Advances in Aerodynamics | |
Flight simulation from takeoff to yawing of eVTOL airplane with coaxial propellers by fluid-rigid body interaction | |
Research | |
Shinichi Asao1  Seiichi Takeuchi1  Ritsuka Gomi2  Ayato Takii2  Masashi Yamakawa2  Momoha Nishimura2  | |
[1] Department of Mechanical Engineering, College of Industrial Technology, Hyogo, Japan;Department of Mechanical Engineering, Kyoto Institute of Technology, Kyoto, Japan; | |
关键词: Computational fluid dynamics; Moving grid; Coupled simulation; Flying car; eVTOL; | |
DOI : 10.1186/s42774-022-00133-x | |
received in 2022-09-03, accepted in 2022-11-17, 发布年份 2022 | |
来源: Springer | |
【 摘 要 】
In this study, we adopt a coupled fluid-rigid body simulation using the moving computational domain method and multi-axis sliding mesh method for the takeoff, hovering, and yawing flight of an electric vertical takeoff and landing aircraft (eVTOL). The aircraft model has four pairs of coaxial propellers, and the computational domain is divided into three domains to move the aircraft and eight propeller domains to rotate the propellers. As a result, we clarify the behavior and aerodynamic force of the aircraft when the input values are determined by the automatic control. The results in the flow field also show that the downwash spreads in a crisscross pattern on the ground, the wind reaches different ranges on the ground depending on the flight altitude, and that the coaxial propeller causes an asymmetry in the velocity field during yawing. Consequently, we conclude that this method is effective for the flight simulation of an eVTOL.
【 授权许可】
CC BY
© The Author(s) 2023
【 预 览 】
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