أرسل هذا في رسالة قصيرة: Aerodynamic Performance Analysis of VTOL Arm Configurations of a VTOL Plane UAV Using a Computational Fluid Dynamics Simulation

 _    _      ___      ____      _____     _____   
| |  | ||   / _ \\   |  _ \\   |  ___||  |__  //  
| |/\| ||  / //\ \\  | |_| ||  | ||__      / //   
|  /\  || |  ___  || | .  //   | ||__     / //__  
|_// \_|| |_||  |_|| |_|\_\\   |_____||  /_____|| 
`-`   `-` `-`   `-`  `-` --`   `-----`   `-----`