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High precision numerical simulation of passenger cars based on numerical wind tunnel [PDF]
Scientific ReportsThis study investigates the high-precision numerical simulation technology of passenger cars based on a numerical wind tunnel, develops a virtual numerical wind tunnel model based on the existing vehicle wind tunnel in China, and simulates the flow field
Yan Ma +10 more
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Comprehensive Study of the Aerodynamic Influence of Ground and Wheel States on the Notchback DrivAer
Energies, 2022 This paper conducts an analysis of the aerodynamic influence of different ground and wheel states on the Notchback DrivAer by numerical simulation. The effects of the moving ground and rotating wheels are investigated individually and comprehensively ...
Xiaoyan Yu, Qing Jia, Zhigang Yang
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The Influence of the Inter-Relationship of Leg Position and Riding Posture on Cycling Aerodynamics
Fluids, 2021 Aerodynamics is an important factor affecting cyclist performance, as at the elite level 90% of rider energy is used to overcome aerodynamic drag. As such, much effort has been channeled into understanding the detailed flow around cyclists, since small ...
Shibo Wang +6 more
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Energies, 2021 A combined immersed boundary–lattice Boltzmann approach is used to simulate the dynamics of the fluid–structure interaction of a hollow sealing strip under the action of pressure difference. Firstly, the multiple relaxation times LBM model, hyper-elastic
Zhe Shen +4 more
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The Effects of the Width of an Isolated Valley on Near-Surface Turbulence
Atmosphere, 2021 With the aim of ascertaining the effects of the widths (A) of valleys on near-surface turbulence, flows over an isolated symmetric three-dimensional valley of constant depth (H) and slopes are characterized in a large-boundary-layer wind tunnel. Starting
Sylvio Freitas, Frank Harms, Bernd Leitl
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Universality of mean velocity profile in high Re-number turbulent boundary layer
Nihon Kikai Gakkai ronbunshu, 2021 To better understand high Reynolds number zero-pressure-gradient turbulent boundary layers detailed hot-wire measurements of the mean and fluctuating streamwise velocity are made in RTRI ’s low-noise wind tunnel in Maibara Japan.
Yoshiyuki TSUJI +2 more
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Nihon Kikai Gakkai ronbunshu, 2022 High Reynolds number turbulent boundary layer measurement is performed in the RTRI ’s low-noise wind tunnel in Maibara Japan. The momentum thickness Reynolds number Rθ is up to approximately 8×104.
Yoshiyuki TSUJI +2 more
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Comprehensive Investigating on the Aerodynamic Influences of the Wheel Contact Patch [PDF]
Journal of Applied and Computational Mechanics, 2020 Computational fluid dynamics is implemented to investigate the influence of the wheel contact patch on the global car aerodynamics. Two main aspects of the problem are the contact step and patch shape.
Xiaoyan Yu +3 more
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A Review of Recent Studies on Simulations for Flow around High-Speed Trains [PDF]
Journal of Applied and Computational Mechanics, 2019 Fluid flow around bluff bodies occurs in numerous fields of science and engineering, such as flows pass vehicles, cables, towers and bridges. These flows have been studied experimentally and numerically for the last several decades.
Mohammad Mehdi Rashidi +4 more
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Mokslas: Lietuvos Ateitis, 2012 The paper analyzes an educational wind tunnel produced by the Department of Building Energetics (DBE) of Vilnius Gediminas Technical University. The equipment could be used for performing laboratory works and simple research. The article presents the projection of inflow and outlet velocity in the working chamber of DBE wind tunnel and carries out ...
Bielskus, Juozas +1 more
openaire +3 more sources