PIV dataset for 'The leading-edge vortex of yacht sails' (OE, Arredondo-Galeana and Viola, 2018, Fig. 9, 10, 11, 12)

Matlab files for Figures 9, 10 and 11 of journal paper "The leading-edge vortex of yacht sails" of article in press in Ocean Engineering. All velocity values to be normalised with Ufreestream = 0.114 m/s, x and y data in mm. 1) Fig9_Averaged_Flow_Fields data set contains the averaged velocity fields of planes A, B and C in x,y,u,v format (117649 rows, 1 column or a 343x343 matrix). 2) Fig10_Fig11_Instantaneous_Flow_Fields data set contains the instantaneous velocity fields of planes A, B and C in x,y,u,v format (117649 rows, 306 columns or a 343x343x306 matrix). 3) Fig10_Fig11_Gamma2_Contours contains the Gamma2 contours and the subtracted flow field for planes A, B and C, presented in Fig 10 and Fig 11. An additional XY dataset is provided for providing a reference plane. 4) Supplementary material in PDF format for Derivation_of_kappa. 5) Supplementary material in PDF format for Gamma2contours used for kappas used in Fig12. 6) Supplementary material in PDF.format for Fig12 calculated values

本数据集包含发表于《海洋工程（Ocean Engineering）》期刊、处于待刊状态的论文《游艇帆前缘涡（The leading-edge vortex of yacht sails）》中的图9、图10及图11对应的Matlab数据文件。所有速度值均以自由流速度Ufreestream = 0.114 m/s进行归一化处理，x、y坐标数据单位为毫米（mm）。1) 图9平均流场数据集（Fig9_Averaged_Flow_Fields）包含A、B、C三个平面的平均速度场数据，格式为x,y,u,v形式，数据规模为117649行1列，或等价于343×343的二维矩阵。2) 图10与图11瞬时流场数据集（Fig10_Fig11_Instantaneous_Flow_Fields）包含A、B、C三个平面的瞬时速度场数据，格式为x,y,u,v形式，数据规模为117649行306列，或等价于343×343×306的三维矩阵。3) 图10与图11的Gamma2等值线数据集（Fig10_Fig11_Gamma2_Contours）包含对应图10、图11中A、B、C三个平面的Gamma2等值线与差分流场数据，同时提供了额外的XY参考平面数据集作为参照基准。4) 包含Derivation_of_kappa（κ推导过程）的PDF格式补充材料。5) 包含用于生成图12中κ（kappa）值所需Gamma2等值线的PDF格式补充材料。6) 包含图12计算值的PDF格式补充材料。