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 …

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 …

Experimental investigation of transonic shock buffet on an OAT15A profile

A Accorinti, T Baur, S Scharnowski, CJ Kähler - AIAA Journal, 2022 - arc.aiaa.org
Self-sustained shock wave oscillations on airfoils, commonly defined as shock buffet, can
occur under certain combinations of transonic Mach numbers M∞ and angles of attack …

Influence of Mach number and angle of attack on the two-dimensional transonic buffet phenomenon

NF Giannelis, O Levinski, GA Vio - Aerospace Science and Technology, 2018 - Elsevier
Within a narrow band of flight conditions in the transonic regime, self-sustained shock
oscillations that involve the interaction between shock-waves and intermittently separated …

Modal analysis of transonic shock buffet on 2D airfoil

L Poplingher, DE Raveh, EH Dowell - AIAA Journal, 2019 - arc.aiaa.org
This paper presents a study of the shock buffet phenomenon on the RA16SC1 supercritical
airfoil using the proper orthogonal decomposition (POD) and dynamic mode decomposition …

Physics-assisted reduced-order modeling for identifying dominant features of transonic buffet

J Wang, H **e, M Zhang, H Xu - Physics of Fluids, 2023 - pubs.aip.org
Transonic buffet is a flow instability phenomenon that arises from the interaction between the
shock wave and the separated boundary layer. This flow phenomenon is considered to be …

Effect of Mach number and pitching eigenfrequency on transonic buffet onset

T Korthäuer, A Accorinti, S Scharnowski, CJ Kähler - AIAA Journal, 2023 - arc.aiaa.org
The transonic flow around an elastically suspended supercritical airfoil was experimentally
investigated in order to enhance knowledge of buffet boundary dependencies and the …

Frequency lock-in phenomenon for oscillating airfoils in buffeting flows

DE Raveh, EH Dowell - Journal of Fluids and Structures, 2011 - Elsevier
Navier–Stokes based computer simulations are conducted to determine the aerodynamic
flow field response that is observed for a NACA0012 airfoil that undergoes prescribed …

Various approaches to determine active regions in an unstable global mode: application to transonic buffet

E Paladini, O Marquet, D Sipp, JC Robinet… - Journal of Fluid …, 2019 - cambridge.org
The transonic flow field around a supercritical airfoil is investigated. The objective of the
present paper is to enhance the understanding of the physical mechanics behind two …