1) ejecting Mach number
引射马赫数
1.
It’s observed that the ejector start pressure goes up with the increasing of the ejecting Mach number and the mixing-room contraction ratio.
试验结果表明,环型引射器启动压强明显高于运行压强;试验发现,引射马赫数越高,混合室收缩比越大,引射器启动压强越高。
2) launch mach number
发射起动马赫数
3) Mach reflection
马赫反射
1.
A numerical investigation on the Mach reflection patterns of quasi-steady strong shock waves;
准定常强激波马赫反射波形的数值研究
2.
Secondly,it is expatiated based on the principle of Mach reflection that use of a high-velocity explosive for initiation of a low-velocity explosive can enhance the detonation pressure of the low-velocity explosive.
首先 ,简要介绍了对现有预裂爆破技术的类型及其特点 ;其次 ,根据马赫反射原理 ,阐述了用高爆速炸药起爆低爆速炸药可增强低爆速炸药的爆压 ;然后概述了以 2号岩石炸药为主装药的线型聚能切割器的设计参数及切割试验。
3.
A few constantvalue lines and the detailed physical quantity distributions at solid surfaceof Mach reflections are obtained.
本文采用显式 TVD 格式,求解薄层 Navier-Stokes 方程,计算了激波与楔面相互干扰的流场情况,得出了马赫反射的各种等强度线及固壁面上详细的物理量分布,根据计算得出的流场,计算了壁面摩擦阻力及热流分布。
4) Mach number
马赫数
1.
Research on the Mach number control system in NF-6 wind tunnel;
NF-6风洞马赫数控制系统研制
2.
Research of application of neural network in Mach number identification of wind tunnel flow field;
神经网络在风洞流场马赫数辨识中的应用研究
3.
Experimental study on the vortex tubes with different Mach number nozzles
喷嘴马赫数对涡流管性能影响的实验
5) micro-Mach number
微马赫数
1.
The relationship between the variation of density and the variations of pressure and temperature is educed under micro-Mach number by the theoretical analysis on the steady flow of ideal fluid,and the theoretical analysis of the incompressibility of low-speed gas flow is obtained when the flow is treated as an incompressible flow with M<<1.
通过理想流体定常流动的理论解析,导出了微马赫数下密度的相对变化率与压强、温度的相对变化率的关系式,得到了当M<<1时的低速气体流动问题可视作不可压缩来处理的直观理论解析。
6) high speed and complicated in shape
马赫系数
补充资料：飞行马赫数
飞行马赫数：
变称飞行m数。飞行器的飞行速度与其飞行高度上音速的比值。因奥地利物理学家e·马赫最早使用这一比值研究炮弹的高速飞行而得名。飞行速度大于1为超音速飞行，小于1为亚音速飞行。
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