基于能量模型和背板椭圆吸能相同假设，建立了小型穿甲弹斜侵彻陶瓷/金属轻型装甲的分析模型，给出了弹道极限速度预测公式；利用能量模型对陶瓷/金属轻型装甲的优化设计进行了分析，给出了陶瓷/金属复合装甲的最佳优化系数。