momentum equation

By momentum equation and momentum moment equation, the relation of centroid velocity and attack angle is obtained after spherical-nosed rod impacting at spherical target.

采用简化模型，通过动量方程和动量矩方程，获得了球形杆弹撞击球形靶板后弹体质心速度和攻角的关系。

The slip coefficient B is introduced in momentum equation of one dimensional nucleating flow. The influence of slip between two phases is considered.

本文在一元蒸汽凝结流动量方程中引入了滑移系数B，考虑两相滑移的影响。

According to the company's actual requirement and processing character, a suit of vapor ejector was designed, which are based on hydromechanical basic theory knowledge, Bernoulli equation and theory of momentum.

该文根据公司的实际需要及生产特点，运用流体力学的基础理论知识，从流体流动的总流伯努利方程、动量定理出发，设计出了一套适合本公司的蒸汽喷射器。

the model consists of a mass conservation equation and a momentum equation, belonging to a nonlinear hyperbolic conservation system. 2.

该模型由质量连续方程和运动方程组成。

In the electron clouds which supported by the Penning discharge the property of motion of electrons can be described by the fluid equations: continuity equation, momentum equation, energy equation, Poisson equation and heat transfer equation.

在电子云中电子的运动特性可以用由连续性方程、动量方程、能量方程、Poisson方程和热传导方程组成的流体方程组来描述。

The models include the equation of ion continuity, momentum equation, Poisson equation and equivalent circuit equation, through which the relationship can be determined between insulated substrate surface potential, charge density and sheath thickness.

模型包括离子连续性方程、动量方程和泊松方程，特别是提出了可以自洽地决定绝缘基板表面电势、表面电荷密度和鞘层厚度关系的等效电路方程。

As using the general Darcy's law instead of the momentum equation, we get two equations: the pressure equation derived from the continuity equation and the enthalpy equation from the energy equation.

通过引入广义的Darcy定律代替渗流的动量方程，最终得到两个全场求解的控制方程：连续性方程演化的压力方程和能量方程演化的焓方程。

The paper gives out a shallow water equation, which includes not only the bottom friction part, but also the viscosity part. The equation consists of continuity equation, conservative momentum equation, non-conservative momentum equation and Poisson equation.

本文完整的提出了不但含有底磨擦项，而且含有粘性项的浅水波动方程，包含质量连续方程、守恒型运动方程与非守恒型运动方程以及用以求解船底表面压力的压力泊松方程。

Chapter III takes a test of argon plasma discharge detailed under the fluid dynamic model. The COMSOL software is used for the comparison test to verify the correctness of the momentum equation and the drift-diffusion approximation algorithm.

第三章详细的对氩气等离子体放电的流体力学模型进行了测试，测试过程包括采用COMSOL软件对流体力学模型下动量方程算法和漂移扩散近似算法进行了对比测试验证。

A momentum equation of steady two-dimensional axi-symmetrical turbulent boundary layer is derived employing stress tensor analysis.

本文根据应力张量表示的动量方程，推导出了轴对称坐标系中无旋转定常轴对称流动可压缩湍流边界层的动量方程。

The slip coefficient B is introduced in momentum equation of one dimensional nucleating flow.

本文在一元蒸汽凝结流动量方程中引入了滑移系数B,考虑两相滑移的影响.

According to momentum equation and energy equation, the flow phenomena of the internal hydraulic jumps were analysesed for stratified flows in a channel with slop down or slop up.

本文对于正坡和反坡两种情况，根据上、下层的动量方程和能量方程分析了两层液体的内水跃流动现象，研究并得出了不同流动情况下发生内水跃的条件。

According to the heat transfer equation, the momentum equation, the energy equation about incompressible fluid in porous medium the FEM of the coupling temperature field about Air Cooled Embankment ( ACE) is established by using Boussinesq approximation.

根据多孔介质中流体热对流的连续性方程、动量方程和能量方程使用Boussinesq近似建立了耦合的非线性的块石通风路基温度场有限元计算模型；

Then a one-dimensional unsteady incompressible flow with moving pollutant source model was proposed. The continuity equation, momentum equation and convection-diffusion equation were discredited using finite volume scheme.

接着，根据双线铁路隧道运营通风的特点，建立了一维不可压缩非恒定流和流动污染源的物理模型以及山相应的连续性方程、动量方程和对流扩散方程构成的数学模型；

The models combined with the constitutive equations for upper convected Maxwell, the momentum equations, the continuity equation and boundary conditions of two channel model, were used to building the complete mathematics model.

并结合非线性上随体Maxwell本构方程，动量方程、连续性方程以及两种流道的边界条件，建立了完整的数学模型。

By coupling the continuity equation, momentum equation and mass transport equation, we can compute O2 and H2O concentration distribution and the gas velocity distribution at the cathode with pin flow field, multi meander flow field and single meander flow field.

通过耦合求解质量守恒方程、动量守恒方程和组份守恒方程，计算出点状、多蛇形和单蛇形三种不同流场阴极O2和H2O浓度的分布以及气体速度分布。

The mathematical model, describing the flow phenomena in the tundish, was established according as the continuity equation and momentum equation, meanwhile the FLUENT commercial software was used to calculate.

同时根据连续性方程和动量方程建立描述中间包内流体流动的数学模型，采用FLUENT商业软件进行数值计算。

The model couples continuity equation, momentum equation and species conservation equations. Net water transport flux in the membrane is considered as a boundary condition.

模型耦合了连续方程、动量方程和组分守恒方程，并将质子膜中的净水迁移通量作为边界条件之一来处理。

Thestress in momentum equation is handled by using Boussinesq assumption.

动量方程中水平切应力采用Boussinesq假设,垂向采用静水压力假设.

Reynolds equations applied to sealed fluid hydrodynamic lubrication are derived from the continuity equation and momentum equation, and significant effect of every item to dynamic pressure was analyzed.

由连续性方程和动量方程出发，推导了适用于机械密封流体动压润滑的雷诺方程，并分析了各项对动压效应产生的意义。

The flow process includes continuity equation, momentum equation, turbulence equation and energy equation and applies standard k-ε model to solve; the reaction process applies finite-rate/ eddy-dissipation model to solve; the radiation process applies discrete ordinates model to solve.

其中气相流动以流体力学中的连续性方程，动量方程，湍流模型方程和能量方程为基础，使用标准κ-ε模型，化学反应使用有限反应速率/涡耗散模型，辐射传热使用离散坐标模型。

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。

Based on the continuity equation, momentum equation and K-s turbulent pattern of hydrodynamics, we obtain the interior flow field distribution regular of the model by use of the computational hydrodynamics software FLUENT. After analyzing the calculational result, we improve some parameters of the new model.

基于流体力学的连续方程、动量方程及K-ε湍流模式，利用计算流体力学软件FLUENT，得到了计算模型内部的流场分布规律，并通过对计算结果的分析，改进了这种新模型的某些结构参数。

Momentum equation of flow.

水流动量方程.

By analyzing interior flow rules, the relative motion momentum equation and infinite vane theoretical head equation are established.

通过分析离心泵叶轮内部的流动规律，推导出了理想流体相对运动的动量方程和无限多叶片假设下的用出口角表达的理论扬程公式。

The flow of surface regine and bucket are analyzed on the theory and calculation, this type of flow is a combined slope hydraulic jump within the region of the complex boundary. By use of momentum equation, the conjugate water surfce can be determined.

通过对面流和戽流的理论与计算方面的分析.认为面流和戽流的流态均为复合边界内的组合斜坡水跃，可采用动量方程式确定其水面衔接。

By the continuity equation and the momentum equation for an ideal incompressible fluid, this essay derives the fundamental equations of surface water wave and works out an analytical solution under the condition of small-amplitude via the linear approximation theory.

利用理想不可压缩流体的连续性方程和动量方程，推导了表面波基本方程，并应用线性近似理论求出了小振幅波情况下的解析解。

The former includes continuity equation, momentum equation, turbulence equation and energy equation, and it was solved by SIMPLE scheme.

前者用SIMPLE算法求解，其中方程包括连续性方程，动量方程，湍流模型方程和能量守恒方程；

The global continuity equation and normal momentum equation are solved in a coupled way.

计算时采用连续方程和法向动量方程耦合求解的方法以解决细长体远后身区计算中的问题。

Based of energy conservation and momentum conservation, the mass-speed equation is derived through Lorentz transformation.

从能量守恒和动量守恒出发, 通过洛仑兹变换,推出了质量 - 速率关系式.