velocity pressure的例句大全

a measure of the efficiency of a hood's ability to convert static pressure to velocity pressure; the ratio of actual flow to ideal flow.

排风罩将静压转换为动压的效率系数；或实际流量与理论流量的比值。

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。

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

On the basis of the theoretical model of annular velocity field and pressure field in air drilling and combination with practical working conditions of air drilling, the calculation method of air drilling is discussed and proofed.

文中根据空气钻井环空流速场、压力场的理论模型，结合空气钻井实际工况，对空气钻井计算方法进行了有益的探索，并用实钻数据进行验证。

Preparation of tertiary amyl alcohol from hydration of isoamylene enriched C 5 fraction was carried in the laboratory. The effects of catalyst, reaction temperature, pressure, space velocity and water/ isoamylene ratio were investigated.

在实验室研究了从富含异戊烯的C5馏分水合制备叔戊醇的工艺，考察了催化剂、反应温度、压力、空速、水与异戊烯摩尔比等因素对水合反应的影响。

This paper is based on result of visioplasticity test of thick cylinder during axial pressure with support of mandrel, velocity field and strain rate field were established.

本文根据厚壁圆管在两端夹持、有芯轴支撑、轴向加载的条件下，视塑性试验流线分布的结果，建立了变形区域的速度场和应变速率场。

But total pressure loss increases with the increasing of the velocity difference accompanied with the increase of the density and the static temperature ratio.

但速度差随密度比、静温比增大而增大时总压损失亦随之增大。

Influence of flow velocity on output power of high pressure CW CO_2 lasers

流速对高气压电激励CO2激光器输出功率的影响

The injection molding process of thermoset plastics bulk molding composition ( BMC) made of automobile lamp reflector is presented in the paper. Process parameters are settled such as barrel temperature, screw speed, injection pressure, injection velocity and holding time and so on.

介绍了热固性团状模塑料（BMC）注射成型汽车前照灯反射镜的工艺过程，确定了BMC注射成型的料筒温度、螺杆转速、注射压力、注射速度和保压时间等工艺参数。

The bubble size, position, three-dimensional velocity, locus and gas component, pressure, temperature of the bubbles could be calculated.

该模型可以计算气泡的大小、所在位置、三维速度、运动轨迹、内部气体成份、压力及温度等；

Calculation and analysis for two different geometric structure scrubbers are made to express the relationship among pressure drop, throat diameter, gas velocity and liquid volume flow rate.

对两种不同的设计方案进行了计算分析，反映压降与喉管、气速和洗涤液量的关系。

The effects of pressure, mass velocity, inlet subcooling, heat flux, and exit throttle on the flow instability were determined in the modeling experiment. The thresholds of the flow pattern transformation instability and that of the density wave instability were obtained.

通过模型试验确定了压力、质量流速、入口过冷度、热流密度、出口节流阻力等因素对不稳定性的影响，得出了流型转化型和密度波型不稳定性的界限。

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。

Finally, analyzed main tunnelling parameters such as tunnelling velocity, grouting pressure, thrust force of the jack and the relationship between chamber pressure of the NO.3 stress point with surface settlement based on the project examples.

最后结合成都地铁1号线2标段工程实例，分析了盾构施工主要施工参数如：掘进速度、注浆压力、千斤顶推力、3号应力点土仓压力和地表沉降的关系。

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。

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。

The simulation results of inlet air manifold show that the uniformity of the velocity at outlet of the manifold are improved by using the appropriate bell-mouthed inlet and clipper-built baffle, and inlet pressure needed of the manifold decrease.

对进气箱的模拟结果表明，采用扩压型进口加流线型挡块的方案可以提高出口速度的均匀性，同时降低了进气箱入口所需的气体压力。

That solid matter in liquid, velocity and flow type are three key factors to cause surface device utilizing in gas well with high pressure and high rate to drive liquid.

流体中的固体颗粒、流动速度和流动方式是造成高压高产气井排液期间地面设备损坏的三大关键因素。