Active wake-flow control for a notchback Ahmed body driven by a genetically inspired optimization
Sign Up to like & getrecommendations! Published in 2024 at "Journal of Fluid Mechanics"
DOI: 10.1017/jfm.2024.1018
Abstract: Abstract This paper explores active wake-flow control on a notchback Ahmed body using genetically inspired optimization. Hotwire and particle image velocimetry measurements record velocity data and flow structures in the wake. Pulsed jets at four… read more here.
Keywords: wake flow; flow control; active wake; wake ... See more keywords
Numerical study of wake flow across two circular cylinders in tandem arrangement with high rotation speed
Sign Up to like & getrecommendations! Published in 2024 at "Physics of Fluids"
DOI: 10.1063/5.0242939
Abstract: Flow behind a bluff body is marked with unstable wake pattern eventually impacting the forces acting on the body, which can be actively controlled by rotation. When multiple rotating bluff bodies are placed in close… read more here.
Keywords: flow across; wake flow; rotation; across two ... See more keywords
A New Method to Optimize the Wake Flow of a Vehicle: The Leading Edge Rotating Cylinder
Sign Up to like & getrecommendations! Published in 2017 at "Mathematical Problems in Engineering"
DOI: 10.1155/2017/5781038
Abstract: The wake flow of a vehicle significantly influences its aerodynamic performance and the stability during high-speed drive. Therefore, optimization of the vehicle wake flow is an effective way to improve its aerodynamic performance and further… read more here.
Keywords: vehicle; method; flow vehicle; wake flow ... See more keywords
Wake flow modification of vehicle external door mirror with slots
Sign Up to like & getrecommendations! Published in 2022 at "Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering"
DOI: 10.1177/09544070221098854
Abstract: A passive flow control method is applied to a vehicle external door mirror by introducing flow from a slot drilling from the front surface to four slots around the rear surface. The wake flow fields… read more here.
Keywords: door mirror; mirror; wake flow; slotted door ... See more keywords
Analysis of unsteady wake flow in centrifugal pump volute by using mode decomposition method
Sign Up to like & getrecommendations! Published in 2024 at "Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering"
DOI: 10.1177/09544089241272877
Abstract: To analyze the coherent structure of wake flow in volute and its corresponding frequency information, dynamic modal decomposition (DMD), classic and spectral proper orthogonal decomposition (SPOD), were employed to decompose the transient flow field of… read more here.
Keywords: structure; decomposition; volute; wake flow ... See more keywords
Pressure gradient effects on wake-flow instabilities behind isolated roughness elements on re-entry capsules
Sign Up to like & getrecommendations! Published in 2019 at "Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering"
DOI: 10.1177/0954410019844067
Abstract: Laminar-turbulent transition caused by modal disturbance growth in the wake flow of isolated roughness elements on blunt re-entry capsules is studied numerically at typical cold hypersonic wind-tunnel conditions. Two fundamentally different heat shield shapes are… read more here.
Keywords: wake flow; pressure gradient; isolated roughness; pressure ... See more keywords
Vortex structures and wake flow analysis from moving manikin models
Sign Up to like & getrecommendations! Published in 2020 at "Indoor and Built Environment"
DOI: 10.1177/1420326x19893013
Abstract: Vortex shedding in the wake flow generated by moving bodies exerts considerable influence on pollutant dispersion. This study investigated the effects of different body shapes using scaled models 1/5th of realistic size, including thin and… read more here.
Keywords: wake flow; flow analysis; analysis moving; structures wake ... See more keywords
Effects of Bogies on the Wake Flow of a High-Speed Train
Sign Up to like & getrecommendations! Published in 2019 at "Applied Sciences"
DOI: 10.3390/app9040759
Abstract: The wake region of high-speed trains is an area of complex turbulent flow characterized by the periodic generation and shedding of vortices, which causes discomfort to passengers and affects the stability and safety of the… read more here.
Keywords: speed; wake flow; effects bogies; speed train ... See more keywords
Numerical Study on the Impact of Synthetic Jets at Flow Separation Points on the Wake of a Square Cylinder
Sign Up to like & getrecommendations! Published in 2025 at "Buildings"
DOI: 10.3390/buildings15050731
Abstract: To investigate the application of synthetic jet technology in the control of the wake flow around a square cylinder, a two-dimensional numerical simulation study was conducted using CFD and the Reynolds-Averaged Navier-Stokes (RANS) method to… read more here.
Keywords: synthetic jets; wake flow; flow separation; square cylinder ... See more keywords