About: Application of a cavitation algorithm on investigation of kinematically excited imbalanced rotors supported by short bearings with a central groove

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About: Application of a cavitation algorithm on investigation of kinematically excited imbalanced rotors supported by short bearings with a central groove Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	An important factor that influences properties of hydrodynamical bearings is a vapour cavitation. It represents a complex of physical processes that take place in the bearing gap due to boiling of the oil and liberation of the gases dissolved in it if the pressure drops below a critical level ( approximately pressure of saturated oil vapour at given temperature ). The observations carried out by Zeidan and Vance proved that pressure of the medium in cavitated regions remained approximately constant. After increase of the pressure the vapour bubbles collapse and the gas phase is immediately changed into a liquid one. Results of the research carried out by both investigators imply that a vapour cavitation reduces load capacity of the bearings. But on the other hand the cavitation decreases friction in the bearing gap, energy losses, resistance against the rotor rotation, and heating of the lubricant and therefore it is not always undesirable. An important factor that influences properties of hydrodynamical bearings is a vapour cavitation. It represents a complex of physical processes that take place in the bearing gap due to boiling of the oil and liberation of the gases dissolved in it if the pressure drops below a critical level ( approximately pressure of saturated oil vapour at given temperature ). The observations carried out by Zeidan and Vance proved that pressure of the medium in cavitated regions remained approximately constant. After increase of the pressure the vapour bubbles collapse and the gas phase is immediately changed into a liquid one. Results of the research carried out by both investigators imply that a vapour cavitation reduces load capacity of the bearings. But on the other hand the cavitation decreases friction in the bearing gap, energy losses, resistance against the rotor rotation, and heating of the lubricant and therefore it is not always undesirable. (en) An important factor that influences properties of hydrodynamical bearings is a vapour cavitation. It represents a complex of physical processes that take place in the bearing gap due to boiling of the oil and liberation of the gases dissolved in it if the pressure drops below a critical level ( approximately pressure of saturated oil vapour at given temperature ). The observations carried out by Zeidan and Vance proved that pressure of the medium in cavitated regions remained approximately constant. After increase of the pressure the vapour bubbles collapse and the gas phase is immediately changed into a liquid one. Results of the research carried out by both investigators imply that a vapour cavitation reduces load capacity of the bearings. But on the other hand the cavitation decreases friction in the bearing gap, energy losses, resistance against the rotor rotation, and heating of the lubricant and therefore it is not always undesirable. (cs)
Title	Application of a cavitation algorithm on investigation of kinematically excited imbalanced rotors supported by short bearings with a central groove Application of a cavitation algorithm on investigation of kinematically excited imbalanced rotors supported by short bearings with a central groove (en) Aplikace kavitačního algoritmu pro zkoumání kinematicky buzených nevyvážených rotorů uložených v krátkých ložiskách s centrální drážkou (cs)
skos:prefLabel	Application of a cavitation algorithm on investigation of kinematically excited imbalanced rotors supported by short bearings with a central groove Application of a cavitation algorithm on investigation of kinematically excited imbalanced rotors supported by short bearings with a central groove (en) Aplikace kavitačního algoritmu pro zkoumání kinematicky buzených nevyvážených rotorů uložených v krátkých ložiskách s centrální drážkou (cs)
skos:notation	RIV/61989100:27230/04:00010505!RIV09-MSM-27230___
http://linked.open...avai/riv/aktivita	P S
http://linked.open...avai/riv/aktivity	P(GA101/02/0011), S
http://linked.open...vai/riv/dodaniDat	2009
http://linked.open...aciTvurceVysledku	Zapoměl, Jaroslav
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	Vysoká škola báňská - Technická univerzita Ostrava / Fakulta strojní
http://linked.open...dnocenehoVysledku	555028
http://linked.open...ai/riv/idVysledku	RIV/61989100:27230/04:00010505
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	short bearings; pressure distribution; vapour cavitation (en)
http://linked.open.../riv/klicoveSlovo	pressure distribution short bearings vapour cavitation
http://linked.open...ontrolniKodProRIV	[36D2A6C6A097]
http://linked.open...v/mistoKonaniAkce	Liberec
http://linked.open...i/riv/mistoVydani	Liberec
http://linked.open...i/riv/nazevZdroje	Proceedings of the IX. International Conference on the Theory of Machines in association with the II. CEACM Conference on Computational Mechanics
http://linked.open...in/vavai/riv/obor	JR
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	1 (xsd:int)
http://linked.open...vavai/riv/projekt	New approach to the analysis of dynamic behaviour of nonlinear coupling elements using in rotor dynamic systems
http://linked.open...UplatneniVysledku	2004
http://linked.open...iv/tvurceVysledku	Zapoměl, Jaroslav
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2004-09-01 (xsd:date)
number of pages	6 (xsd:int)
http://purl.org/ne...btex#hasPublisher	TU Liberec
https://schema.org/isbn	80-7083-847-7
http://localhost/t...ganizacniJednotka	27230

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