Browsing by Author "Sunan, Burak"

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    Computational fluid dynamics analysis of a quadrotor
    (Bahçeşehir Üniversitesi Fen Bilimleri Enstitüsü, 2014-01) Sunan, Burak; Özcan, Oktay
    Quadrotor, which is capable of VTOL (Vertical Take-off and Landing) by means of four propellers, is a commonly used UAV (Unmanned Aerial Vehicle) for lifting loads, civil or military observations and also entertainment. Various quadrotor types are available, for instance remotely controlled devices for lifting, civil observations and entertainment and autonomous controlled quadrotors for military services. There are many studies on how to control VTOL UAVs. The most remarkable issue is the determination of lift, thrust and drag forces. These forces are measured via experimental platforms, thus the static forces can only be determined with these types of platforms. The measurements of dynamic forces on UAVs are really difficult. However, CFD (Computational Fluid Dynamics) analyses make the dynamic force determination easier. Not only lift and drag forces on propellers but also the aerodynamics effects on quadrotor body can be simulated with suitable CFD processes. The aim of the present study is to analyze a quadrotor via CFD and determine the aerodynamics behavior of a quadrotor.