About: OPTIMIZATION OF BLADED DISK PASSIVE DAMPING ELEMENT

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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)

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://engmech.cz/2011/im/doc/EM2011_proceedings.pdf
Description	This paper is aimed at reducing vibrations of bladed disk in particular operating state. The damping element used in this contribution is realized by a strap with isosceles trapezoidal cross-section area which is placed in hoop dovetail groove in the blade shrouding. The friction effect between the damping element and the groove side walls is included. Sliding between the contact surfaces leads to the dissipation of energy which causes decreasing of undesirable vibrations. The frictional force is influenced by centrifugal force acting on the damping element. The centrifugal force depends on disk angular speed, mass of the damping element and also on the size of contact area. It is shown that the axial vibrations of bladed disk in particular operating state is influenced by dimensions of the damping element cross-section Dimensional optimization is used to find the optimal dimensions. The process of finding optimal dimensions is described in this paper. The finite element model of bladed disk involving This paper is aimed at reducing vibrations of bladed disk in particular operating state. The damping element used in this contribution is realized by a strap with isosceles trapezoidal cross-section area which is placed in hoop dovetail groove in the blade shrouding. The friction effect between the damping element and the groove side walls is included. Sliding between the contact surfaces leads to the dissipation of energy which causes decreasing of undesirable vibrations. The frictional force is influenced by centrifugal force acting on the damping element. The centrifugal force depends on disk angular speed, mass of the damping element and also on the size of contact area. It is shown that the axial vibrations of bladed disk in particular operating state is influenced by dimensions of the damping element cross-section Dimensional optimization is used to find the optimal dimensions. The process of finding optimal dimensions is described in this paper. The finite element model of bladed disk involving (en)
Title	OPTIMIZATION OF BLADED DISK PASSIVE DAMPING ELEMENT OPTIMIZATION OF BLADED DISK PASSIVE DAMPING ELEMENT (en)
skos:prefLabel	OPTIMIZATION OF BLADED DISK PASSIVE DAMPING ELEMENT OPTIMIZATION OF BLADED DISK PASSIVE DAMPING ELEMENT (en)
skos:notation	RIV/00216305:26210/11:PU102800!RIV13-MSM-26210___
http://linked.open...avai/predkladatel	Fakulta strojního inženýrství
http://linked.open...avai/riv/aktivita	S
http://linked.open...avai/riv/aktivity	S
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Malenovský, Eduard Lošák, Petr
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	218737
http://linked.open...ai/riv/idVysledku	RIV/00216305:26210/11:PU102800
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Bladed disk vibrations, vibrations damping, transient analysis, optimization (en)
http://linked.open.../riv/klicoveSlovo	Bladed disk vibrations vibrations damping optimization transient analysis
http://linked.open...ontrolniKodProRIV	[6AD5622DF499]
http://linked.open...v/mistoKonaniAkce	Svratka
http://linked.open...i/riv/mistoVydani	Svratka
http://linked.open...i/riv/nazevZdroje	ENGINEERING MECHANICS 2011
http://linked.open...in/vavai/riv/obor	JR
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...UplatneniVysledku	2011
http://linked.open...iv/tvurceVysledku	Malenovský, Eduard Lošák, Petr
http://linked.open...vavai/riv/typAkce	CST - Celostátní
http://linked.open...ain/vavai/riv/wos	000313492700085
http://linked.open.../riv/zahajeniAkce	2011-05-09 (xsd:date)
number of pages	4 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Vysoké učení technické v Brně
https://schema.org/isbn	978-80-87012-33-8
http://localhost/t...ganizacniJednotka	26210
is http://linked.open...avai/riv/vysledek of	OPTIMIZATION OF BLADED DISK PASSIVE DAMPING ELEMENT

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