Flow characteristics analysis of an extra–high–head pump–turbine with splitter–blades under high pressure-pulsation conditionXingxing Huang, Xiaoying Huang, Huili Bi, Yanqing Huang, Buchao Xu and Zhengwei WangE3S Web Conf., 561 (2024) 02029DOI: https://doi.org/10.1051/e3sconf/202456102029