• The first, how to sort out data coming from experiments by the theory of boundary velocity gradient; Secondly, how to apply the data in practice.

    实践中应用理论涉及两个问题:一是如何实验测得的数据整理边界极限速度梯度是如何利用边界极限速度梯度反过来指导实践。

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  • The characteristic of this model is only to know basic and natural boundary condition, then the stream function and flow velocity required on the boundary are obtained.

    这一模型特点需要知道边界上的基本边界条件自然边界条件,可以得到边界所需要求函数水流速度

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  • Third, in order to calculate microscopic sweep efficiency in pore models, we define sweep boundary of displacement fluid, and determine it by velocity method.

    第三为了计算孔隙模型微观波及效率,本文给出波及边界定义,采用速度确定其在流场中的位置。

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  • The method is simple, credible and has high precise and rapid calculation velocity, which is suit for the piezoelectric smart structure with complex shape and boundary conditions.

    方法作为动态激励的压电模态响应易于实时监测,迭代过程简单可靠计算速度、识别精度较高,适用于任意形状边界条件的复杂型智能结构

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  • Mean velocity profile, turbulence intensity profile, integral scale and wind spectra are the most fundamental characteristics that describe the atmospheric turbulent boundary layer flow.

    平均速度剖面湍流度剖面,积分尺度和风反映大气湍流边界层流动四个基本因素

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  • The boundary condition of velocity and displacement was gained during slab side press, through analyzing sp die kinematics character.

    通过分析调宽机模运动特性,可获得板坯位移速度边界条件

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  • The handle of boundary conditions and the formulation of acoustic particle velocity are given.

    给出边界条件处理方法粒子速度计算公式。

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  • The thinning velocity of blowdown acs and the boundary of flammable gas concentration are also relative to those.

    放空气体在大气中的稀释速度可燃气体浓度边界与放空立管直径和高度有关。

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  • Calculation formula of velocity distribution, boundary layer thickness, friction force and loss of water head are given out, in accordance with the result from theory analysis of similitude solution.

    对于速度边界层提出了相似性解析结果给出了速度分布边界层厚度摩擦阻力水头损失的解析计算表达式

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  • The cylindrical shell with various boundary condition are considered. The formulae of collapse load, stress field and velocity field and the judgement equations for long or short shells are given.

    分析各种边界条件下圆柱给出极限载荷应力场速度全部公式以及判断公式

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  • Uniform incoming fluid flowing velocity is set for entry of computation region and pressure boundary condition is inducted for outlet.

    计算区域进口处给定均匀速度,在出口引入压力边界条件

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  • The results show that the external boundary, potential core and dimensionless velocity distribution curve are different from those of general jets.

    结果表明,脉冲喷嘴射流的边界变化规律、等速无因速度分布规律等均与普通射流较大差异

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  • In the paper, the steady NS equation was solved to simulate aircraft roll by adding tangent velocity to no slip wall boundary condition.

    文中在物面滑移边界条件的基础上施加物面绕体轴的速度通过求解ns方程飞行器滚转进行模拟

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  • The velocity amplitude distributions of the oscillatory flow outside the boundary layer are measured at seven cross-sections along the horizontal, the vertical, and the bent sections respectively.

    对于水平直管上底面下底面各三个截面,测量边界层内振荡流速振幅分布相位分布。

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  • The surface concentration of the adsorbed surfactants, the surface velocity and the migration velocity of the bubble are obtained by a boundary collocation technique.

    采用边界配置点法数值求解了气泡表面吸附活性剂浓度、气泡表面流体速度以及气泡溶液中的运动速度。

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  • The computation results showed that the effect of density differences when velocity of flow was small was obvious to the boundary of laminar flow in the elevation difference pipeline.

    结果表明大落差管道,流速不大情况下密度层流边界层影响比较明显。

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  • In this case handling boundary conditions, the extended boundary conditions were used for supplying need of the displatment, velocity and acceleration conditions.

    处理边界条件时,采用了满足位移速度加速度条件边界条件。

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  • Tests was carried out on cookies both in single and package unit to measure its velocity change and acceleration in different orientation in different damage rate based on damage boundary theory.

    以苏打饼干为研究对象,应用破损边界理论,设计相关实验,测试饼干不同破损条件下各个方位速度变化加速度,构造饼干的破损边界曲线。

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  • The moving reference frame is used in the impeller region and the boundary conditions are velocity inlet and pressure outlet.

    计算时对于叶轮区域采用旋转参考系的方式,边界条件分别进口速度边界条件以及出口压力边界条件。

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  • Based on the dynamical differential equations for the velocity boundary layer, dynamic integrate equation is drawn.

    边界层动态微分方程出发,按照速度边界层有关理论,推导出了边界层动态积分方程

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  • The vertical structures of temperature and wind in the boundary layer also have an effect on the vertical distribution of low-frequency spectra of horizontal wind velocity.

    边界层温度风速垂直结构影响水平风速低频谱的垂直分布

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  • The vapor liquid two boundary layer model is applied to predict local mass concentration of the non condensable gas, temperature profiles and velocity profiles in the boundary layer.

    模型考虑了膜之间质量连续及能量连续特征。 对于不同壁面过冷度,数值方法首次求解并分析了边界层局部气体质量分数、温度速度分布规律。

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  • Analysis has been made on the velocity distribution within the boundary layer nearby the floor.

    壁处边界层流速分布进行分析

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  • A generalized variational principle involving conditions of the rigid-plastic interface and the discontinuous surface of a velocity field has been put forward for the mixed-boundary value problem.

    提出一个包括界面条件间断条件在内混合问题广义原理,建立了极限载荷乘子的变分解析公式。

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  • The velocity of particle around the boundary is revised by the results of perceiving to enhance the searching around the boundary.

    边界附近粒子感知结果被用来修正其飞行速度加强算法对约束边界搜索

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  • The analysis result of velocity distribution and boundary layer thickness is put forward in the boundary layer and cored region for laminar and turbulent flow of pipeline.

    采用动量积分方法推出了管道流动中的速度边界层方程,给出了管道层流紊流时速度边界层和核心区中的速度分布、边界层厚度解析结果,并冯。

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  • The method is concise and practical, and uses advanced "fast simulation method" to calculate missile launch boundary which makes calculating velocity much faster.

    方法简洁实用而且使用先进快速模拟法计算导弹允许攻击区,使计算速度大大提高。

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  • The dynamical respondent functions dependent of the time and the space for the velocity boundary layer are different from the classical results.

    在对边界层速度合理假设基础上,求解了动态积分方程,给出了时间空间变化边界层厚度响应函数

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  • A successive approximation method is suggested without value limit of wave velocity. The formulas for calculating the initial propagation velocity of reverse plastic loading boundary are also given.

    建议一个受波速限制逐步近似给出反向塑性加载边界传播速度计算

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  • For the flow of a jet or a wake, we may consider a flow field without solid boundary but with a point of inflection in the velocity profile.

    射流尾流视为边界速度剖面具有拐点流动

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