Numerical Investigation of Double Transonic Dip Behaviors in Supercritical Airfoil Flutter

T Miyake, H Terashima - AIAA Journal, 2023 - arc.aiaa.org
This numerical study examines the behavior of the double transonic dip with a supercritical
airfoil. A two-dimensional model of a wing section with two degrees of freedom was used for …

Analysis of Flutter-Boundary Variation in High-Mach-Number Transonic Flow Regimes

S Selland, T Miyake, H Terashima - AIAA Journal, 2024 - arc.aiaa.org
WHEN an airfoil is exposed to a fluid flow, the interactions of inertial, elastic, and
aerodynamic forces can lead to flutter: a self-oscillatory motion with the potential to damage …

Comparative Assessment on Unsteady Aerodynamics of Thin and Thick Airfoils Subjected to Pitching Motion

M Shaik, N Lekkala, U Pentakota… - … of Computational and …, 2024 - Taylor & Francis
This article presents the comparison between the unsteady flow characteristics of thick (t/c≥
6%) and thin (t/c≤ 6%) airfoils performing pitching motion at Reynolds number Re= 3.6× 10 …

Wall-modeled LES of pitching airfoil at high Reynolds number transonic flows

H Sashida, T Aoyama, S Kawai, S Kawai - AIAA SCITECH 2024 Forum, 2024 - arc.aiaa.org
This study conducts the wall-modeled large-eddy simulation (WMLES) of transonic flows
(Ma≃ 0.8) around a pitching NACA64A010 airfoil at a high Reynolds number (Re_c≃ 1.2× …

Investigation of the influence of active and passive control methods on the dynamics and structure of separated single-phase flow

J Šereika - 2024 - epubl.ktu.edu
Abstract [eng] The need for knowledge on the separated flow dynamics and structure in
channels with sudden cross-section changes is decided by wide practical application while …

Hysteretic behaviors of shock waves during the pitching motion of airfoil

Airfoil's performance is greatly influenced by the compressibility of the flow, which is
generally expressed by the Mach number. This article analyzes the effect of Mach number …