Experimental investigation of vortex evolution around oscillating water column wave energy converter using particle image velocimetry

F He, Y Lin, J Pan, M Wei - Physics of Fluids, 2023 - pubs.aip.org
Although the oscillating water column (OWC) wave energy converter has been extensively
studied in recent decades, the understanding of the flow field around the OWC converter is …

Experimental investigation of three‐dimensional flow structure and turbulent flow mechanisms around a nonsubmerged spur dike with a low length‐to‐depth ratio

J Jeon, JY Lee, S Kang - Water Resources Research, 2018 - Wiley Online Library
Flume experiments were conducted to investigate the three‐dimensional flow structure and
turbulent flow mechanisms around a nonsubmerged, sidewall‐attached rectangular spur …

Implications of the selection of a particular modal decomposition technique for the analysis of shallow flows

JE Higham, W Brevis, CJ Keylock - Journal of Hydraulic Research, 2018 - Taylor & Francis
This work deals with the capabilities of two synoptic modal decomposition techniques for the
identification of the spatial patterns and temporal dynamics of coherent structures in shallow …

Time-resolved PIV measurements in a low-aspect ratio facility of randomly packed spheres and flow analysis using modal decomposition

T Nguyen, E Kappes, S King, Y Hassan, V Ugaz - Experiments in Fluids, 2018 - Springer
This work experimentally investigated the flow characteristics in a facility with randomly
packed spheres at a low-aspect ratio of 4.4. Velocity fields in the near-wall region and in the …

Turbulent flow characteristics around a non-submerged rectangular obstacle on the side of an open channel

SK Kang, A Khosronejad, X Yang - Physics of Fluids, 2021 - pubs.aip.org
The three-dimensional flow structure and turbulence characteristics around a non-
submerged rectangular obstacle in an open channel are explored using numerical …

Using a proper orthogonal decomposition to elucidate features in granular flows

JE Higham, M Shahnam, A Vaidheeswaran - Granular Matter, 2020 - Springer
We apply proper orthogonal decomposition (POD) technique to analyze granular rheology
in a laboratory-scale pulsed-fluidized bed. POD allows us to describe the inherent dynamics …

[HTML][HTML] Modification of modal characteristics in wakes of square cylinders with multi-scale porosity

JE Higham, A Vaidheeswaran, W Brevis, F Nicolleau… - Physics of …, 2021 - pubs.aip.org
Wake flows behind porous patches are complex and host several spatiotemporal features
associated with multi-scale excitation. This is in stark contrast to flow past a square cylinder …

Impact of a submerged stream groyne on morphology and sedimentology on a tidal inlet, Harle (Southern North Sea, Germany)

AL Geßner, J Wollschläger, HA Giebel… - Frontiers in Earth …, 2024 - frontiersin.org
Coastal erosion and the need for flood protection present globally significant challenges. To
address these challenges, hard coastal protection structures, such as groynes, are …

A state-of-the-art review of normal and extreme flow interaction with spur dikes and its failure mechanism

D Nandhini, K Murali, S Harish, H Schüttrumpf… - Physics of …, 2024 - pubs.aip.org
River protection structures, especially spur dikes, play a vital role in the hydrodynamic and
morphological changes in a river system. Since the earliest days, numerous studies have …

Three-dimensional numerical investigation on flow behaviors around a diversion dike

Y Gao, H Yang, L Wang, M Zhao - Physics of Fluids, 2022 - pubs.aip.org
Three-dimensional numerical simulations of a flow past a non-submerged diversion dike are
performed for various blockage ratios (1/6≤ β≤ 1/3) and Froude numbers (0.152≤ Fr≤ …