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limiting velocity中文是什么意思

  • 極限流速
  • 極限速度

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  • 例句與用法
  • Method of designing the delayed limit velocity for mine hoist
    礦井提升機延遲式保護速度設計方法
  • The balance value has the function of limiting velocity and guaranteeing safety , and can make the action of hydraulic machine calm
    平衡閥具有限速與安全的作用,能使液壓機械動作平穩(wěn)。
  • 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,分析了纖維類正交鋪層復合靶板在沖擊載荷作用下的損傷破壞機理,結合包含損傷和應變率效應的材料動態(tài)本構方程,建立了纖維復合材料板彈道極限速度的預測公式;其次,根據(jù)陶瓷/纖維材料復合靶板在沖擊載荷下的破壞特點,建立了陶瓷/復合材料靶板抗彈性能分析模型,給出了彈道極限速度預測公式;最后,利用應力波反射和透射理論討論了陶瓷/復合材料靶板的設計問題,對雙層陶瓷復合靶板的優(yōu)化設計進行了分析,給出了在一定面密度下的最佳優(yōu)化系數(shù),討論了一定彈道極限速度下的面密度和厚度隨優(yōu)化系數(shù)的變化關系。
  • 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
    本文的主要研究內(nèi)容如下: (一)建立了小型穿甲彈垂直侵徹陶瓷/金屬輕型裝甲的動量模型和能量模型,它們分別適用不同情況,并通過試驗驗證;基于能量模型和背板橢圓吸能相同假設,建立了小型穿甲彈斜侵徹陶瓷/金屬輕型裝甲的分析模型,給出了彈道極限速度預測公式;利用能量模型對陶瓷/金屬輕型裝甲的優(yōu)化設計進行了分析,給出了陶瓷/金屬復合裝甲的最佳優(yōu)化系數(shù)。
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