Influence of large-scale free-stream turbulence on bypass transition in air and organic vapour flows

A Bienner, X Gloerfelt, P Cinnella - Journal of Fluid Mechanics, 2024 - cambridge.org
The free-stream turbulence (FST) induced transition in perfect and non-ideal gas zero-
pressure-gradient flat-plate boundary layers is investigated by means of large-eddy …

Numerical investigations of laminar separation bubbles under the influence of periodic gusts

D Ohno, M Greiner, J Müller, U Rist - AIAA Journal, 2023 - arc.aiaa.org
Direct numerical simulations were performed to investigate the behavior of laminar
separation bubbles subject to vertical gusts in an airfoil flow. Oscillating boundary-layer …

Experimental investigation on boundary-layer streaks induced by grid-generated free-stream turbulence in a water channel

TM Römer, MJ Kloker, U Rist, C Wenzel - Experiments in Fluids, 2024 - Springer
In this study, the influence of various turbulence-grid configurations is analysed on both the
induced free-stream turbulence (FST) and the resulting Klebanoff modes/streaks developing …

Laminar-to-turbulent transition in airfoil boundary layer flows at oscillating inflow conditions

D Ohno - 2023 - elib.uni-stuttgart.de
This thesis numerically investigates the laminar-to-turbulent transition in boundary-layer
flows on natural laminar flow airfoils under oscillating inflow conditions. Large-scale …

Favorable-Pressure-Gradient Influence on Supersonic Film Cooling with Turbulent Main Flow

JMF Peter, T Gibis, MJ Kloker - International Conference on High …, 2022 - Springer
Cooling of a hot supersonic turbulent boundary-layer flow by wall-parallel blowing of a high-
heat-capacity gas through a backward-facing step is an effective method to protect the wall …

[PDF][PDF] Computational aspects for DNS of compressible turbulent boundary layers on up to full machine size

T Gibis, J Appelbaum, C Wenzel - researchgate.net
In this study, a representative benchmark case for the IAG in-house DNS code NS3D is
presented, which has been developed specifically with the aim of evaluating code …