高性能螺旋桨优化设计
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摘要
无人多旋翼飞行器使用的桨叶以固定翼螺旋桨为主,但其气动环境与固定翼不尽相同。使用逆向重构技术对原始桨叶进行参数化建模,并基于CFD数值计算技术对参数化基准模型的扭转角分布规律和叶型积叠方式在垂直飞行状态下进行优化设计。结果表明:在功率允许范围内,桨叶在悬停状态下的效率有了较大提升。
The propeller blades used in unmanned multi-rotor aircraft are mainly fixed-wing propellers,but their aerodynamic environments are not the same.The parametric modeling of the original blades is established by using the inverse reconfiguration technique and based on CFD technology the design of the parametric reference model's torsional angle distribution and the leaf-type stacking pattern in the vertical flight state is optimized.The results show that the efficiency of the blade in the hovering state is greatly improved within the power allowable range.
The propeller blades used in unmanned multi-rotor aircraft are mainly fixed-wing propellers,but their aerodynamic environments are not the same.The parametric modeling of the original blades is established by using the inverse reconfiguration technique and based on CFD technology the design of the parametric reference model's torsional angle distribution and the leaf-type stacking pattern in the vertical flight state is optimized.The results show that the efficiency of the blade in the hovering state is greatly improved within the power allowable range.
引文
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[3]刘国强.基于遗传算法的直升机旋翼桨叶气动外形优化设计[D].南京:南京航空航天大学,2011.Liu Guoqiang.Optimization design of aerodynamic shape for helicopter rotor blades based on genetic algorithm[D].Nanjing:Nanjing University of Aeronautics and Astronautics,2011.(in Chinese)
[4]王豪杰,李杰,付炜嘉,等.无人机螺旋桨气动力设计[J].应用力学学报,2012,29(4):380-385.Wang Haojie,Li Jie,Fu Weijia,et al.Aerodynamic design of a drone propeller[J].Chinese Journal of Applied Mechanics,2012,29(4):380-385.(in Chinese)
[5]谢辉,王力,张琳.一种适用于中小型无人机的新型螺旋桨设计[J].航空工程进展,2015,6(1):71-76.Xie Hui,Wang Li,Zhang Lin.A new type of propeller design for the medium/small UAV[J].Advances in Aeronautical Science and Engineering,2015,6(1):71-76.(in Chinese)
[6] GaoYe.T-motor tests with cylindrical grains[J].Journal of Engineering Thermophysics,1983.
[7] Westmoreland W S.Modeling propeller flow-fields using CFD[J].AIAA Journal,2008,40(2):296-305.
[8] Masche E.XOAR wwi propellers[J].Fly Rc,2011,97:34-37.
[9]朱成龙.基于NUMECA和iSIGHT的叶轮机械三维气动优化设计的研究[D].哈尔滨:哈尔滨工程大学,2008.Zhu Chenglong.Research on three-dimensional aerodynamic optimization design of impeller machinery based on NUMECA and iSIGHT[D].Harbin:Harbin Engineering University,2008.(in Chinese)
[10]任建勋.空气螺旋桨逆向建模[J].机械工程师,2014(6):132-133.Ren Jianxun.Reverse modeling of air propellers[J].Journal of Mechanical Engineers,2014(6):132-133.(in Chinese)
[11]赵屹.基于NUMECA的小型风扇性能优化研究[D].杭州:浙江理工大学,2012.Zhao Yi.The performance optimization research of small fan based on NUMECA[J].Hangzhou:Journal of Zhejiang University of Science and Technology,2012.(in Chinese)
[12]赵忠.螺旋桨特性风洞实验技术研究[D].西安:西北工业大学,2007.Zhao Zhong.Research on the experimental technique of propeller with wind tunnel[D].Xi’an:Northwestern Polytechnical University,2007.(in Chinese)
[13]王裕夫,刘振国,陶国权.某高空螺旋桨气动特性数值模拟与风洞试验[J].北京航空航天大学学报,2013,39(8):1102-1105.Wang Yufu,Liu Zhenguo,Tao Guoqun.Numerical simulation of high altitude propeller’s aerodynamic characteristics and wind tunnel test[J].Journal of Beijing University of Aeronautics and Astronautics,2013,39(8):1102-1105.(in Chinese)
[14]张顾钟.离心风机优化设计方法研究[J].风机技术,2011(5):26-30.Zhang Guzhong.Investigation on optimal design method for centrifugal fan[J].Fan Technology,2011(5):26-30.(in Chinese)