Results 21 to 30 of about 10,509 (314)

Bio-inspired nano rotor investigation based on UVLM

open access: yesBiosurface and Biotribology, 2019
Nano rotor is of great value in military and civilian applications. Due to its nano size, it works at an ultra-low Reynolds number and aerodynamic performance deteriorates dramatically.
Zhao Shanyong   +4 more
doaj   +1 more source

Dipole Approximation in the Calculation of the Perturbed Velocities

open access: yesTransport and Telecommunication, 2014
In this article we consider one of the approaches aimed at reducing time of calculation of aerodynamic characteristics of the studied objects using discrete vortex method.
Solovyov Oleg   +3 more
doaj   +1 more source

Aerodynamic Interference between Oscillating Lifting Surfaces and Fuselage Part 1: Oscillating Lifting Surfaces [PDF]

open access: yesINCAS Bulletin, 2013
This is the first of a series of articles that deal with the calculation of the aerodynamic unsteady forces on lifting surfaces (wing, empennages) in the presence of the fuselage. The aim of this work is multiple: the calculation of flutter, gust effect,
Valentin Adrian Jean BUTOESCU
doaj   +1 more source

Shape Optimization of the Streamlined Train Head for Reducing Aerodynamic Resistance and Noise

open access: yesApplied Sciences, 2022
Aiming to improve the comprehensive aerodynamic performance of a high-speed train, a multi-objective shape optimization method for a streamlined train head is proposed in this work.
Mengge Yu   +3 more
doaj   +1 more source

Calculation accuracy of wing aerodynamic parameters for a low speed aircraft

open access: yesGeodesy and Cartography, 2012
The article presents the analysis results of calculation error for a swept wing of NACA4415 airfoil. Coefficients of aerodynamic forces for this wing were calculated by means of a vortex step method including special algorithm to account non-linear ...
Egidijus Pakalnis, Jonas Stankūnas
doaj   +1 more source

Research on stability of laminated composite plate under nonlinear aerodynamic load

open access: yesTheoretical and Applied Mechanics Letters, 2023
In this paper, we propose an finite element approach based on classical plate theory to investigate the dynamic stability of a layered composite plate subject to nonlinear aerodynamic load.
The Van Tran   +2 more
doaj   +1 more source

Aerodynamic Interference between Oscillating Lifting Surfaces and Fuselage. Part 3: Some Applications of Oscillating Lifting Surface Theory to the Flapping Wing [PDF]

open access: yesINCAS Bulletin, 2014
The third article of this series continues to deal with the calculation of the aerodynamic unsteady forces on lifting surfaces. Here we present how the theory of oscillating wing in subsonic flow can be applied to the aerodynamic response to certain ...
Valentin Adrian Jean BUTOESCU
doaj   +1 more source

Aerodynamic research of a racing car based on wind tunnel test and computational fluid dynamics

open access: yesMATEC Web of Conferences, 2018
Wind tunnel test and computational fluid dynamics (CFD) simulation are two main methods for the study of automotive aerodynamics. CFD simulation software solves the results in calculation by using the basic theory of aerodynamic.
Wang Jianfeng   +4 more
doaj   +1 more source

Numerical Simulation of Aerodynamic Heating and Its Ground Test Simulation Technology [PDF]

open access: yesHangkong bingqi, 2023
Numerical simulation and related experimental research on supersonic aerodynamic heating are important contents in the development of hypersonic vehicles.
Sun Dechuan, Li Shuyue
doaj   +1 more source

Modeling of unsteady aerodynamic loads

open access: yes, 2011
Time-accurate solutions of the Euler or Navier-Stokes equations are still nowadays a computationally expensive approach for applications where a magnitude of parameters has to be investigated. This work focuses on flight dynamics-related studies.
Cummings, R. M.   +4 more
core   +1 more source

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