velocity pressure

The characteristic velocity, area of nozzle throat and other parameters are calculated by using the static test results of solid rocket motor ( SRM) and introducing generalized pressure coefficient and thrust coefficient.

利用发动机地面试验结果，引入广义的压强系数和推力系数，计算了发动机的特征速度、喷管喉部面积等参数。

The effect of operation pressure on the specific impulse of tactical missile solid motors is analyzed from several factors, such as characteristic velocity, thrust coefficient, impulse coefficients of the chamber and nozzle.

从固体发动机的特征速度、推力系数、燃烧室冲量系数和喷管冲量系数等因素出发，分析了发动机工作压强对战术固体火箭发动机比冲的影响。

The result displays the velocity and pressure distributing around the column and presence of vortices.

从模拟出来的流场分布可以清晰地看到圆柱周围速度的分布、压力的分布及漩涡的出现.

A semitheoretical modeling to calculate pressure drop and exponent of vortex velocity profile is deduced.

建立了计算旋风分离器压降及速度分布指数的通用计算式.

This paper made use of the electro-hydraulic proportional control technology, adopting the principle of separate the ground control or grouping and unite control to control the velocity and pressure of thrust hydraulic cylinder to complete the shield machine attitude adjust in the course of its advance.

应用电液比例控制技术，采用分组联合控制的原则，控制推进液压缸的速度及压力，完成盾构推进过程中的盾构掘进姿态的调整。

It is a very important approach to increase the tip velocity of rotor for the high pressure ratio.

提高单级压比的重要途径之一，就是提高动叶的叶尖速度，这同时就会造成叶尖的超音速。

Upbuild the signal model for ship noise, deduce the relationship between sound pressure and particle velocity in plane wave.

建立本舰噪声的信号模型，推导了平面波声场声压和振速的相关性。

Firstly, MATLAB software is used to do a function resolution on flow area of the anomalous orifice spool valve, and numerical simulation on velocity and pressure distribution in the valve cartridge under different inlet flows and opening are done and the results are analyzed.

首先，对异形阀口滑阀的过流面积进行MATLAB数值解析，对不同流量、阀口开度下阀内的速度场和压力分布等做了数值模拟，并对数值计算或仿真结果做了分析。

The result suggests that pressure magnitude, pressurizing velocity and manner, and etc.

表明压力高低 、 加压速度快慢、加压方式等对油藏渗流和变形产生显著影响.

They are opened and sustained in the open position by the force of velocity pressure, and closed by the force of gravity.

他是利用流体速度压力来开启和保持在开启的位置，并利用重力的作用来关闭。

Experimental results indicate that the variation of ambient pressure not only significantly affects the spray tip penetration and the velocity characteristics of spray field, but also affects the droplet size obviously.

结果表明：环境压力的变化不仅可以明显改变喷雾体积大小和喷雾场的速度特性，同时对粒径特征也有显著影响。

Calculation of Divergent Velocity Pressure of Wing Surface by Using NASTRAN Software

用NASTRAN程序计算翼面的发散速压