流线图

论述了基于MATLAB下绘制气象图的方法，运用MATLAB绘制气象上的流线图，为MATLAB在气象绘图领域的应用提供参考。

In the paper , a MATLAB-based method for drawing meteorological figures is presented . Specifically , three MATLAB-based meteorological streamline figure examples are illustrated , which are applied to obtain solution in the meteorological figure domain .

应用CFD软件Fluent6.0模拟圆管的内部流场以解决其局部损失问题，与现有的解析和实验结果进行了比较，并显示了圆管内部流动的流线图。

Inner flow field of round pipe was numerically simulated with fluent software to solve the problem of local loss . The results were compared with the present analytical and experimental solution . The streamline of inner flow field of the round pipe was displayed .

PIV测量得到流场速度矢量图及流线图，扰动波幅与波形特征说明，Re数一定时流动稳定性随H值增大而提高。

Diagrams of velocity vectors and streamlines display waveform and amplitude properties , showing the effect of fibres on enhancing the flow stability .

文中基于Lighthill和Hunt等的工作，建立了适用于分析叶栅表面摩擦力线和截面流线图的拓扑法则。

Based on the working of Lighthill and Hunt et al .

对管道沿程压降、速度矢量和流线图进行了分析，并与实验数据对比验证了以Burgers模型为力学仿真模型描述膏体合理可行性。

Analysis methods and application software on the pipeline pressure drop along the way , the velocity vector and streamlines the analysis , by comparison with experimental data validation paste reasonable feasibility of the Burgers model for the mechanical simulation model to describe .

采用定常湍流N-S方程，数值模拟了水平井筒湍流变质量流场，通过分析轴线压降和孔眼附近三维流线图，研究注入比对水平井筒压降的影响规律及混合压降产生的机理。

The turbulent flow field in the horizontal well completed with perforation was simulated by solving the N-S equations . The effects of injection ratio on pressure drop and the mechanism of mixing pressure drop were studied by the analysis of axial pressure drop and three dimensional stream lines .

计算所得的流线图，涡量分布以及雷诺应力分布具有与实验结果相似的分布规律。

Also the theoretical results of Reynolds Stress variation show good agreement with experimental results .

给出了各工艺条件下的流场图及相关流线图。

The figs of flow field and path line in different operating conditions were given .

利用本算法提取的特征拓扑流线图结构清晰、特征完整。

This algorithm can extract a flow feature image with clear structure topology and complete feature .

得到了通道中流动测量截面上的速度矢量图和流线图。

We got the velocity vector pictures and stream pictures of the flow field in the tested sections .

通过对沉浮运动一个周期流线图的分析，认为这是翼型前缘涡的影响造成的。

An analysis of periodic flow streamlines shows that it is probably due to the effect of leading edge vortex .

结果表明，模型实验与数值计算的流线图吻合得很好、速度矢量图形状比较一致，可有望用这一方法模拟室内非等温送风的温度场分布。

The result showed that the model test agrees well with numerical simulation . It is a feasible moled test method .

计算并绘制了流线图，由此分析了淹没面流时底旋滚长度和佛劳德数的关系。

The patterns of the streamlines were calculated and drawn , and then , the reattachtnent properties were stu-died varying with Froude numbers .

通过数值计算得到了液-液水力旋流器内流体流动的速度矢量图、流线图和油相及水相等浓度分布图。

The velocity vectograph and motion pattern of the flow in the hydrocyclone and the isoconcentration distribution diagram of the oil phase are calculated .

压力差阶跃变化的情况下，做出了流动场随时间变化的流线图和流量及再附着点距离的时间变化图。

The time-dependent streamlines and variations of the flow rate and the distance of reattachment point for a suddenly imposed pressure gradient have been shown .

抽取不同时间子步的流场和结构场结果，得到了这些时间子步的压力等值线和流速流线图。

The flow field and the structure field results in different time steps are abstracted . The pressure contours and the velocity streamlines in these time steps are got .

给出了等位线图和流线图，表明低电导率对电位分布和电流流向的影响不可忽视。

Electric potential contour and current streamline figures show that it is important to consider the effect of the low conductivity of skull on electric potential and current flow .

通过详细取得典型截面流线图使得对涡旋的产生、发展以及耗散有了进一步认识。

It is the first case home and abroad to have a further understanding about the generation , development and dissipation of the vortex by the streamline plot of a typical section .

通过数值计算得到了水力旋流器内流体流动的流线图、等压线以及速度矢量图，并且研究了不同参数（分流比、进口压力以及溢流管直径）对分离效率的影响。

The fluid streamline and pressure distribution and velocity vectogram of the flow in hydrocyclone are given in this paper , and the effects of variation in parameters ( flow rate , inlet pressure and diameter of overfall pipe ) on separation efficiency are studied .

建立基本功能流程和流线关系图。

Establish the basic functional processes and the flow line diagram .

结果包括回流区特征及预示的平均流线分布图。

The results include recirculation zone characterization and predicted mean streamline pattern .

本文采用N&S流体力学方程描述喷射系统内部流体运动的状况，用罚函数有限元法进行数值仿真，得到速度矢量及流线分布图，模拟流体运动的规律。

The fluid motion inter a jet system is described by the Navier-Stokes fluid mechanics equations and is simulated with the penalty finite element method in this paper . The velocity vectors and stream function curves are obtained for simulation purpose .