Observations of Coherent Flow Structures Over Subaqueous High‐ and Low‐ Angle Dunes
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Geophysical Research"
DOI: 10.1002/2017jf004356
Abstract: Large-scale coherent flow structures (CFS) above dunes are the dominant source of flow resistance and constitute the principal mechanism for sediment transport and mixing in sand bed river and estuarine systems. Based on laboratory observations,… read more here.
Keywords: low angle; angle dunes; coherent flow; cfs ... See more keywords
Multi-scale analysis on wake structures of asymmetric cylinders with different aspect ratios
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Visualization"
DOI: 10.1007/s12650-016-0411-5
Abstract: The wake flow originated by three-dimensional bluff bodies having the different aspect ratio is experimentally studied in this paper. The turbulent wakes generated by asymmetric- and semi-cylinders were first measured by the high-speed PIV. The… read more here.
Keywords: different aspect; flow structures; reynolds shear; multi scale ... See more keywords
Experimental study on flow structures of central blockage accidents in a rectangular channel using PIV and POD
Sign Up to like & getrecommendations! Published in 2021 at "Annals of Nuclear Energy"
DOI: 10.1016/j.anucene.2020.108037
Abstract: Abstract The central blockage accidents of a rectangular channel with an aspect ratio of 16.67 (50 mm in width and 600 mm in length with 3 mm spacing) are investigated using Particle Image Velocimetry (PIV) and Proper Orthogonal… read more here.
Keywords: blockage accidents; central blockage; blockage; flow structures ... See more keywords
The initial flow structures and oscillations of an underexpanded impinging jet
Sign Up to like & getrecommendations! Published in 2021 at "Aerospace Science and Technology"
DOI: 10.1016/j.ast.2021.106740
Abstract: Abstract A numerical investigation into an underexpanded round jet impinging vertically onto a flat plate is conducted using large-eddy simulation (LES). The impinging jet features a Mach number of 1.0 at the nozzle exit, a… read more here.
Keywords: impinging jet; initial flow; flow structures; jet ... See more keywords
Analysis of PIV measurements using modal decomposition techniques, POD and DMD, to study flow structures and their dynamics within a stirred-tank reactor
Sign Up to like & getrecommendations! Published in 2018 at "Chemical Engineering Science"
DOI: 10.1016/j.ces.2017.12.047
Abstract: Abstract The present work is a comparative analysis of Proper Orthogonal Decomposition (POD) and Dynamic Mode Decomposition (DMD) computed on experimental turbulent velocity fields measured in a 20L-tank stirred by two Rushton impellers at two… read more here.
Keywords: dmd; analysis; flow structures; pod dmd ... See more keywords
Flow characteristics in turbine wheel space cavity
Sign Up to like & getrecommendations! Published in 2021 at "Energy Reports"
DOI: 10.1016/j.egyr.2021.04.014
Abstract: Abstract Unsteady flow structures unrelated to rotating frequency in the turbine wheel space cavity has been observed and reported in a number of recent rim sealing investigations. These flow structures are relatively large in scale… read more here.
Keywords: flow structures; wheel space; space cavity; cavity ... See more keywords
Large-scale unsteady flow structures in the leakage flow of a low-speed axial fan with rotating shroud
Sign Up to like & getrecommendations! Published in 2019 at "Experimental Thermal and Fluid Science"
DOI: 10.1016/j.expthermflusci.2018.10.020
Abstract: Abstract The leakage flow in low-speed fans provided with rotating shroud has been surveyed by means of two-dimensional LDV and PIV. Measurements have been taken upstream of the rotor and in the gap area at… read more here.
Keywords: rotor; speed; flow structures; leakage flow ... See more keywords
Numerical investigation of the interaction between local flow structures and particulate fouling on structured heat transfer surfaces
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Heat and Fluid Flow"
DOI: 10.1016/j.ijheatfluidflow.2018.03.002
Abstract: Abstract The paper is addressed to the application of Eulerian–Lagrangian Large Eddy Simulations (LES) for the investigation of the interaction between turbulent flow structures, heat transfer and particulate fouling in aqueous suspension on structured surfaces,… read more here.
Keywords: particulate fouling; investigation interaction; particle; heat transfer ... See more keywords
Effects of radius ratio on turbulent concentric annular pipe flow and structures
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Heat and Fluid Flow"
DOI: 10.1016/j.ijheatfluidflow.2020.108725
Abstract: Abstract The effects of radius ratio on fully-developed turbulent concentric annular pipe flow and structures are investigated using direct numerical simulations (DNS). In order to study the radius ratio effects on the flow, four radius… read more here.
Keywords: radius ratio; annular pipe; flow structures; concentric annular ... See more keywords
A critical review on the flow structure studies of Ranque–Hilsch vortex tubes
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Refrigeration"
DOI: 10.1016/j.ijrefrig.2019.04.030
Abstract: Abstract Various methods had been taken for the flow field studies, among them, qualitative visualizations and probe intrusive measurements have a long history and had been adopted since last 50s, while laser non-intrusive measurements and… read more here.
Keywords: flow structure; review; structure studies; review flow ... See more keywords
LES investigation on cavitating flow structures and loads of water-exiting submerged vehicles using a uniform filter of octree-based grids
Sign Up to like & getrecommendations! Published in 2021 at "Ocean Engineering"
DOI: 10.1016/j.oceaneng.2021.108811
Abstract: Abstract The water-exit course of a submerged vehicle launched underwater that moves into the atmosphere is one of the most important considerations in naval applications. In the present work, a large-eddy simulation with a uniform… read more here.
Keywords: water; filter octree; flow structures; octree based ... See more keywords