theoretical velocity

A Theoretical Analysis of the Velocity Ratio of the Radial Turbine

径流式透平速度比的理论分析

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The empirical formula for velocity decay was obtained by use of theoretical analysis.

通过理论分析给出了风口速度衰减的经验公式.

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It appears that, in general, the acoustic velocity of the LGS crystal is about 1000m/ s smaller than that of α-SiO_2.The results can provide some theoretical guidances for design and application of the LGS crystal in BAW device.

计算了声速的最大值并与石英进行比较，结果表明LGS晶体的BAW传播速度一般比石英低1000m/s左右。为该晶体在声体波器件等方面的设计和应用提供了一定的理论指导作用。

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Analysis and Comparison of The Theoretical Calculation Velocity of Flying Plate with The Result of Experiment in Explosive Welding

爆炸焊接中飞板运动速度的理论计算与实验结果的对比分析

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The Theoretical Calculation of the Velocity Field of Wakes of Ship's Propellers

船舶螺旋桨后尾流速度场理论计算

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Theoretical research on the velocity field of charged droplet

带电雾滴速度场理论研究

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The theoretical count on the velocity fluctuation and the reynolds stress and the analysis of reasons-mechanism for turbulence

脉动流速和雷诺应力的理论计算及紊流的产生根源和紊流机制分析

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By analysis of the navigational velocity of Advanced Amphibious Assault Vehicle ( AAAV) of America, puts forward the theoretical research for amphibious vehicle water propulsion system, aim at greatly improving the navigational velocity of amphibious assault vehicle.

经对美国先进两栖突击车（AAAV）水上航速的分析，提出了两栖车辆喷水推进理论的研究，主要目的是使新型两栖战斗车辆能在水上航速有大的提高。

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The calculation formulas for velocity coefficients φ_2 and φ_5 for the throat and throat inlet section were deduced from the theoretical research on the velocity coefficients in time-averaged basic equations by use of the unsteady momentum equation and time-averaged value calculation method.

运用非恒定的动量方程和时均值计算方法，对脉冲液体射流泵时均值基本方程中的流速系数进行了理论研究，推导出了喉管和喉管进口段流速系数φ2和φ5的计算式。

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Ascertains velocity distribution by theoretical analyses, and calculates effective limits of air-flow based on the analysis results. The results accord with experiment data fairly.

用理论分析确定速度分布，并在其基础上计算有效作用范围，结果均与实验数据吻合得较好。

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The theoretical computation of average flow velocity in the gap also is introduced.

最后又介绍了龙口平均流速的理论计算方法。

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Theoretical study of differential velocity 4-vane pump

四叶片差速泵的理论研究

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A qualitative estimate of gas hydrate saturation can be obtained by comparing the theoretical P-wave velocity for full-water saturation to actual P-wave velocity.

通过对比饱和水的理论P波速度与实际P波速度，可以得到天然气水合物饱和度。

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In addition, through the theoretical analysis of the velocity, velocity measurement error and other parameters, a phase-corrected formula is given.

另外，本文对运动速度大小、速度测量误差等参数对反演误差的影响进行了理论分析，并给出了相位修正公式。

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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。

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Theoretical analysis of velocity and removal efficiency of non-metallic inclusions in molten steel by electromagnetic filtration

电磁过滤钢液中非金属夹杂物的运动速度和去除效率的理论分析

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Theoretical Estimation of Threshold Velocity of Blasting Vibration for Rock Slope

岩质边坡爆破振动速度阈值的理论估算

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Theoretical analysis of velocity profiles for a free surface flow under bucket energy dissipators

自由面流的速度分布理论分析

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Taking the conventional artillery as an example: the muzzle velocity of shells are subjected to various inherent factor constraints, so its projectile has a theoretical limit muzzle velocity.

比如，在常规火炮中，炮弹的初速度受到各种固有因素的限制，即弹丸初速存在一个理论上的极限速度。

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A theoretical formula for particle velocity variation along shaped charge jets was derived based on the energy conservation of jet stretching.

从射流拉伸过程的能量关系出发，导出了相邻颗粒间速度差的理论公式。

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The theoretical critical impact velocity in tension is discussed: For OFHC copper, the theoretical critical impact velocities ( the plastic wave speed reaches zero) in tension are calculated with J-C and Z-A constitutive relations and the obvious differents are indicated. 7.

讨论了理论临界冲击拉伸速度：从理论临界拉伸速度的定义出发。采用J-C及Z-A本构关系计算了OFHC材料塑性波趋于零时的不同的临界冲击拉伸速度。

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A Theoretical Formula for the Velocity Distribution of the Water Flowing Film in Mineral Dressing Sluice

平面溜槽清水流膜速度分布的理论公式

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Experimental and Theoretical Study on Velocity Field of Buoyancy Convection in the Melt

熔体内重力对流速度场的实验研究及其理论分析

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Through analyzing the flow in the porous matrix with the Brinkman extended Darcy equation and through including the effect of dispersion by adding the dispersion coefficient into the energy equation, the theoretical solution of velocity distribution and temperature fields were obtained.

通过用Brinkman extended Darcy方程分析多孔层内流体的流动，以及在能量方程中加入弥散系数，得到模型内速度场和温度场的理论解。

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Based on theoretical analyses for working velocity on stripping rotor and linked field practice, we obtain the optimum parameters adopted 15~ 16m/ s of linear velocity of the stripping rotor, that mutually cooperate with smaller clearance of feeding mouth and area of air return opening.

根据对梳脱滚筒作业速度的理论分析并结合田间试验，得出与较小的喂入口间隙及回风口的过流面积相配，梳脱滚筒齿顶线速度取15～16m／s的较佳参数。

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Then a theoretical relationship between ultrasonic velocity and attenuation of rock and axial stress based on an effective crack density parameters are given.

在此基础上用裂纹的体积变形建立岩石在单轴加载过程中的等效裂纹模型，用该等效模型建立了岩石在单轴加载全过程中超声波速及衰减系数随应力变化的理论关系。

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A macroscopic mechanical model of friction reduction in the presence of vibration was introduced and a theoretical model of velocity control using throttle plates was established.

引入了振动减摩宏观力学模型，建立了基于流体力学的节流调速理论模型。

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