Disturbance growth in a laminar separation bubble subjected to free-stream turbulence

T Jaroslawski, M Forte, O Vermeersch… - Journal of Fluid …, 2023 - cambridge.org
Experiments were conducted to study the transition and flow development in a laminar
separation bubble (LSB) formed on an aerofoil. The effects of a wide range of free-stream …

Self-excited primary and secondary instability of laminar separation bubbles

D Rodriguez, EM Gennaro, LF Souza - Journal of Fluid Mechanics, 2021 - cambridge.org
The self-excited instabilities acting on laminar separation bubbles in the absence of external
forcing are studied by means of linear stability analysis and direct numerical simulation …

Three-dimensional development of coherent structures in a two-dimensional laminar separation bubble

JW Kurelek, BA Tuna, S Yarusevych, M Kotsonis - AIAA Journal, 2021 - arc.aiaa.org
Three-dimensional flow development is experimentally assessed in a convectively unstable
laminar separation bubble formed over a NACA 0018 airfoil at a chord Reynolds number of …

Structure and dynamics of a laminar separation bubble near a wing root: towards reconstructing the complete LSB topology on a finite wing

CE Toppings, S Yarusevych - Journal of Fluid Mechanics, 2022 - cambridge.org
The influence of the wing root junction on the laminar separation bubble forming on the
suction surface of a semispan NACA 0018 wing cantilevered from the wind tunnel test …

Investigation of Mach number effects on flow over a flat plate at Reynolds number of 1.0× 104 by schlieren visualization

K Kusama, T Nagata, M Anyoji… - Fluid Dynamics …, 2021 - iopscience.iop.org
Flow over a flat plate with a 5% thickness ratio is investigated by schlieren visualization in
compressible low-Reynolds-number conditions. The results show that flow separates at the …

Transition to turbulence on a rotating wind turbine blade at

TCL Fava, D Massaro, P Schlatter… - Journal of Fluid …, 2024 - cambridge.org
The boundary-layer stability on a section of a rotating wind turbine blade with an FFA-W3
series aerofoil at a chord Reynolds number of of the free stream velocity directed towards …

Tip effects on three-dimensional flow structures over low-aspect-ratio plates: mechanisms of spanwise fluid transport

Y Zhu, J Wang, J Liu - Journal of Fluid Mechanics, 2024 - cambridge.org
Three-dimensional flows over low-aspect-ratio rectangular flat plates (${A {\kern-4pt} R}=
1.00$–$1.50 $) are investigated using tomographic and planar particle image velocimetry …

Impact of harmonic inflow variations on the size and dynamics of the separated flow over a bump

H Marbona, D Rodríguez, A Martínez-Cava, E Valero - Physical Review Fluids, 2024 - APS
The separated flow over a wall-mounted bump geometry under harmonic oscillations of the
inflow stream is investigated with direct numerical simulations. The bump geometry gives …

Experimental and model research on judging liquid accumulation in pipelines under the action of surfactant

G Wang, R Liao, Y Wang, H Wu, M Zhang, Y Lei… - Colloids and Surfaces A …, 2024 - Elsevier
Foam drainage gas extraction is applied in various natural gas extraction scenarios, such as
water-bearing gas wells, gas fields with high water content, and wet natural gas pipeline …

The effect of compressibility on the primary global instability of unforced laminar separation bubbles

EM Gennaro, BDP Souza, D Rodríguez - Journal of the Brazilian Society …, 2019 - Springer
Laminar separation bubbles present a three-dimensional self-excited instability mechanism
which leads to the appearance of spanwise-periodic structures. In incompressible flow, this …