Dynamics of laminar separation bubbles at low-Reynolds-number aerofoils

DOI10.1017/S0022112009006661zbMath1181.76136OpenAlexW2008559357MaRDI QIDQ5187681

Roland Hain, C. J. Kähler, R. Radespiel

Publication date: 26 February 2010

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

Full work available at URL: https://doi.org/10.1017/s0022112009006661

Mathematics Subject Classification ID

Incompressible viscous fluids (76D99) Liquid-gas two-phase flows, bubbly flows (76T10)

Related Items (24)

Implicit Large Eddy Simulation of transition to turbulence at low Reynolds numbers using a Discontinuous Galerkin method ⋮ Hybrid LES-URANS methodology for the prediction of non-equilibrium wall-bounded internal and external flows ⋮ Geometrical effects on the airfoil flow separation and transition ⋮ Assessment of spanwise domain size effect on the transitional flow past an airfoil ⋮ Source term based synthetic turbulence inflow generator for eddy-resolving predictions of an airfoil flow including a laminar separation bubble ⋮ 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 ⋮ Implicit Quadrature-Free Direct Reconstruction Method for Efficient Scale-Resolving Simulations ⋮ Surface structure and dimensional effects on the aerodynamics of an owl-based wing model ⋮ Steady and transient response of a laminar separation bubble to controlled disturbances ⋮ Response of a laminar separation bubble to impulsive forcing ⋮ An experimental investigation of the separated-flow transition under high-lift turbine blade pressure gradients ⋮ Application of a synthetic jet to control boundary layer separation under ultra-high-lift turbine pressure distribution ⋮ Effect of the laminar separation bubble induced transition on the hydrodynamic performance of a hydrofoil ⋮ A modification of the \(k\)-\(k_L\)-\(\omega\) turbulence model for simulation of short and long separation bubbles ⋮ Validating the URANS shear stress transport γ −Re_θ model for low‐Reynolds‐number external aerodynamics ⋮ Spatio-temporal dynamics of turbulent separation bubbles ⋮ On the origin of spanwise vortex deformations in laminar separation bubbles ⋮ The effect of small-amplitude convective disturbances on the size and bursting of a laminar separation bubble ⋮ Aerodynamic design optimization of transonic natural-laminar-flow airfoil at low Reynolds number ⋮ Large-scale coherent structures in compressible turbulent boundary layers ⋮ Periodic forcing of a large turbulent separation bubble ⋮ Discrete linear local eigenmodes in a separating laminar boundary layer ⋮ A secondary modulation mechanism for aerofoil tonal self-noise generation

Cites Work

• Direct numerical simulations of forced and unforced separation bubbles on an airfoil at incidence
• Mechanisms of transition and heat transfer in a separation bubble
• Direct numerical simulation of ‘short’ laminar separation bubbles with turbulent reattachment
• On the identification of a vortex
• Validation of the RANS-simulation of laminar separation bubbles on airfoils
• Evolution of a wave packet into vortex loops in a laminar separation bubble

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