About: Modelling of a Free-Falling Water Droplet, Handicap of CSF Approach and Its Improvement Design

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	By nature, every water jet undergoes a secondary breakup from previously continuous substance to droplets. Generally, higher velocities lead into more distorted droplets, and a perfectly spherical droplet can be barely found then. However, in this study, slowly moving droplets of the circular shape were considered. The free-falling droplets (2 mm and 0.2 mm) were numerically solved to shed light on the flow field, their terminal velocity was calculated, and then some drawbacks in modelling of surface tension effects were shown. The commercial CFD package Fluent, specifically the Volume of Fluid Method with the continuous surface force model, was used. After all, several approaches were proposed to improve interface curvature estimation, and consequently to model surface tension effects more precisely. By nature, every water jet undergoes a secondary breakup from previously continuous substance to droplets. Generally, higher velocities lead into more distorted droplets, and a perfectly spherical droplet can be barely found then. However, in this study, slowly moving droplets of the circular shape were considered. The free-falling droplets (2 mm and 0.2 mm) were numerically solved to shed light on the flow field, their terminal velocity was calculated, and then some drawbacks in modelling of surface tension effects were shown. The commercial CFD package Fluent, specifically the Volume of Fluid Method with the continuous surface force model, was used. After all, several approaches were proposed to improve interface curvature estimation, and consequently to model surface tension effects more precisely. (en)
Title	Modelling of a Free-Falling Water Droplet, Handicap of CSF Approach and Its Improvement Design Modelling of a Free-Falling Water Droplet, Handicap of CSF Approach and Its Improvement Design (en)
skos:prefLabel	Modelling of a Free-Falling Water Droplet, Handicap of CSF Approach and Its Improvement Design Modelling of a Free-Falling Water Droplet, Handicap of CSF Approach and Its Improvement Design (en)
skos:notation	RIV/00216305:26210/09:PU82870!RIV10-MSM-26210___
http://linked.open...avai/riv/aktivita	S
http://linked.open...avai/riv/aktivity	S
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Boháček, Jan
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoké učení technické v Brně / Fakulta strojního inženýrství
http://linked.open...dnocenehoVysledku	326822
http://linked.open...ai/riv/idVysledku	RIV/00216305:26210/09:PU82870
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	free-falling droplet, terminal velocity, volume of fluid, surface tension (en)
http://linked.open.../riv/klicoveSlovo	terminal velocity surface tension free-falling droplet volume of fluid
http://linked.open...ontrolniKodProRIV	[BA89F08D32A9]
http://linked.open...v/mistoKonaniAkce	Ostrava
http://linked.open...i/riv/mistoVydani	Ostrava
http://linked.open...i/riv/nazevZdroje	Vodní paprsek
http://linked.open...in/vavai/riv/obor	BK
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	1 (xsd:int)
http://linked.open...UplatneniVysledku	2009
http://linked.open...iv/tvurceVysledku	Boháček, Jan
http://linked.open...vavai/riv/typAkce	EUR - Evropská
http://linked.open.../riv/zahajeniAkce	2009-11-04 (xsd:date)
number of pages	9 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Ústav geoniky AVČR,v.v.i.
https://schema.org/isbn	978-80-86407-81-4
http://localhost/t...ganizacniJednotka	26210

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