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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Ballistic limit ： ウィキペディア英語版 Ballistic limit The ballistic limit or limit velocity is the velocity required for a particular projectile to reliably (at least 50% of the time) penetrate a particular piece of material. In other words, a given projectile will not pierce a given target when the projectile velocity is lower than the ballistic limit. The term ''ballistic limit'' is used specifically in the context of armor; ''limit velocity'' is used in other contexts.〔 The ballistic limit equation for laminates, as derived by Reid and Wen〔SR Reid, HM Wen. "Perforation of FRP laminates and sandwich panels subjected to missile impact". In: SR Reid, G Zhou, editors. "Impact behaviour of fibre-reinforced composite materials and structures". Cambridge: Woodhead Publishers Ltd. 2000. In: G Reyes Villanueva, WJ Cantwell (2004). "The high velocity impact response of composite and FML-reinforced sandwich structures". ''Composites Science and Technology'' 64:35-54. .〕 is as follows: $V\_b=\backslash frac\; \backslash left\; (\backslash right)$ where *$V\_b\backslash ,$ is the ballistic limit *$\backslash Gamma\backslash ,$ is a projectile constant determined experimentally *$\backslash rho\_t\backslash ,$ is the density of the laminate *$\backslash sigma\_e\backslash ,$ is the static linear elastic compression limit *$D\backslash ,$ is the diameter of the projectile *$T\backslash ,$ is the thickness of the laminate *$m\backslash ,$ is the mass of the projectile Additionally, the ballistic limit for small-caliber into homogeneous armor by TM5-855-1 is: $V\_1=\; 19.72\; \backslash left\; ^$ where *$V\_1$ is the ballistic limit velocity in fps *$d$ is the caliber of the projectile, in inches *$e\_h$ is the thickness of the homogeneous armor (valid from BHN 360 - 440) in inches *$\backslash theta$ is the angle of obliquity *$W\_T$ is the weight of the projetile, in lbs == References == 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Ballistic limit」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.