About: Lift forces on a circular cylinder in cross flow resulting from heat/mass transfer

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The well-known Magnus effect is the phenomenon responsible for the curved streamlines around rotating cylinders or balls. In other words, the phenomenon causes the curved motion of spinning balls and missiles. A related application is the Flettner rotor ship, which was designed to use the Magnus effect for propulsion. More generally, the Kutta-Joukowski theorem determines lift as the product of upstream velocity, fluid density, and circulation. Flow visualization experiments of cylinders in a cross flow demonstrate this effect. For comparison purposes, a classical potential solution is presented with the same parameters (with the Reynolds number of 920). The present study assumes that similar effects can be created by means of a non-symmetrical heat/mass transfer from a section of the bluff body. A theoretical model was derived, based on equations of momentum, mass, and energy balance. The derivation utilized the terms of the entropy gradient, and the resulting velocity circulation around the body. A circular cylinder with a mass transfer surface was suggested. The mass transfer, namely the evaporation of water, is proposed through a selected 90° segment of the cylinder surface. The well-known Magnus effect is the phenomenon responsible for the curved streamlines around rotating cylinders or balls. In other words, the phenomenon causes the curved motion of spinning balls and missiles. A related application is the Flettner rotor ship, which was designed to use the Magnus effect for propulsion. More generally, the Kutta-Joukowski theorem determines lift as the product of upstream velocity, fluid density, and circulation. Flow visualization experiments of cylinders in a cross flow demonstrate this effect. For comparison purposes, a classical potential solution is presented with the same parameters (with the Reynolds number of 920). The present study assumes that similar effects can be created by means of a non-symmetrical heat/mass transfer from a section of the bluff body. A theoretical model was derived, based on equations of momentum, mass, and energy balance. The derivation utilized the terms of the entropy gradient, and the resulting velocity circulation around the body. A circular cylinder with a mass transfer surface was suggested. The mass transfer, namely the evaporation of water, is proposed through a selected 90° segment of the cylinder surface. (en)
Title	Lift forces on a circular cylinder in cross flow resulting from heat/mass transfer Lift forces on a circular cylinder in cross flow resulting from heat/mass transfer (en)
skos:prefLabel	Lift forces on a circular cylinder in cross flow resulting from heat/mass transfer Lift forces on a circular cylinder in cross flow resulting from heat/mass transfer (en)
skos:notation	RIV/46747885:24210/13:#0005577!RIV14-GA0-24210___
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(ED2.1.00/03.0088), P(GCP101/11/J019), P(IAA200760801)
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Vít, Tomáš
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	Technická univerzita v Liberci / Fakulta strojní
http://linked.open...dnocenehoVysledku	84924
http://linked.open...ai/riv/idVysledku	RIV/46747885:24210/13:#0005577
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Active flow control; Cylinder in cross flow; Magnus effect (en)
http://linked.open.../riv/klicoveSlovo	Active flow control Cylinder in cross flow Magnus effect
http://linked.open...ontrolniKodProRIV	[300E10E596BC]
http://linked.open...v/mistoKonaniAkce	Spain
http://linked.open...i/riv/mistoVydani	Great Britain
http://linked.open...i/riv/nazevZdroje	WIT Transactions on Modelling and Simulation / 16th International Conference on Computational Methods and Experimental Measurements, CMEM 2013
http://linked.open...in/vavai/riv/obor	JE
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	Centre of the New Technologies and Materials Thermoacoustic prime mover Pulsatile jets for control of flow fields
http://linked.open...UplatneniVysledku	2013
http://linked.open...iv/tvurceVysledku	Maršík, František Trávníček, Zdeněk Vít, Tomáš Pavelka, Miroslav Broučková, Zuzana
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2013-07-02 (xsd:date)
issn	1746-4064
number of pages	11 (xsd:int)
http://bibframe.org/vocab/doi	10.2495/CMEM130131
http://purl.org/ne...btex#hasPublisher	WIT Press.
https://schema.org/isbn	9781845647322
http://localhost/t...ganizacniJednotka	24210

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