Eel Tile Hydrodynamics and Canopy Flow Analyses

This data is from a study examining the flow within and around eel tiles to evaluate them as a flow attenuation measure to facilitate fish passage at high-velocity barriers. The flow was analysed through PIV and PIVlab in Matlab. We found that the tiles locally reduced flow velocity but also increased turbulence. The attached spreadsheet features the turbulent parameters results and the streamwise velocity reduction with all abbreviations outlined in the paper containing the analysis of this data. Configuration SP refers to the tile being mounted with small protrusions near the wall and LP with the large protrusions near the flume wall. Treatments 1-6 increase in bulk velocity and keep flow depth constant while treatments A-E increase flow depth and keep bulk velocity constant. Treatments 4 and C are the same.本数据集源自一项研究，该研究聚焦鳗鱼砖（eel tiles）内部及周边的流场特性，旨在评估其作为消流措施（flow attenuation measure）在高速拦河障碍（high-velocity barriers）处辅助鱼类通行（fish passage）的可行性。研究采用粒子图像测速法（Particle Image Velocimetry，PIV）结合Matlab平台的PIVlab工具开展流场分析。结果显示，此类砖体可在局部降低水流流速，但同时也会增强湍流强度。 随附的电子表格包含湍流参数（turbulent parameters）计算结果与沿程流速（streamwise velocity）衰减数据，所有缩写均已在本数据集分析对应的研究论文中明确说明。其中，配置SP指砖体于水槽（flume）槽壁附近加装小型凸起结构，配置LP则指砖体于水槽槽壁附近加装大型凸起结构。处理组1至6的体平均流速（bulk velocity）依次递增且维持水深恒定，而处理组A至E则保持体平均流速不变且逐步增加水深。此外，处理组4与处理组C为同一工况。