本文建立了一种新的两层流模型，考虑了界面变形对系统稳定性的影响。
In the present paper, a new two-sided model is proposed and the interface deflection is taken into account.
在模型建立过程中，采用了与开发微肋管冷凝分层流模型类似的理论处理方法。
The profile of stratified liquid was determined by a theoretical model previously developed for condensation in horizontal micro-fin tubes.
它们涉及如何建立数据流模型，如何表示事件和触发器，如何正确终止流程以及如何在分层流程模型中重用活动。
They address modeling of data flow, representation of events and triggers, correct termination of a process, and reuse of activities in hierarchical process models.
场景6：在分层流程模型中重用活动
Scenario 6: Reuse of activities in hierarchical process models
本文应用流体力学中的运动微分方程，建立了宾汉流体在倾斜偏心环空中的层流流动模型。
Using the differential motion equation in fluid mechanics, this paper developed the flow models of the laminar flow of Bingham's fluid in an inclined eccentric annulus.
摘要采用层流和紊流两种模型对水平管外垂下液膜的强制对流蒸发换热性能进行了数值计算。
Numerical analyses and experiments were carried out to obtain the evaporating heat transfer characteristics of falling film on horizontal heated single tube and tube arrays.
该模型充分考虑了由摇摆振动引起的附加惯性力的作用，属非稳态三维波动层流问题。
The model, which includes the effect of additional inertia forces by vacillation, describes a problem of unsteady three-dimension wavy laminar falling film absorption.
构造了三维混合层流场用离散涡丝描述的计算模型并进行了数值模拟。
A model of computation for three-dimensional mixing layers described by discrete vortex filaments is built.
在热轧带钢层流冷却控制数学模型中，由于忽略带钢内部的热传导而使卷取温度控制精度不良。
For the model of laminar cooling control of hot rolled strip, the accuracy of coiling temperature control is unsatisfactory because the heat transfer in the strip itself is ignored.
从流体力学中的N - S方程出发，建立了圆管两相分层层流的流动数学模型。
Starting from N-S equations of fluid mechanics, the flow mathematical model of two-phase flow in pipe is established.
根据气泡的尺寸划分气相，采用时间平均法建立了描述垂直管道内层流泡状流运动的多流体模型。
A more detailed multi fluid model was developed with the gas phase divided into several groups according to bubble size to describe bubbly flow in a vertical pipe.
建立了摇摆条件下圆管内的层流流动模型，推导出无量纲化的速度表达式，得到摩擦阻力系数关系式。
The model of laminar flow in tubes in rolling motion is established. The dimensionless correlation of velocity is derived, and the correlation of frictional resistance coefficient is also obtained.
对火的描述采用混合分数燃烧模型，模型中忽略燃烧过程中的反应机理，应用了层流扩散火焰理论和单步不可逆快速反应假定。
The fire was modeled by the mixture fraction combustion method with chemical reaction mechanisms neglected. Laminar diffusion flame theory with one-step irreversible fast reactions is assumed.
采用双流体数学模型通过数值模拟发现：在层流条件下，双流体模型能够很好地模拟颗粒相体积分数、管径和R e对相变区间的影响。
In this paper, the Euler-Euler model was used to numerically analyze the influences of the particle volume fraction, the diameter of tube and the Reynolds number on the phase-change region.
在混合损失计算模型的基础上，应用动量守恒原理推导出了新的水平井筒气液两相分层流型压降计算模型。
Based on the model to calculate mixture loss, a new calculation model of pressure drop for stratified flow in horizontal wellbore has been developed by applying the momentum conservation equation.
此模型能根据实测的燃烧压力曲线计算出层流燃烧速度、已燃气火焰温度及火焰传播速度等参数随压力、当量比、发动机转速、点火提前角的变化规律。
The variation of combustion velocity, fired gas temperature and flame propagation speed, when the press, excess air ratio and ignition timing changed, was calculated by this quasi-dimensional model.
依据分形几何理论，结合不可压缩粘性流体层流流动理论，建立基于分形参数的金属垫片泄漏模型，该模型揭示了泄漏率与密封表面形貌之间的关系。
According to the fractal geometry theory and the non-compressed viscous fluid laminar flow theory, the leakage model of metallic gasket based on fractal parameter was established.
提出了基于层流冷却过程动态模型的预设定模型和卷取温度预报模型；
The preset model and the coiling temperature predicting model based on the new dynamic model are developed.
利用线性稳定理论。对气液两相分层流动模型进行了严格的理论分析。
A theoretical analysis is made, by applying linear stability theory, orl the model of gas-liquid stratified flow.
在气体火焰的碳黑生成模型中，运用化学动力学来诠释在层流预混火焰中大分子芳香族烃的形成。
In the former one, the formation of high molecular weight aromatic species in premixed flames are explored by a detailed chemical kinetic mechanism.
用法福尔质量加权平均N-S方程及两方程湍流模型求解三维超声速平板湍流边界层流动；
The mass-weight averaging N-S equations are adopted as the governing equations of flow, and a two-equation turbulent model is employed.
基于可压缩流体不稳定流动理论及地层流体渗流理论，建立了气体钻井过程中井筒瞬态流动的数学模型。
Based on the theory of unsteady flow of compressible fluid and the seepage theory of formation fluid, the mathematical model of the gas transient flow in the wellbore has been established.
本研究将“边缘层模型”应用于两层流体系统中弱非线性内波在台阶地形上的反射和透射问题的研究。
The edge-layer theory is applied to study the refection and transmission of the weakly nonlinear internal wave over a step in a two-layer fluid system.
利用焖井恢复试井资料，计算蒸汽浸渍半径及受热油层流变参数的数学模型，是一种较新的技术。
The numerical model used to calculate steam impregnation radius and rheological parameter of heated oil bearing formation through the data of build up well testing during shut in is a new technique.
需要根据已有的相态测试资料对地层流体模型进行重构。
It is necessary to reconstruct phase model on the basis of finite phase information.
本文详细讨论了模型的差分求解、边界条件的处理方法和井底井筒流体与储层流体耦合的计算。
It was discussed in details that the model by difference method, the treatment of the ambient condition and the calculation of well flow model being coupled with reservoir.
对于三区模型，加上相关的衍生了一套描述的压力和温度的层流燃烧速度和火焰层厚度的影响。
For the three-zone model, a set of coupled correlations has been derived to describe the effect of pressure and temperature on the laminar burning velocity and the laminar flame thickness.
模型主要包括井筒流动模型、不稳定储层流动模型、液体界面移动模型和酸蚀蚓孔模型等。
The models was established of the following components: wellbore flow model, unstable reservoir flow model, the fluid interface movement model, acid etching wormhole model and etc.
使用泊松方程、漂移扩散模型和N—S方程对介质阻隔面放电等离子体控制边界层流动进行了一体化数值模拟。
The boundary layer flow control using dielectric barrier surface discharge plasma is simulated using Poisson's equation, drift-diffusion model and N-S equations.
在弱层流变试验的基础上，建立了弱层流变力学模型。
Based on the creep test of soft layer, a mechanical model of creeping was proposed.
应用推荐