POD analysis of the unsteady behavior of blade wake under the influence of laminar separation vortex shedding in a compressor cascade

L Shi, H Ma, X Yu - Aerospace Science and Technology, 2020 - Elsevier
When the laminar-to-turbulent transition occurs close to the blade trailing edge, the periodic
passage of shear layer roll-up vortices over the trailing edge would influence the unsteady …

[HTML][HTML] IC engine in-cylinder cold-flow analysis–A critical review

A Jamil, MB Baharom, ARA Aziz - Alexandria Engineering Journal, 2021 - Elsevier
In the pursuit to improve thermal and fuel efficiencies of internal combustion engines,
various engine designs and configurations have been developed over recent years. Since …

Particle image velocimetry in the impeller of a centrifugal pump: A POD-based analysis

WDP Fonseca, RFL Cerqueira, RM Perissinotto… - Flow Measurement and …, 2023 - Elsevier
The flow field within the channels of a centrifugal pump impeller is usually complex,
containing turbulent structures in a wide range of time and length scales. Identifying the …

Reconstruction of the 3D hydrodynamics in a baffled stirred tank using proper orthogonal decomposition

C Mayorga, J Morchain, A Liné - Chemical Engineering Science, 2022 - Elsevier
In this work, the unsteady turbulent flow in a four-baffled stirred tank equipped with a
Rushton turbine is computed with ANSYS FLUENT® using the sliding mesh technique. The …

Investigation of Flow Fields Emanating from Two Parallel Inlet Valves Using LES, PIV, and POD

J Hoffmann, W Vera-Tudela, N Mirsch, D Wüthrich… - Energies, 2023 - mdpi.com
Understanding cycle-to-cycle variations (CCV) is of practical importance for the combustion
of fossil and renewable fuels, as increasingly stringent emission regulations require …

Modeling cycle-to-cycle variations of a spark-ignited gas engine using artificial flow fields generated by a variational autoencoder

S Posch, C Gößnitzer, AB Ofner, G Pirker, A Wimmer - Energies, 2022 - mdpi.com
A deeper understanding of the physical nature of cycle-to-cycle variations (CCV) in internal
combustion engines (ICE) as well as reliable simulation strategies to predict these CCV are …

Dynamic modes of inflow jet in brain aneurysms

TB Le - Journal of Biomechanics, 2021 - Elsevier
The transition of the inflow jet to turbulence is crucial in understanding the pathology of brain
aneurysms. Previous works Le et al.(2010, 2013) have shown evidence for a highly dynamic …

Analysis of different POD processing methods for SPIV-measurements in compressor cascade tip leakage flow

L Shi, H Ma, L Wang - Energies, 2019 - mdpi.com
Though the proper orthogonal decomposition (POD) method has been widely adopted in
flow analysis, few publications have systematically studied the influence of different POD …

[HTML][HTML] Stereoscopic particle image velocimetry for engine flow measurements: Principles and applications

M El-Adawy, MR Heikal, ARA Aziz… - Alexandria Engineering …, 2021 - Elsevier
There is an upsurge in the drive for better understanding of the processes, which control the
combustion in modern engines. Large-scale intake generated flow structures, such as swirl …

Flow Field Investigation of a Single Engine Valve Using PIV, POD, and LES

J Hoffmann, N Mirsch, W Vera-Tudela, D Wüthrich… - Energies, 2023 - mdpi.com
Due to stringent emission regulations, it is of practical significance to understand cycle-to-
cycle variations in the combustion of fossil or renewable fuels to reach future emission …