Direct numerical simulations of forced and unforced separation bubbles on an airfoil at incidence

LE Jones, RD Sandberg, ND Sandham - Journal of Fluid Mechanics, 2008 - cambridge.org
Direct numerical simulations (DNS) of laminar separation bubbles on a NACA-0012 airfoil at
Rec= 5× 104 and incidence 5° are presented. Initially volume forcing is introduced in order …

Direct numerical simulation of complete transition to turbulence via oblique breakdown at Mach 3

CSJ Mayer, DA Von Terzi, HF Fasel - Journal of Fluid Mechanics, 2011 - cambridge.org
A pair of oblique waves at low amplitudes is introduced in a supersonic flat-plate boundary
layer at Mach 3. Its downstream development and the concomitant process of laminar to …

Numerical investigation of laminar–turbulent transition in laminar separation bubbles: the effect of free-stream turbulence

S Hosseinverdi, HF Fasel - Journal of Fluid Mechanics, 2019 - cambridge.org
The role of free-stream turbulence (FST) in the hydrodynamic instability mechanisms and
transition to turbulence in laminar separation bubbles (LSBs) was investigated using direct …

Numerical investigation of the nonlinear transition regime in a Mach 2 boundary layer

CSJ Mayer, S Wernz, HF Fasel - Journal of fluid mechanics, 2011 - cambridge.org
The transition process in a supersonic flat-plate boundary layer at Mach 2 is investigated
numerically using linear stability theory (LST) and direct numerical simulations (DNS). The …

Role of Klebanoff modes in active flow control of separation: direct numerical simulations

S Hosseinverdi, HF Fasel - Journal of Fluid Mechanics, 2018 - cambridge.org
Our previous research has shown that an active flow control strategy using two-dimensional
(2-D) harmonic blowing and suction with properly chosen frequency and amplitude can …

A methodology for simulating compressible turbulent flows

HF Fasel, DA Von Terzi, RD Sandberg - 2006 - asmedigitalcollection.asme.org
A flow simulation Methodology (FSM) is presented for computing the time-dependent
behavior of complex compressible turbulent flows. The development of FSM was initiated in …

Numerical analysis of fluid flow behaviour in four-sided square lid-driven cavity using the finite volume technique

MR Patel, JU Pandya, VK Patel - International Journal of Applied and …, 2022 - Springer
In the present study, numerical simulations of two-dimensional steady-state incompressible
Newtonian fluid flow in one-sided and four-sided lid-driven square cavities are reported. For …

Numerical simulations of MHD flows around a 180-degree sharp bend under a strong transverse magnetic field

H Wang, L Chen, NM Zhang, MJ Ni - Nuclear Fusion, 2021 - iopscience.iop.org
The quasi-two-dimensional flow of a liquid metal subjected to a strong transverse magnetic
field around a 180-degree sharp bend is investigated by means of parametric numerical …

Acoustic source identification for transitional airfoil flows using cross correlations

LE Jones, ND Sandham, RD Sandberg - AIAA journal, 2010 - arc.aiaa.org
WHEN considering airfoil self-noise most studies focus upon trailing-edge noise. Indeed,
Brooks et al.[1] classified five mechanisms for airfoil self-noise, all but one of which have …

Identification of large coherent structures in supersonic axisymmetric wakes

DA Von Terzi, RD Sandberg, HF Fasel - Computers & Fluids, 2009 - Elsevier
Direct numerical simulation data of supersonic axisymmetric wakes are analysed for the
existence of large coherent structures. Wakes at Ma= 2.46 are considered with results being …