About: Influence of the rough sphere rotation on the drag force

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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 shape of the particles in the real fluid flows is different from the spherical. Influence of the shape on the particle motion is very interesting; however, in the common case this problem can't be solved. Therefore, the special cases of the particle shape play important role. One of such case is the particle shape near to spherical -- the rough sphere, i.e. the sphere with rough surface. In the present work this problem is studied for the rough sphere moving and simultaneously rotating in fluid. The zone of low pressure is formed behind the sphere. This zone gives the main contribution in the drag. If the sphere moves and rotates in fluid the secondary flow supplies the fluid in the zone of low pressure behind the sphere, the pressure in this zone increases and the drag decreases. In the case of a smooth sphere this effect is visible for the large angular velocity only whereas in the case of the rough sphere it can be observed even for the small one. The shape of the particles in the real fluid flows is different from the spherical. Influence of the shape on the particle motion is very interesting; however, in the common case this problem can't be solved. Therefore, the special cases of the particle shape play important role. One of such case is the particle shape near to spherical -- the rough sphere, i.e. the sphere with rough surface. In the present work this problem is studied for the rough sphere moving and simultaneously rotating in fluid. The zone of low pressure is formed behind the sphere. This zone gives the main contribution in the drag. If the sphere moves and rotates in fluid the secondary flow supplies the fluid in the zone of low pressure behind the sphere, the pressure in this zone increases and the drag decreases. In the case of a smooth sphere this effect is visible for the large angular velocity only whereas in the case of the rough sphere it can be observed even for the small one. (en)
Title	Influence of the rough sphere rotation on the drag force Influence of the rough sphere rotation on the drag force (en)
skos:prefLabel	Influence of the rough sphere rotation on the drag force Influence of the rough sphere rotation on the drag force (en)
skos:notation	RIV/67985874:_____/10:00343499!RIV11-AV0-67985874
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(IAA200600603), Z(AV0Z20600510)
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Lukerchenko, Nikolay
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	Ústav pro hydrodynamiku AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	263843
http://linked.open...ai/riv/idVysledku	RIV/67985874:_____/10:00343499
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	drag force; Magnus force; particle rotation; rough sphere (en)
http://linked.open.../riv/klicoveSlovo	particle rotation rough sphere Magnus force drag force
http://linked.open...ontrolniKodProRIV	[B4A605AD350A]
http://linked.open...v/mistoKonaniAkce	Alušta
http://linked.open...i/riv/mistoVydani	Moskva
http://linked.open...i/riv/nazevZdroje	Materialy VIII Meždunarodnoj konferencii po neravnovesnym processam v soplach i strujach (NPNJ'2010)
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...vavai/riv/projekt	Experimental and theoretical investigation of the Magnus force acting on the solid particle in fluid
http://linked.open...UplatneniVysledku	2010
http://linked.open...iv/tvurceVysledku	Lukerchenko, Nikolay
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2010-05-25 (xsd:date)
http://linked.open...n/vavai/riv/zamer	Dynamics of Fluid Systems and Transformation Processes in Hydrosphere
number of pages	4 (xsd:int)
http://purl.org/ne...btex#hasPublisher	MAI-PRINT
https://schema.org/isbn	978-5-7035-2184-7

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