Results 11 to 20 of about 7,125 (216)
Some solvable non-linear equations related to aerodynamic instability phenomena
Vietnam Journal of Mechanics, 1994 This article proposes some forms of aerodynamic forces, looks for accurate solutions of core - pendent non-linear differential equations and analyses the characteristics of aerodynamic forces and of equation's solution.
Nguyen Dang Bich, Nguyen Vo Thong
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Modelling dynamic pantograph loads with combined numerical analysis
Railway Engineering Science, 2023 Appropriate interaction between pantograph and catenary is imperative for smooth operation of electric trains. Changing heights of overhead lines to accommodate level crossings, overbridges, and tunnels pose significant challenges in maintaining ...
F. F. Jackson +8 more
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A Fast Correction Method of Model Deformation Effects in Wind Tunnel Tests
Aerospace, 2018 The influence of model deformation needs to be corrected before the aerodynamic force data measured in the wind tunnel is applied to aircraft design. In order to obtain the aerodynamic forces on rigid model shape, this paper presents a fast correction ...
Yan Sun +3 more
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The effects of surface roughness on the aerodynamic drag coefficient of vehicles
International Journal of Automotive Science and Technology, 2022 In this study, the effects of surface roughness differences of vehicle coating materials (paint, paste, special applications, etc.) on the aerodynamic drag coefficient were inves-tigated using the finite element method.
Kemal Ermiş +2 more
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Advances in Civil Engineering, 2022 In order to study the nonlinear characteristics of self-excited aerodynamic forces of bluff body bridge section with the change of motion parameters, a numerical wind tunnel is established by the dynamic mesh technique of computational fluid dynamics ...
Jie Jia +3 more
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A Comparative Assessment of Aerodynamic Models for Buffeting and Flutter of Long-Span Bridges
Engineering, 2017 Wind-induced vibrations commonly represent the leading criterion in the design of long-span bridges. The aerodynamic forces in bridge aerodynamics are mainly based on the quasi-steady and linear unsteady theory.
Igor Kavrakov, Guido Morgenthal
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Aeroservoelastic flutter and frequency response interactions on the CL-704 aircraft [PDF]
INCAS Bulletin, 2012 Two methods for the aerodynamic forces conversions from frequency into Laplace domain were conceived and validated: Least Squares LS and Minimum State MS, on the Bombardier CL-604 aircraft.
Martin DICKINSON +5 more
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Aeroelastic Stability of an Aerial Refueling Hose–Drogue System with Aerodynamic Grid Fins
Aerospace, 2023 In this work, the aeroelastic stability of an aerial refueling system is investigated. The system is formed by a classical hose and drogue, and the novelty of our work is the inclusion of a grid fin configuration to improve its stability.
Keyvan Salehi Paniagua +2 more
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Determination of Aerodynamic Forces and Control Requirement during Ground Effect
International Journal of Aviation, Aeronautics, and Aerospace, 2019 The current work delivers the effect of ground proximity on longitudinal aerodynamic forces and the elevator deflection required for trimming the aircraft.
Ambuj Srivastava
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Advances in Bridge Engineering, 2022 Wind tunnel tests remain crucial to solving the wind-induced issues, such as buffeting. The turbulence impacts on the aerodynamic forces is vital to buffeting responses of a bridge, which has been neglected, for that traditional passive wind tunnel test ...
Lin Zhao +4 more
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