基于CFD-MRF方法的高载荷无人机对旋螺旋桨设计与参数化研究

Q3 Engineering
R. Vijayanandh, R. Arul Prakash, R. Manivel, P. Kiran, R. Sudharsan, G. Raj Kumar, R. Raffik
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引用次数: 2

摘要

紧凑型无人机(UAVs)以其体积小、精度高等特点,在实时应用中得到广泛应用。但在基于高载荷应用的情况下,由于螺旋桨尺寸的增加以克服高载荷,小型无人机不适合执行任务。为了克服小型无人机在高载荷下的几何增量问题,基于同轴螺旋桨的推进系统是最佳替代方案,该系统能够提供高推力,且体积小,稳定性好。因此,对同轴螺旋桨及其性能的研究应运而生。同样,本文还对共轴螺旋桨的累积推力效应进行了对比研究。采用标准气动公式对共轴螺旋桨进行气动力计算,以验证其有效性。在CATIA中对共轴螺旋桨的概念设计进行了建模。利用ANSYS Fluent软件对无人机共轴螺旋桨的气动力进行了数值估计。在阻力比较之后,对螺旋桨之间的距离进行了优化调整。最后,对不同模型进行对比数值模拟,从而进行优化。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Design and Parametric Study of Counter-Rotating Propeller of Unmanned Aerial Vehicles for High-Payload Applications based on CFD-MRF Approach
The compact Unmanned Aerial Vehicles (UAVs) implementation in real-time applications is emerging everywhere because of its compact size, high accuracy, etc. But in the case of high payload based applications mini UAVs are unfit to execute the mission due to the increment in the propeller's dimensions to overcome high payload. To overcome such increment in geometry of a mini UAV for high payload issue, the co-axial propeller based propulsive system is the best alternate, which can be able to provide high thrust with compact size and more stability. Therefore, the study about co-axial propeller and its performance has emerged. Similarly, this work also deals with the comparative investigation about the cumulative thrust force effect on co-axial propeller. Aerodynamic force calculation on the co-axial propeller is executed with the help of standard aerodynamic formulae for validation purposes. The conceptual design of the co-axial propeller is modelled in CATIA. Numerical estimation of aerodynamic forces on UAV's co-axial propeller is analysed with the help of ANSYS Fluent. After the drag comparison, the distances between the propellers in the co-axial set-up are modified for optimization. Finally, the different models undergone comparative numerical simulation and thereby optimization took place.
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来源期刊
International Journal of Vehicle Structures and Systems
International Journal of Vehicle Structures and Systems Engineering-Mechanical Engineering
CiteScore
0.90
自引率
0.00%
发文量
78
期刊介绍: The International Journal of Vehicle Structures and Systems (IJVSS) is a quarterly journal and is published by MechAero Foundation for Technical Research and Education Excellence (MAFTREE), based in Chennai, India. MAFTREE is engaged in promoting the advancement of technical research and education in the field of mechanical, aerospace, automotive and its related branches of engineering, science, and technology. IJVSS disseminates high quality original research and review papers, case studies, technical notes and book reviews. All published papers in this journal will have undergone rigorous peer review. IJVSS was founded in 2009. IJVSS is available in Print (ISSN 0975-3060) and Online (ISSN 0975-3540) versions. The prime focus of the IJVSS is given to the subjects of modelling, analysis, design, simulation, optimization and testing of structures and systems of the following: 1. Automotive vehicle including scooter, auto, car, motor sport and racing vehicles, 2. Truck, trailer and heavy vehicles for road transport, 3. Rail, bus, tram, emerging transit and hybrid vehicle, 4. Terrain vehicle, armoured vehicle, construction vehicle and Unmanned Ground Vehicle, 5. Aircraft, launch vehicle, missile, airship, spacecraft, space exploration vehicle, 6. Unmanned Aerial Vehicle, Micro Aerial Vehicle, 7. Marine vehicle, ship and yachts and under water vehicles.
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