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...
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...
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...
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...
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-...
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...
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...
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...
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 ...
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...