Results 1 to 10 of about 5,860 (164)
Study on Aerodynamic Drag Reduction at Tail of 400 km/h EMU with Air Suction-Blowing Combination
Machines, 2023 In order to further reduce the aerodynamic drag of High-speed Electric Multiple Units (EMU), an active flow control drag reduction method combining air suction and blowing is proposed at the rear of the EMU train.
Wu Deng, Hongjiang Cui, Ying Guan
exaly +3 more sources
A novel aerodynamic drag-reduction mechanism using dolphin-inspired ultrasonic microvibrations [PDF]
Scientific ReportsAerodynamic drag, particularly viscous drag, is a significant source of energy loss in aircraft, with its reduction being critical for improving overall aerodynamic performance.
Dongyue Wang, Hao Liu
doaj +2 more sources
Research on aerodynamic drag reduction for 400 km/h high-speed trains
Advances in Wind EngineeringTo improve the transportation efficiency, the trains are designed for higher operational speed. When the train speed increases, its aerodynamic drag grows dramatically and the operational energy consumption surges.
Wang Tiantian, Hongkang Liu
exaly +3 more sources
Fluids, 2023 Due to current EU regulations, constant-speed testing on test tracks is used for aerodynamic certification of heavy-duty vehicles (HDV). However, the aerodynamic development of HDVs is performed using wind tunnels and computational fluid dynamics (CFD ...
Carlos Peiró Frasquet +3 more
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Data Mining-Based Design Space Exploration and Optimization for Tandem Airfoils
International Journal of Aerospace Engineering, 2023 The joined-wing configuration has great technical appeal for the development of next-generation SensorCraft. Research based on the simplified tandem airfoil system can improve understanding of the joined-wing configuration’s aerodynamic characteristics ...
Yayun Shi +4 more
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Modelling, 2022 The aerodynamic efficiency of trucks is very low because of their non-streamlined box shape, which is subject to practical constraints, leaving little room for improvement in terms of aerodynamic efficiency.
Terrance Charles, Zhiyin Yang
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Aerodynamic Design and Shape Optimization with the Far-Field Drag Decomposition Approach
Xibei Gongye Daxue Xuebao, 2020 In the aerodynamic shape design, the drag prediction has always been an extremely challenging mission for the exploration of a configuration. As for the more complex configurations, it is especially desired to the availability of a highly accurate and ...
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Investigation of wheelhouse shapes on the aerodynamic characteristics of a generic car model
Advances in Mechanical Engineering, 2021 As vehicle speed increases, the aerodynamic drag reduction becomes increasingly significant. The aim of this paper is to find out the effects of the wheelhouse shapes on the aerodynamics of an Ahmed body with a 35 slant angle. In this paper, based on the
Haichao Zhou +4 more
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On the aerodynamics drag of floorball [PDF]
AIP Conference Proceedings, 2020 Floorball is a developing sport that have been popular the last few years. As the game continues to grow, the demand for a better performance is growing to meet the hype of a better gameplay. The geometry of floorball ball is clasified as unique as it is hollow and contoured by holes.
Hakan Tandjono +3 more
openaire +1 more source
Aerodynamic Analysis of Autonomous Battery Electric Truck Concepts for Drag Reduction [PDF]
Computational Engineering and Physical Modeling, 2022 This research presents an aerodynamic drag analysis of an autonomous battery electric truck (BET) by means of using computational fluid dynamics (CFD) as a simulation tool.
Kameel Anirood, Ali Rugbani
doaj +1 more source