Sensitivity Analysis of the Key Design Parameters of Turbomachinery in the Closed Helium Cycle System of Pre-cooling Air Turbo Rocket EngineZeyang Zhao, Xiaotian Zhao, Haibo Ma, Xiangyi Nan and Jinxin LiuEPJ Web Conf., 361 (2026) 05001DOI: https://doi.org/10.1051/epjconf/202636105001