SPACE–TIME FORMATION OF VERY-LARGE-SCALE MOTIONS IN TURBULENT PIPE FLOW
Jae Hwa Lee, Hyung Jin Sung & Ronald J. Adrian
Journal of Fluid Mechanics, Vol.881, pp.1010-1047, 2019
We examine the origin of very-large-scale motions (VLSMs) in fully developed turbulent pipe flow at friction Reynolds number, Reτ = 934, using data from a direct numerical simulation.
WAKE TRANSITIONS OF FLEXIBLE FOILS IN A VISCOUS UNIFORM FLOW
Min Je Kim & Jae Hwa Lee
Physics of Fluids, Vol.31, 111906, 2019
The effects of flexibility on the wake structures of a foil under a heaving motion in a viscous uniform flow are numerically studied using an immersed boundary method.
DIRECT NUMERICAL SIMULATION OF A TURBULENT COUETTE-POISEUILLE FLOW WITH A ROD-ROUGHENED WALL
Young Mo Lee, Jung Hoon Kim & Jae Hwa Lee
Physics of Fluids, Vol.30, 105101, 2018
A direct numerical simulation of a fully developed turbulent Couette-Poiseuille flow with a rod-roughened wall is performed to investigate the impact of the surface roughness on the flow characterist…
SECONDARY FLOWS IN TURBULENT BOUNDARY LAYERS OVER LONGITUDINAL SURFACE ROUGHNESS
Hyeon Gyu Hwang & Jae Hwa Lee
Physical Review Fluids, Vol.3, 014608, 2018
Direct numerical simulations of turbulent boundary layers over longitudinal surface roughness are performed to investigate the impact of the surface roughness on the mean flow characteristics related …