A tutorial on the proper orthogonal decomposition

J Weiss - AIAA aviation 2019 forum, 2019 - arc.aiaa.org
This tutorial introduces the Proper Orthogonal Decomposition (POD) to engineering students
and researchers interested in its use in uid dynamics and aerodynamics. The objectives are …

A review of experiments on stationary bluff body wakes

B Forouzi Feshalami, S He, F Scarano, L Gan… - Physics of …, 2022 - pubs.aip.org
Experimental studies dealing with the wake of isolated stationary bluff bodies are reviewed.
After briefly recalling the pioneering works in this domain, the paper focuses on recent …

Dynamic mode decomposition and reconstruction of tip leakage vortex in a mixed flow pump as turbine at pump mode

Y Han, L Tan - Renewable Energy, 2020 - Elsevier
In the present work, the tip leakage vortex (TLV) in a mixed flow pump as turbine at pump
mode is decomposed and reconstructed by Dynamic Mode Decomposition (DMD) for the …

Universal outlier detection for PIV data

J Westerweel, F Scarano - Experiments in fluids, 2005 - Springer
An adaptation of the original median test for the detection of spurious PIV data is proposed
that normalizes the median residual with respect to a robust estimate of the local variation of …

Nonlinear interaction between a precessing vortex core and acoustic oscillations in a turbulent swirling flame

JP Moeck, JF Bourgouin, D Durox, T Schuller… - Combustion and …, 2012 - Elsevier
The interaction of a helical mode with acoustic oscillations is studied experimentally in a
turbulent swirl-stabilized premixed flame. In addition to a precessing vortex core (PVC), the …

Decomposition of unsteady sheet/cloud cavitation dynamics in fluid-structure interaction via POD and DMD methods

Y Liu, Q Wu, B Huang, H Zhang, W Liang… - International Journal of …, 2021 - Elsevier
The objective of this paper is to study sheet/cloud cavitation dynamics in fluid-structure
interaction by experimental and numerical methods. The high-speed camera is applied to …

[HTML][HTML] Instantaneous planar pressure determination from PIV in turbulent flow

R De Kat, BW Van Oudheusden - Experiments in fluids, 2012 - Springer
This paper deals with the determination of instantaneous planar pressure fields from velocity
data obtained by particle image velocimetry (PIV) in turbulent flow. The operating principles …

Flow and aerodynamic noise control of a circular cylinder by local blowing

R Maryami, EJG Arcondoulis, Y Liu - Journal of Fluid Mechanics, 2024 - cambridge.org
In this experimental study, the impact of symmetric local blowing on suppressing the vortex-
induced noise of a circular cylinder was investigated. A highly instrumented cylinder with …

Experimental and numerical analysis of the bi-stable turbulent wake of a rectangular flat-backed bluff body

Y Fan, C Xia, S Chu, Z Yang, O Cadot - Physics of Fluids, 2020 - pubs.aip.org
The wake dynamics of a rectangular flat-backed bluff body is studied using both the wind
tunnel experiment and Improved Delayed Detached Eddy Simulation (IDDES) at Re= 9.2× …

Phase-resolved characterization of vortex–flame interaction in a turbulent swirl flame

M Stöhr, R Sadanandan, W Meier - Experiments in fluids, 2011 - Springer
The relation between flow field and flame structure of a turbulent swirl flame is investigated
using simultaneous particle image velocimetry (PIV) and planar laser-induced fluorescence …