About: More accurate determination of a pressure function in long hydrodynamical bearings

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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	Fluid-film bearings are usually incorporated into computational models by means of nonlinear force couplings. Calculation of components the hydraulical force through which the layer of lubricant acts on the rotor journal and bearing shell requires to determine a pressure distribution ( a pressure function ) in the bearing gap which is described by a set of Navier-Stokes equations. Because their solution ( together with the equation of continuity ) is considerably time consuming, a new approach to calculation of the pressure function has been developed. It consists in averaging the terms in the Navier-Stokes equation corresponding to the direction of prevailing pressure gradient ( in long bearings it is in the circumferential direction ). To perform this manipulation velocity profiles obtained from solving a Reynolds' equation are applied. As the pressure function is 2p-periodic, it is approximated by a finite number of terms of a Fourier series and the Fourier coefficients are calculated by means of a Fluid-film bearings are usually incorporated into computational models by means of nonlinear force couplings. Calculation of components the hydraulical force through which the layer of lubricant acts on the rotor journal and bearing shell requires to determine a pressure distribution ( a pressure function ) in the bearing gap which is described by a set of Navier-Stokes equations. Because their solution ( together with the equation of continuity ) is considerably time consuming, a new approach to calculation of the pressure function has been developed. It consists in averaging the terms in the Navier-Stokes equation corresponding to the direction of prevailing pressure gradient ( in long bearings it is in the circumferential direction ). To perform this manipulation velocity profiles obtained from solving a Reynolds' equation are applied. As the pressure function is 2p-periodic, it is approximated by a finite number of terms of a Fourier series and the Fourier coefficients are calculated by means of a (en)
Title	More accurate determination of a pressure function in long hydrodynamical bearings More accurate determination of a pressure function in long hydrodynamical bearings (en)
skos:prefLabel	More accurate determination of a pressure function in long hydrodynamical bearings More accurate determination of a pressure function in long hydrodynamical bearings (en)
skos:notation	RIV/61989100:27230/02:00006624!RIV/2003/GA0/272303/N
http://linked.open.../vavai/riv/strany	173-178
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA101/02/0011), Z(MSM 272400019)
http://linked.open...vai/riv/dodaniDat	2003
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	654268
http://linked.open...ai/riv/idVysledku	RIV/61989100:27230/02:00006624
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	pressure function, long hydrodynamical bearings, Navier-Stokes equations, trigonometric collocation method (en)
http://linked.open.../riv/klicoveSlovo	pressure function Navier-Stokes equations trigonometric collocation method long hydrodynamical bearings
http://linked.open...ontrolniKodProRIV	[1FA15A7108B5]
http://linked.open...v/mistoKonaniAkce	Wisla
http://linked.open...i/riv/mistoVydani	Gliwice
http://linked.open...i/riv/nazevZdroje	Zeszyty naukowe katedry mechaniki stosowanej
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	2002
http://linked.open...iv/tvurceVysledku	Zapoměl, Jaroslav
http://linked.open...vavai/riv/typAkce	EUR - Evropská
http://linked.open.../riv/zahajeniAkce	2002-06-01 (xsd:date)
http://linked.open...n/vavai/riv/zamer	http://linked.opendata.cz/resource/domain/vavai/zamer/MSM%20272400019
number of pages	6 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Politechnika Śląska Gliwice
https://schema.org/isbn	83-917224-0-6
http://localhost/t...ganizacniJednotka	27230

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