HOVER

作品数:40被引量:70H指数:4
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相关领域:航空宇航科学技术更多>>
相关作者:霍科科李峰景昊兰飞王瑛更多>>
相关机构:卡骆驰公司陕西理工大学诺梵(上海)系统科技股份有限公司上海易点时空网络有限公司更多>>
相关期刊:《汽车与配件》《现代表面贴装资讯》《汽车与驾驶维修(汽车版)》《电脑知识与技术》更多>>
相关基金:国家自然科学基金中国航空科学基金中国博士后科学基金国家科技支撑计划更多>>
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Aerodynamic analysis of rotor-to-rotor interactions in different octocopter configurations
《Chinese Journal of Aeronautics》2025年第3期292-315,共24页Aqib AZIZ Yongjie SHI Yang LIU Guohua XU 
supported by the National Natural Science Foundation of China(No.11972190).
Rotor-to-rotor interaction among neighboring rotors of a multirotor has great significance for aerodynamically efficient multirotor design. Current research is conducted to analyze aerodynamic performance of different...
关键词:Rotor-to-rotor interaction Virtual blade method Octocopter configurations Aerodynamically efficient HOVER Forward f1ight 
A high-resolution numerical investigation of unsteady wake vortices for coaxial rotors in hover
《Chinese Journal of Aeronautics》2024年第11期278-299,共22页Shaoqiang HAN Wenping SONG Zhonghua HAN Jianhua XU 
High-resolution numerical simulations for wake vortical flows have long been a challenge in rotor aerodynamics.A novel spectrum-optimized sixth-order Weighted Essentially NonOscillatory(WENO)scheme is proposed to disc...
关键词:Coaxial rotor Blade tip vortex Secondary vortex High-order scheme IDDES Moving overset grid 
Lift system optimization for hover-capable flapping wing micro air vehicle
《Frontiers of Mechanical Engineering》2024年第3期61-75,共15页Shengjie XIAO Yongqi SHI Zemin WANG Zhe NI Yuhang ZHENG Huichao DENG Xilun DING 
supported by the National Natural Science Foundation of China(Grant Nos.51975023 and 52322501).
A key challenge is using bionic mechanisms to enhance aerodynamic performance of hover-capable flapping wing micro air vehicle(FWMAV).This paper presented a new lift system with high lift and aerodynamic efficiency,wh...
关键词:lift optimization flapping wing elastic energy hovering flapping mechanism 
A novel high-order scheme for numerical simulation of wake flow over helicopter rotors in hover被引量:5
《Chinese Journal of Aeronautics》2022年第5期260-274,共15页Shaoqiang HAN Wenping SONG Zhonghua HAN 
co-supported by the National Natural Science Foundation of China(No.12072285);Shaanxi Science foundation for Distinguished Young Scholars,China(No.2020JC-13)。
Accurate prediction of tip vortices is crucial for predicting the hovering performance of a helicopter rotor.A new high-order scheme(we call it WENO-K)proposed by our research group is employed to minimize numerical d...
关键词:Dynamic overset grid Helicopter rotors High-order scheme Unsteady flow Vortex flow WENO scheme 
Low Dissipation Simulation for Vortex Flowfield of Rotor in Hover Based upon Discontinuous Galerkin Method
《Transactions of Nanjing University of Aeronautics and Astronautics》2021年第6期975-983,共9页BIAN Wei ZHAO Qijun ZHAO Guoqing 
supported by the National Natural Science Foundation of China(Nos.12072156, 12032012);the Foundation of Rotor Aerodynamic Key Laboratory (No.RAL20190102);the Priority Academic Program Development Project of Jiangsu Higher Education Institutions(PAPD)。
The discontinuous Galerkin(DG) method is established and innovatively conducted on accurately simulating the evolution of blade-tip vortex and the aerodynamic characteristics of helicopter rotor. Firstly,the Reynolds-...
关键词:blade-tip vortex discontinuous Galerkin(DG)method Navier-Stokes(N-S)equations aerodynamic characteristics helicopter rotor 
A Computational Study on Lateral Flight Stability of the Cranefly in Hover
《Computer Modeling in Engineering & Sciences》2021年第8期669-685,共17页Na Xu Shuaizhi Zhou Chunchen Zhang Xiaolei Mou 
This work was supported by grants from the National Natural Science Foundation of China(Nos.11802262 and 11502228).
The dynamic flight stability of hovering insects includes the longitudinal and lateral motion.Research results have shown that for the majority of hovering insects the same longitudinal natural modes are identified an...
关键词:Flapping flight cranefly lateral flight stability natural modes of motion computational fluid dynamics 
Numerical investigation of full scale coaxial main rotor aerodynamics in hover and vertical descent被引量:2
《Chinese Journal of Aeronautics》2021年第5期666-683,共18页Pavel V.MAKEEV Yuri M.IGNATKIN Alexander I.SHOMOV 
The original free vortex wake model was used for numerical investigation.Calculation of the aerodynamic characteristics in hover and vertical descent modes in the range of vertical descent speed of 0–30 m/s including...
关键词:Aerodynamic characteristics Coaxial rotor Free wake model Hover and vertical descent Vortex ring state mode 
Hover performance of helicopter main and tail rotors with swirl velocities
《航空动力学报》2021年第1期119-129,共11页YANG Kelong HAN Dong 
National Natural Science Foundation of China (11972181);the Six Talent Peaks Project in Jiangsu Province(GDZB-013);the Open Research Foundation of the Key Rotor Aerodynamics Laboratory(2005RAL20200104)。
It is important to quickly predict the hover performance of main and tail rotors with sufficient precision for helicopter design. To investigate the effects of swirl velocities on the hover performance of main and tai...
关键词:swirl velocities hover performance main and tail rotors blade loading rotor power 
Fast level-flight to hover mode transition and altitude control in tiltrotor’s landing operation
《Chinese Journal of Aeronautics》2021年第1期181-193,共13页Ningjun LIU Zhihao CAI Yingxun WANG Jiang ZHAO 
co-supported by the Beijing Municipal Sci-Tech Program (No. Z181100003218015);the Fundamental Research Funds for the Central Universities, China (No. YWF-20-BJ-J-542)。
An attempt is made to implement a faster level-flight to hover mode transition in tiltrotor’s landing process for the purpose of shortening its landing time. A three-stage tiltrotor landing maneuver is designed, and ...
关键词:TILTROTOR Transition Flight control VTOL UAV ADRC 
Two new species in the genus Eumerus Meigen(Diptera:Syrphidae)from Inner Mongolia,China被引量:2
《Entomotaxonomia》2020年第4期275-281,共7页Mixia SONG Aiping LIU Keke HUO Li SHI Lin GAN 
This research is supported by the science and technology project of Alxa League(AMYY202020-1).
This paper describes two new species in the genus Eumerus Meigen,1822(Diptera:Syrphidae)from Alashan Right Banner of China.Eumerus alxaensis Huo&Liu sp.nov.is similar to E.tuberculatus Rondani,but differs from the lat...
关键词:Eristalinae Eumerini hover flies taxonomy 
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