Experimental Study on Coherent Structures by Particles Suspended in Half-Zone Thermocapillary Liquid Bridges: Review

Coherent structures by the particles suspended in the half-zone thermocapillary liquid bridges via experimental approaches are introduced. General knowledge on the particle accumulation structures (PAS) is described, and then the spatial–temporal behaviours of the particles forming the PAS are illus...

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Main Author: Ichiro Ueno
Format: Article
Language:English
Published: MDPI AG 2021-03-01
Series:Fluids
Subjects:
Online Access:https://www.mdpi.com/2311-5521/6/3/105
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author Ichiro Ueno
author_facet Ichiro Ueno
author_sort Ichiro Ueno
collection DOAJ
description Coherent structures by the particles suspended in the half-zone thermocapillary liquid bridges via experimental approaches are introduced. General knowledge on the particle accumulation structures (PAS) is described, and then the spatial–temporal behaviours of the particles forming the PAS are illustrated with the results of the two- and three-dimensional particle tracking. Variations of the coherent structures as functions of the intensity of the thermocapillary effect and the particle size are introduced by focusing on the PAS of the azimuthal wave number <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>m</mi><mo>=</mo><mn>3</mn></mrow></semantics></math></inline-formula>. Correlation between the particle behaviour and the ordered flow structures known as the Kolmogorov–Arnold—Moser tori is discussed. Recent works on the PAS of <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>m</mi><mo>=</mo><mn>1</mn></mrow></semantics></math></inline-formula> are briefly introduced.
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spelling doaj.art-5ae4e5c14c83483b9888f1dcaaeb44ce2023-12-03T12:30:17ZengMDPI AGFluids2311-55212021-03-016310510.3390/fluids6030105Experimental Study on Coherent Structures by Particles Suspended in Half-Zone Thermocapillary Liquid Bridges: ReviewIchiro Ueno0Department of Mechanical Engineering, Faculty of Science & Technology, Tokyo University of Science, Chiba 278-8510, JapanCoherent structures by the particles suspended in the half-zone thermocapillary liquid bridges via experimental approaches are introduced. General knowledge on the particle accumulation structures (PAS) is described, and then the spatial–temporal behaviours of the particles forming the PAS are illustrated with the results of the two- and three-dimensional particle tracking. Variations of the coherent structures as functions of the intensity of the thermocapillary effect and the particle size are introduced by focusing on the PAS of the azimuthal wave number <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>m</mi><mo>=</mo><mn>3</mn></mrow></semantics></math></inline-formula>. Correlation between the particle behaviour and the ordered flow structures known as the Kolmogorov–Arnold—Moser tori is discussed. Recent works on the PAS of <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>m</mi><mo>=</mo><mn>1</mn></mrow></semantics></math></inline-formula> are briefly introduced.https://www.mdpi.com/2311-5521/6/3/105thermocapillary-driven convectionhalf-zone liquid bridgesparticlescoherent structuresparticle accumulation structure (PAS)high Prandtl number fluids
spellingShingle Ichiro Ueno
Experimental Study on Coherent Structures by Particles Suspended in Half-Zone Thermocapillary Liquid Bridges: Review
Fluids
thermocapillary-driven convection
half-zone liquid bridges
particles
coherent structures
particle accumulation structure (PAS)
high Prandtl number fluids
title Experimental Study on Coherent Structures by Particles Suspended in Half-Zone Thermocapillary Liquid Bridges: Review
title_full Experimental Study on Coherent Structures by Particles Suspended in Half-Zone Thermocapillary Liquid Bridges: Review
title_fullStr Experimental Study on Coherent Structures by Particles Suspended in Half-Zone Thermocapillary Liquid Bridges: Review
title_full_unstemmed Experimental Study on Coherent Structures by Particles Suspended in Half-Zone Thermocapillary Liquid Bridges: Review
title_short Experimental Study on Coherent Structures by Particles Suspended in Half-Zone Thermocapillary Liquid Bridges: Review
title_sort experimental study on coherent structures by particles suspended in half zone thermocapillary liquid bridges review
topic thermocapillary-driven convection
half-zone liquid bridges
particles
coherent structures
particle accumulation structure (PAS)
high Prandtl number fluids
url https://www.mdpi.com/2311-5521/6/3/105
work_keys_str_mv AT ichiroueno experimentalstudyoncoherentstructuresbyparticlessuspendedinhalfzonethermocapillaryliquidbridgesreview