Dataset for Turbulent Flow in Binary Barchan Interaction: PIV_Single_Dune

The following folders contain data obtained from two-dimensional Particle Image Velocimetry (2D-PIV) experiments for each region where measurements were conducted. Due to the domain size and experimental constraints, the domain containing the barchan dune interacting with a turbulent water flow was divided into three sections (parts). Along the folders, these portions of the domain are referred to as part_1, part_2, and part_3. Cross-correlated PIV data, in vc.7 format, obtained from the commercial software DaVis, are made available. However, due to size restrictions of this data repository, only 10% of the total of 2,000 temporal velocity fields are included. Post-processed data, saved as Matlab matrices, are also made available, corresponding to the total of the 2,000 temporal velocity fields. Additionally, Matlab codes are provided to generate the matrices from the data on DaVis and to plot pertinent results. Note that this folder contains only data from experiments on single dunes. In each subfolder is provided an explanation of its contenent.以下文件夹包含针对各测量区域开展的二维粒子图像测速（2D-PIV，two-dimensional Particle Image Velocimetry）实验所获取的实验数据。受实验域尺寸与实验条件限制，涉及新月形沙丘与紊流水流相互作用的实验域被划分为三个区段。在本数据集的文件夹中，该实验域的这三个区段分别被命名为part_1、part_2与part_3。本次公开的交叉相关PIV数据采用vc.7格式，由商业软件DaVis生成。但受本数据集仓库的存储空间限制，仅提供了全部2000个时序速度场中10%的数据。同时公开的还有经后处理的Matlab矩阵格式数据，覆盖全部2000个时序速度场。此外，还附带提供了用于从DaVis格式数据生成上述矩阵并绘制相关结果的Matlab代码。请注意，本文件夹仅包含单个沙丘实验的相关数据。每个子文件夹中均附有其内容的说明文档。