Vortex formation and vortex breakup in a laminar separation bubble

DOI10.1017/jfm.2013.222zbMath1291.76112OpenAlexW2096359545MaRDI QIDQ5165658

Olaf Marxen, Ulrich Rist, Matthias Lang

Publication date: 30 June 2014

Published in: Journal of Fluid Mechanics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1017/jfm.2013.222

zbMATH Keywords

vortex sheddingboundary layer separationnonlinear instability

Mathematics Subject Classification ID

Nonlinear effects in hydrodynamic stability (76E30) Boundary-layer theory, separation and reattachment, higher-order effects (76D10) Viscous vortex flows (76D17) Transition to turbulence (76F06)

Related Items (16)

Numerical investigation of the interaction between laminar to turbulent transition and the wake of an airfoil ⋮ Transition in a separation bubble under tonal and broadband acoustic excitation ⋮ The onset of turbulence in decelerating diverging channel flows ⋮ Wall-pressure fluctuations of laminar separation bubble based on direct numerical simulation and experiments over a hydrofoil at \(\mathrm{Re}=450,000\) ⋮ Identification of coexisting dynamics in boundary layer flows through proper orthogonal decomposition with weighting matrices ⋮ Steady and transient response of a laminar separation bubble to controlled disturbances ⋮ Destabilisation and modification of Tollmien–Schlichting disturbances by a three-dimensional surface indentation ⋮ Response of a laminar separation bubble to impulsive forcing ⋮ Self-excited primary and secondary instability of laminar separation bubbles ⋮ On secondary instability of a transitional separation bubble ⋮ Numerical investigation of the role of free-stream turbulence in boundary-layer separation ⋮ On the origin of spanwise vortex deformations in laminar separation bubbles ⋮ Resolvent-analysis-based design of airfoil separation control ⋮ Elevated low-frequency free-stream vortical disturbances eliminate boundary-layer separation ⋮ A secondary modulation mechanism for aerofoil tonal self-noise generation ⋮ Instabilities in laminar separation bubbles

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