A review of recent developments in the understanding of transonic shock buffet

NF Giannelis, GA Vio, O Levinski - Progress in Aerospace Sciences, 2017 - Elsevier
Within a narrow band of flight conditions in the transonic regime, interactions between shock-
waves and intermittently separated shear layers result in large amplitude, self-sustained …

Reynolds-averaged Navier-Stokes study of the shock-buffet instability mechanism

M Iovnovich, DE Raveh - AIAA journal, 2012 - arc.aiaa.org
SHOCK buffet, also termed shock-induced oscillations, is a transonic flow instability
phenomenon in which a shock wave generated on a lifting surface interacts with a partially …

Towards an enhanced protection of attached boundary layers in hybrid RANS/LES methods

S Deck, N Renard - Journal of Computational Physics, 2020 - Elsevier
A robust strategy for the RANS shielding of attached boundary layers in a hybrid RANS/LES
context is presented, addressing two major issues. Firstly, the attached boundary layers …

Identifying the self-sustaining mechanisms of transonic airfoil buffet with resolvent analysis

Y Iwatani, H Asada, CA Yeh, K Taira, S Kawai - AIAA Journal, 2023 - arc.aiaa.org
The self-sustaining mechanisms of shock oscillations in transonic airfoil buffet are studied by
wall-resolved large-eddy simulation (LES) and resolvent analysis. The LES successfully …

Numerical study of shock buffet on three-dimensional wings

M Iovnovich, DE Raveh - AIAA Journal, 2015 - arc.aiaa.org
The paper presents a computational study of the transonic shock-buffet flow instability
phenomenon on three-dimensional wings. Reynolds-averaged Navier–Stokes simulations …

Experimental study of transonic buffet phenomenon on a 3D swept wing

J Dandois - Physics of Fluids, 2016 - pubs.aip.org
The objective of this paper is to analyze the 3D buffet phenomenon which appears on a
swept wing at a high Mach number and/or high angle of attack. This aerodynamic instability …

Experimental analysis of transonic buffet conditions on a two-dimensional supercritical airfoil

CJ Schauerte, AM Schreyer - AIAA Journal, 2023 - arc.aiaa.org
The present experimental investigation characterizes the development and decay of
transonic buffet on the supercritical airfoil OAT15A, as well as the flow field and shock …

On the interaction of shock waves and sound waves in transonic buffet flow

A Hartmann, A Feldhusen, W Schröder - Physics of Fluids, 2013 - pubs.aip.org
, the sound wave propagation in the flow field outside the separation of a transonic buffet
flow at a Mach number M∞= 0.73 and an angle of attack α= 3.5 over a DRA 2303 …

Buffet-onset constraint formulation for aerodynamic shape optimization

GKW Kenway, JRRA Martins - AIAA Journal, 2017 - arc.aiaa.org
High-fidelity computational modeling and optimization of aircraft configurations have the
potential to enable engineers to create more efficient designs that require fewer unforeseen …

High-Speed PIV of shock boundary layer interactions in the transonic buffet flow of a compressor cascade

J Klinner, A Hergt, S Grund, CE Willert - Experiments in Fluids, 2021 - Springer
The dynamics of a transonic buffet flow on the suction side of a highly loaded 2-D
compressor blade model is investigated at a chord-based Reynolds number of 1.4 * 10^ 6 …