The effect of stabilizer sweep on aerodynamic characteristics of UVA
Nowadays armed forces of many countries of the world pay a lot of attention to unmanned aerial vehicles (UAV). It’s stated that estimation of stabilizers sweep can improve aerodynamic characteristics of UAV. We conducted mathematical simulation of UAV streamlining with different stabilizer sweep in conditions of approaching windflow at subsonic speed. It helped to study the impact of stabilizer sweep angle on changes of aerodynamic characteristics of UAV Predator. As a result of numeral computations with SolidWorks Flow Simulation, we received aerodynamic characteristics of UAV with different stabilizer sweep. We plotted graphs showing the dependence of aerodynamic coefficient from attack angle. Pressure fields in vertical plane of the stream were received. Research of pressure fields was conducted. We analysed the impact of the stream on changes of aerodynamic characteristics of UAV with back sweep and forward sweep stabilizers. We detected advantages of UAV with forward sweep stabilizers over UAV with back sweep stabilizers or without any sweep.
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