%0 Journal Article %T Advanced Sizing Methodology for a Multi-Mode eVTOL UAV Powered by a Hydrogen Fuel Cell and Battery %A An, Jae-Hyun %A Kwon, Do-Youn %A Jeon, Kwon-Su %A Tyan, Maxim %A Lee, Jae-Woo %J Aerospace %V 9 %N 2 %@ 2226-4310 %D 2022-01-27 %I Multidisciplinary Digital Publishing Institute %~ DeepDyve