Results 21 to 30 of about 51,014 (299)
Xibei Gongye Daxue XuebaoThe numerical calculation model for the aero-acoustic analysis of a tilt rotor was established by combining the free wake method and the FW-H (Ffowcs Williams-Hawkings) equation.
YUAN Mingchuan +4 more
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Xibei Gongye Daxue XuebaoTo investigate the impact of the aerodynamic interference among multirotors on the characteristics of vortex rings and their underlying mechanisms, a combination of detached eddy simulation (DES) and overset grid methods to simulate the unsteady ...
LI Yinhan +4 more
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, 2008 This paper discusses in detail the contributions made in the field of water impact from 1982 to 2006 and provides a summaryof the major theoretical, experimental, and numerical accomplishments, up to and including the latest present-day Europeanprograms ...
Hughes, Kevin, Campbell, James C.
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Analysis of aerodynamic characteristics of helicopter biplane tailplane
Xibei Gongye Daxue XuebaoTo analyze the aerodynamic characteristics of helicopter biplane tailplane, computational models for helicopter biplane tailplane and monoplane tailplane were established via CFD.
SUN Huixun +5 more
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Transient Vibration Loads Characteristics Analysis of Variable Speed Rotor
Applied SciencesTo investigate the rotor vibration loads during the variable speed transient process, a transient rotor aeroelastic method based on the medium beam deformation theory and Hamilton’s principle is developed to simulate the rotor transient dynamic loads in ...
Zhihao Yu +3 more
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Simulation study of helicopter ship landing procedures incoporating measured flow data [PDF]
, 2005 The aim of this article is to investigate the use of inverse simulation to help identify those regions of a ship's flight deck which provide the safest locations for landing a rotorcraft in various atmospheric conditions.
Galbraith, R. +7 more
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Parametric influence numerical simulation study on blade serrations for noise reduction
Hangkong gongcheng jinzhanAt present, the rotors of multi-rotor drones have serious noise problems. This study investigates the influence and noise reduction mechanism of trailing-edge serrations on rotor aerodynamic noise based on bionics principles.
XIE Xinglong +3 more
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Modelling the helicopter rotor aerodynamics at forward flight with free wake model and URANS method
Aviation, 2020 The presented work is dedicated to the numerical study of the aerodynamic characteristics of the helicopter rotor. Two approaches to modeling of the rotor are applied: the free wake model developed by the Authors with using steady airfoil characteristics
Yuri Ignatkin +3 more
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A Novel Active Vibration Control Method for Helicopter Fuselages Based on Diffusion Cooperation
International Journal of Aerospace Engineering, 2023 Against the background of low-frequency vibration control for a helicopter fuselage in flight, active control of structural response (ACSR) has been employed for vibration control design.
Jingliang Li, Yang Lu
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Research on Pilot Control Behavior in Helicopter Target Tracking Tasks
Nanjing Hangkong Hangtian Daxue XuebaoDuring helicopter operations for target tracking tasks， pilots perceive the current flight state through visual and motion cues， thereby generating corresponding control behaviors.
HE Zhixin, WANG Luofeng, CHEN Renliang
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