Experimental study on the shape of plunge pool in the Horizontal Swirl Spillway TunnelHeng Zhou, Hui Li, Ruijiao Xing, Xinlei Guo, Haitao Wang and Shengjie DiE3S Web Conf., 276 (2021) 01025DOI: https://doi.org/10.1051/e3sconf/202127601025