速度矢量图 meaning in Chinese
hodograph
Examples
- Diagrams of velocity vectors and streamlines display waveform and amplitude properties , showing the effect of fibres on enhancing the flow stability . the computational results are tested
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。 - In the paper , the computational results of all models are obtained , including 3 - d velocity field , 3 - d pressure field , and six aerodynamic coefficients . the results have good agreement with wind tunnel test
文中得出了客车外围流场的速度矢量图和压力分布图以及六个气动力系数,并将最终结果与风洞试验结果进行了比较,结果吻合较好。 - The tool software is visual c + + 6 . 0 . the software includes three main parts : ( 1 ) pre - processing , means carrying out denoising operation to the images with morphological filter : ( 2 ) after this , one of three kinds of methods can be selected to do the processing operation . ( 3 ) post - processing . this process is the complementarity to the step 2 . velocity profiles and the picture of vorticity correspond to the flow field can be got in this step and the processed data can be saved too
本软件主要实现的功能包括: ( 1 )用各种形态滤波器对实验中所获得的粒子图像进行去噪的预处理操作; ( 2 )对去噪后的图像采用三种方法进行处理操作,给出所测流场的速度矢量图; ( 3 )进行后处理,包括给出过滤后的速度矢量图、速度剖面图、涡量图和进行数据保存等。 - In this thesis , the basic arithmetic of piv software - cross - correlation arithmetic is introduced in detail , during the data process , through processing the two sequential images by the cross - correlation arithmetic , the vector charts of particles velocity can be obtained , so is the chart of absolute velocity , with velocity decomposed into the radial velocity and axial velocity
本文对试验所获得的连续图像通过互相关算法,获得颗粒速度矢量图,并将速度分解为径向速度和轴向速度,对每一小区域内的颗粒按速度方向不同进行速度平均,获得颗粒的平均速度分布曲线。