1) muzzle flow field
膛口流场
1.
The muzzle flow field was simulated numerically by chimera grids and dynamic mesh based on ALE(Arbitary Lagrangian-Eulerian) equations and second-order precision Roe scheme.
采用基于ALE(Arbitary Lagrangian-Eulerian)方程的动网格和嵌入网格法及二阶精度Roe方法,对膛口流场进行了数值模拟。
2.
Numerical computation results of gun muzzle flow field which arranged in time was obtained.
膛口流场是一种非定常、多相并带有强激波间断和剧烈化学反应的复杂流场。
3.
Analyzes the aerodynamics load that empennage device encountered when it s in the muzzle flow field.
以尾翼稳定装置的弹丸在发射时尾翼结构发生变形和破坏导致机械故障为背景,在FLUENT软件平台下,建立前张后折式尾翼稳定装置的某155mm炮弹经过炮口制退器的三维动网格计算模型,对尾翼装置在膛口流场中所受的气体动力学载荷进行分析。
2) muzzle flow
膛口流场
1.
Numerical investigation on the muzzle flow with dynamic mesh based on ALE equation;
基于ALE方程的动网格膛口流场数值研究
2.
The TVD scheme to solve Navier Stokes equations is used to simulate the muzzle flow with inlet/outlet expansive suppressor.
采用ＴＶＤ格式求解Ｎ－Ｓ方程，数值模拟了含内插管扩张型抑制装置的膛口流场，展示了由膛口冲击波包围着的特征多变的射流结构的演变过程，模拟结果与实验照片相符。
3.
Two unsteady muzzle flows for bare muzzle and inlet /outlet expansive multifunction suppressor are simulated numerically.
数值模拟了无膛口装置和含内插管扩张型抑制装置的膛口非定常流场，给出了与实验照片相符的膛口流场的宏观结构及其发展过程。
3) muzzle flowfield
膛口流场
1.
This paper outlines the progress having obtained on the numericalcalculations of muzzle flowfield inside and outside the country.
该文概述了国内外在膛口流场数值计算方面所取得的进展,尤其是自适应网格方法的发展,为统一效率和分辨能力之间的矛盾,提供供了广阔前景。
2.
So it is important to make research on muzzle flowfield, and analyze the effects of muzzle blast wave on the firing precision of gun.
在诸多影响射击精度的因素中，膛口流场对弹丸的扰动是一个重要因素。
4) muzzle
[英]['mʌzl] [美]['mʌzḷ]
膛口
1.
In this paper,calculating empirical formula of muzzle noise of the firearms are carried by use of the mathematical analytical method based on large number of experimental studies.
利用数学分析方法，在大量实验研究基础上给出了计算枪械膛口噪声的经验公式。
5) exit flow field
出口流场
1.
The experiment was investigated on the exit flow fields of compressor cascades with normal straight, positive leaned, positive curved, negative curved, and S type curved blades with tailboard at zero incidence.
进行了带尾板的由常规直叶片、正倾斜叶片、正弯曲叶片、反弯曲叶片、S形叶片组成的 5种矩型压气机叶栅在低速风洞上的实验研究 ,测量了叶栅出口流场 ,分析了零冲角下不同叶片弯曲形式对叶栅出口总压损失分布情况和主流速度的影响 。
2.
The influence of tailboard on the exit flow fields of compressor cascades with normal straight, positive and negative curved blades were investigated at zero incidence.
进行了带尾板的常规直叶片、正弯曲叶片、反弯曲叶片组成的三种矩型压气机叶栅在低速风洞上的实验研究，测量了叶栅出口流场，分析了零冲角下尾板对叶栅出口能量损失分布情况和二次流速度矢量的影响。
3.
The cascade exit flow field, the static pressure on blade surfaces and endwalls were surveyed at five incidences, and the flow visualization was carried out at zero incidence.
本文在0”、土5”和土10“冲角下，对叶片堆送线如图1所示的反弯曲叶片组成的扩压叶栅的出口流场、叶片表面和叶栅端壁静压进行了详细的实验研究，并在零冲角下完成了叶片表面和叶栅端壁的流场显示。
6) Outlet flow field
出口流场
1.
Measurements were taken of the cascade outlet flow field.
通过由常规直叶片、正弯曲叶片、反弯曲叶片组成的三种矩型扩压叶栅在低速风洞上的实验研究 ,测量了叶栅出口流场 ,研究了零冲角下常规直叶栅、正弯曲叶栅、反弯曲叶栅对出口总压损失分布情况和二次流速度矢量场的影响 ,讨论了叶片弯曲对扩压叶栅出口流场的改善作
2.
In orde to reveal the changing regulation of the fan characteristics under the different operating conditions, the developing laws are analyzed on the structure of volute tongue and outlet flow field It is concluded that the "throat" extruding phenomenon during the small flowrate operation the moving whirlpools at outlet field and back flowing phenomenon at volute tongue duri.
通过对离心通风机的变工况定常流动数值模拟,主要研究了蜗壳舌部及出口流场结构的演变规律,并分析了不同工况下所对应的风机特性变化实质,指出就蜗壳而言,其小流量工况时的"喉部"挤压现象、大流量时的出口流动漩涡及蜗舌回流现象,是影响风机整体特性及运行工况范围的主要因素之一;改善蜗舌及出口几何结构,可以有效提高风机的压头及运行效率。
补充资料：膛口装置
膛口装置——安装在武器膛口，利用弹头出膛时火药气体向外喷射对其产生作用而达到一定效果的装置，如制退器、减震器、消焰器等装置。
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