Investigations on the Effect of Inclination Angle on the Aerodynamic Performance of a Two-Stage Centrifugal Compressor of a Proton Exchange Membrane Fuel Cell System. - Wang, Wenke; Yang, Dengfeng; Guo, Li; Wu, Rui; Zhou, Xiangyi; Zhang, Qian; Kong, Qingyi; Hu, Leon (Energies (19961073), 2025)