Study on Calculation Method of Inlet Steam Flow of External Steam Cooler in Feedwater Heating SystemLingkai Zhu, Qian Wang, Wei Zheng, Ziwei Zhong, Yue Han, Panfeng Shang, Junshan Guo and Zhiqiang GongE3S Web Conf., 358 (2022) 02056DOI: https://doi.org/10.1051/e3sconf/202235802056