彈藥基數 的英文怎麼說
中文拼音 [dànyàojīshǔ]
彈藥基數
英文
allowance of ammunition-
The reasons causing gun propellant charge temperature coefficient and the methods of reducing charge temperature coefficient and increasing gun projectile muzzle velocity have been studied
研究了火炮裝藥溫度系數形成的原因以及降低火炮溫度系數提高彈丸初速的基本原理和措施。The coating processes and quality checking methods for low temperature coefficient coated high - energy nitroamine propellant have been studied based on the experiment data treatment and comparison of ltsc propellant combustion properties in closed vessel with that in gun, we found that there are some combustion functions in closed vess el are similar to that in gun
通過對低溫感硝胺火藥在密閉爆發器和火炮膛內實驗數據的處理與比較，找出了其在爆發器和火炮膛內燃燒特徵相似的一些函數關系式，為利用密閉爆發器試驗模擬火炮彈道性能提供了基礎。By comparing with stochastic structural analysis, relations between the two methods have been found. the response surface method is used to obtain the second order estimates of the calculated results bound. by means of viscoelastic stochastic finite element method, the instantaneous reliability, the first passage reliability and fuzzy reliability of srm grain are investigated
採用凸集合模型表示藥柱參數的不確定性，在粘彈性有限元攝動分析基礎上進行了結構的響應區間計算，討論了概率方法和集合理論模型得到的響應區間之間的關系，利用響應曲面法進行了區間的二次估計。This thesis presents basic researches on spraying and atomization process of the liquid propellant - key issue of regenerative liquid propellant gun interior ballistic process. the distributing properties of droplet sizes in atomization field of liquid propellant hy911 were experimentally, theoretically and numerically investigated
本文以再生式液體發射藥火炮（ rlpg ）為工程背景，圍繞rlpg內彈道循環的關鍵問題?液體藥噴射及霧化過程開展基礎研究，針對國產hy911液體發射藥，系統地進行了噴霧場液滴尺寸分佈的測試、理論建模與數值模擬。The main work and achievements are summarized as follows : based on herrmann variational principle and the nearly - incompressible viscoelastic constitutive relation, a new type of viscoelastic incremental finite element method is presented. in this method, incremental arithmetic is applied to solving the hereditary integrals. it needs less memory space, has simple parameter matrix, and calculates stiffness matrix only once
主要研究內容如下：從herrmann變分原理出發，基於適用於近似不可壓縮材料的粘彈性本構關系，利用增量法處理遺傳積分，發展了一種粘彈性增量有限元方法，所需存儲空間較少，參數矩陣形式簡單，求解過程只需要形成一次剛度矩陣，適用於藥柱的結構計算，奠定了確定性分析基礎。In this paper, measurement principles are discussed in detail for projectile dimension measurement, based on the analysis and classification for the structural dimensions of special projectiles. according to the factory practice, a measuring equipment is setup to measure those dimensions. two high precision laser displacement sensors and motion controller are introduced to construct this automatic digital measurement system for inspection and evaluation of the key dimensions
本文在對某系列特種彈藥的彈體結構尺寸分析和歸類的基礎上，詳細闡述了彈體幾何尺寸的測量原理，並結合工廠的實際，採用激光位移傳感器和計算機自動控制技術，實現了彈體的關鍵尺寸的數字化測量與評價。分享友人