Effect of panel shape on hydrodynamic performances of vertical v-shaped double- slotted cambered otter-boardLei Wang, Xun Zhang, Lu Min Wang, Hong Liang Huang, Yu Zhang, Yong Li Liu, Wei Dong Feng and Rong Jun ZhangE3S Web Conf., 38 (2018) 03050DOI: https://doi.org/10.1051/e3sconf/20183803050