Results 11 to 20 of about 34,020 (251)
Investigation into the Interaction of Nose Landing Gear and Fuselage Dynamics [PDF]
Journal of Aircraft, 2016 Pilots may experience vibrations in the cockpit during ground maneuvers because of energy being transferred from the nose landing gear to the fuselage. This indicates that the fuselage dynamics could also have an effect on the dynamics of the gear. To study this interaction, a mathematical model of a nose landing gear coupled to a fuselage model with ...
Kewley, Sarah E +3 more
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Simulation of Nose Landing Gear Shimmy with Flexible Airframe Considered [PDF]
Xibei Gongye Daxue Xuebao, 2018 Shimmy stability of the nose landing gear of an aircraft is studied in this paper. Firstly, Shimmy model was built considering the dynamic characteristics of the airframe. Then the critical damping, critical velocity and frequency range of the shimmy are
Yi Chen +3 more
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Nose Landing Gear Shimmy Analysis with Variable System Stiffness Under Time-Varying Load
AerospaceVertical load fluctuations alter nose landing gear (NLG) system stiffness and complicate shimmy dynamics. Based on the full-scale NLG static stiffness test data, the relationship between shock absorber stroke and system stiffness was fitted, and a ...
Yiyao Jiang +3 more
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Advances in Mechanical EngineeringThe centering mechanism of the nose landing gear is crucial for aircraft operational safety, particularly during the takeoff and landing processes. To address the failure of the return function observed in a certain aircraft, this paper establishes a ...
Shuai Zhao, Ye Zhao
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IET Electric Power ApplicationsThis study investigates the modelling and predictive control methods for electromechanical actuators (EMAs) used in the retraction and extension system of all‐electric nose landing gears.
Ming‐Yen Wei
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FluidsTo optimize and improve the nose landing gear shock absorber of a fixed-wing carrier-based aircraft, the cross-sectional area of the oil needle in the main oil orifice and the cross-sectional area of the oil return orifice shall be reconfigured. Firstly,
Wenlin Liu +4 more
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Xibei Gongye Daxue XuebaoThe landing gear dynamics test is an important means to verify whether the structural parameter characteristics meet the design requirements in the research and development process, and the simulation accuracy of the dynamic process constraint conditions
CUI Panli +4 more
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Aerodynamics of a Gulfstream G550 Nose Landing Gear Model [PDF]
15th AIAA/CEAS Aeroacoustics Conference (30th AIAA Aeroacoustics Conference), 2009 In this paper we discuss detailed steady and unsteady aerodynamic measurements of a Gulfstream G550 nose landing gear model. The quarter-scale, high-fidelity model includes part of the lower fuselage and the gear cavity. The full model configuration allowed for removal of various gear components (e.g. light cluster, steering mechanism, hydraulic lines,
Dan Neuhart +2 more
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Stability Analysis of Nonlinear Models of Nose Landing Gear Shimmy
World Journal of Engineering and TechnologyShimmy can reduce the service life of the nose landing gear, affect ride comfort, and even cause fuselage damage leading to aircraft crashes. Taking a light aircraft as the research object, the torsional freedom of landing gear around strut axis and ...
Jiacai Zhou +3 more
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Simulation of the hydraulic steering device, for a nose landing gear
IOP Conference Series: Materials Science and Engineering, 2022 The hydraulic steering simulation is done with SIMULINK, part of the MathWorks MATLAB® application. All parts, subassemblies, and assemblies that define the nose landing gear (NLG) and nose wheel steering are fully defined in 3D, with CATIA V5 - a computer-aided design software used for modeling, it is possible to carry out simulations that allow ...
B. A. Nicolin, I. Nicolin
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