Modal analysis of propeller wakes under different loading conditions

L Wang, X Liu, N Wang, M Li - Physics of Fluids, 2022 - pubs.aip.org
Propeller wakes under different loading conditions obtained by the improved delayed
detached eddy simulation method were studied based on the flow decomposition technique …

The dynamic characteristics in the wake systems of a propeller operating under different loading conditions

L Wang, X Liu, J Guo, M Li, J Liao - Ocean Engineering, 2023 - Elsevier
Improved delayed detached-eddy simulations (IDDES) on the computational domain
composed of 48 million cells were employed to numerically simulate the propeller wake with …

Analysis of inflow conditions on the flow past a wall-mounted square cylinder with OpenFOAM

M Li, R Wang, X Guo, X Liu, L Wang - Computers & Fluids, 2024 - Elsevier
In this study, the flow mechanisms around wall-mounted structures was numerically
investigated using Large Eddy Simulation (LES). A comparison was made between the …

Study on structure oscillation characteristics in impinging zone of multiple diesel jet flames based on Dynamic Mode Decomposition

X Tian, J Yang, Y Gong, Q Guo, L Ding, G Yu - Chemical Engineering …, 2023 - Elsevier
Impinging can improve the combustion efficiency of industrial processes. However, studies
on the impinging characteristics of multiple jet flames are lacking. In this study, based on an …

Flow dynamics in the wake of a rectangular cylinder near a moving wall

S Tanweer, A Dewan, S Sanghi - Ocean Engineering, 2022 - Elsevier
Dynamics of the three-dimensional flow past a rectangular cylinder placed near a moving
wall is studied for different values of the aspect-ratio (0.5≤ AR≤ 2.0) for a constant value of …

Application study of Dynamic Mode Decomposition coupled with a high-speed imaging system in jet zone oscillation behavior diagnosis of impinging flames

J Yang, S Yan, Y Gong, Q Guo, L Ding, G Yu - Control Engineering Practice, 2023 - Elsevier
Abstract Dynamic Mode Decomposition (DMD) is a data-driven analysis method for plenty of
snapshots, which has good application prospects in the combustion diagnostics base on …

Influence of the Trailing Edge Shape of Impeller Blades on Centrifugal Pumps with Unsteady Characteristics

Z Song, Y Chen, T Yu, X Wang, H Cao, Z Li, X Lang… - Processes, 2024 - mdpi.com
The flow field structure and pressure pulsation characteristics in two series of trailing edges
of a centrifugal pump are investigated using the SST kw turbulence model. Series 1 involves …

Numerical Investigation of Flow around Two Tandem Cylinders in the Upper Transition Reynolds Number Regime Using Modal Analysis

A Nazvanova, G Yin, MC Ong - Journal of Marine Science and …, 2022 - mdpi.com
Flow around two tandem cylinders at Re= 3.6× 106 for different center-to-center spacing
ratio (L/D) is investigated numerically using two-dimensional (2D) Unsteady Reynolds …

Characteristics of very-large-scale motions in gradually varied open-channel flows upstream of a run-of-river dam

Z Yan, Y Duan, D Zhu, D Li - Physics of Fluids, 2022 - pubs.aip.org
The gradually varied open-channel flows (OCF) upstream of a run-of-river (RoR) dam are
ubiquitous in natural rivers. In this flow type, the velocity profile shows some similarities to …

Localized Blowing for Near-Wake Flow and Vortical Structure Control in Turbulent Boundary Layers Over Periodic Two-Dimensional Roughness

AM Hamed, RM Gallary… - Journal of Fluids …, 2024 - asmedigitalcollection.asme.org
Volumetric three-component flow measurements were made to investigate localized blowing
(injection) as a control strategy for turbulent boundary layers over k-type two-dimensional …