Optimization of bobsleigh bumper shape to reduce aerodynamic drag
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Wind Engineering and Industrial Aerodynamics"
DOI: 10.1016/j.jweia.2017.02.012
Abstract: The bobsleigh bumper shape was optimized to reduce aerodynamic drag using three-dimensional Reynolds-averaged Navier–Stokes analysis and surrogate modeling. The k–ω shear stress transport turbulence model was used as turbulence closure. The numerical results for the… read more here.
Keywords: bumper shape; shape; bobsleigh bumper; optimization ... See more keywords
Aerodynamic drag in cycling pelotons: new insights by CFD simulation and wind tunnel testing
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Wind Engineering and Industrial Aerodynamics"
DOI: 10.1016/j.jweia.2018.06.011
Abstract: Abstract A cycling peloton is the main group of cyclists riding closely together to reduce aerodynamic drag and energy expenditure. Previous studies on small groups of in-line drafting cyclists showed reductions down to 70 to… read more here.
Keywords: aerodynamic drag; wind tunnel; peloton;
Investigation of bogie positions on the aerodynamic drag and near wake structure of a high-speed train
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Wind Engineering and Industrial Aerodynamics"
DOI: 10.1016/j.jweia.2018.10.012
Abstract: Abstract As train speed increases, the aerodynamic drag reduction becomes increasingly significant. The aim of this paper is to find out appropriate bogie positions to reduce the drag of a high-speed train. In this paper,… read more here.
Keywords: speed; aerodynamic drag; speed train; bogie positions ... See more keywords
Agile Flight Control Under Multiple Disturbances for Quadrotor: Algorithms and Evaluation
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Aerospace and Electronic Systems"
DOI: 10.1109/taes.2022.3143781
Abstract: In this article, a scheme of anti-disturbance agile flight control is developed for a maneuverable quadrotor unmanned aerial vehicle, subject to the aerodynamic drag, dynamic shift of center of gravity (CoG), and motor dynamics. A… read more here.
Keywords: aerodynamic drag; flight control; control; multiple disturbances ... See more keywords
Experimental determination of damping of plate vibrations in a viscous fluid
Sign Up to like & getrecommendations! Published in 2017 at "Doklady Physics"
DOI: 10.1134/s1028335817050068
Abstract: A method of determining the aerodynamic-drag coefficient of flat vibrating plates from the vibrogram of free damping vibrations of cantilever-fixed duralumin samples has been developed. From the results of our experiments, simple approximating formulas determining… read more here.
Keywords: experimental determination; damping plate; plate; drag coefficient ... See more keywords
Reduction in the aerodynamic drag around a generic vehicle by using a non-smooth surface
Sign Up to like & getrecommendations! Published in 2017 at "Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering"
DOI: 10.1177/0954407016636970
Abstract: Numerical investigations are carried out to investigate the reduction in the aerodynamic drag of a vehicle by employing a dimpled non-smooth surface. The computational scheme was validated by the experimental data reported in literature. The… read more here.
Keywords: non smooth; reduction; smooth surface; aerodynamic drag ... See more keywords
Optimization of aerodynamic drag reduction for vehicles with non-smooth surfaces and research on aerodynamic characteristics under crosswind
Sign Up to like & getrecommendations! Published in 2023 at "Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering"
DOI: 10.1177/09544070231173471
Abstract: Energy consumption and environmental pollution problems have become increasingly prominent in China. The drag reduction of vehicles is an effective method to improve the fuel economy of cars and reduce greenhouse emissions. In this paper,… read more here.
Keywords: aerodynamic drag; aerodynamic characteristics; drag reduction; reduction vehicles ... See more keywords
Numerical Comparison in Aerodynamic Drag and Noise of High-Speed Pantographs with or without Platform Sinking
Sign Up to like & getrecommendations! Published in 2023 at "Applied Sciences"
DOI: 10.3390/app13106213
Abstract: Flat roofs and platform sinking are two common installation configurations for high-speed pantographs. The cavity formed by the platform sinking is a potential source of aerodynamic drag and noise. In this paper, the shape of… read more here.
Keywords: cavity; aerodynamic drag; drag; platform sinking ... See more keywords