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Statements

Subject Item
n2:RIV%2F61388998%3A_____%2F12%3A00380703%21RIV13-AV0-61388998
rdf:type
n6:Vysledek skos:Concept
dcterms:description
Computational model of blade couple damped by the direct friction contact or by inserted friction element is numerically analyzed. System is excited by a harmonic external force with frequency close to the lowest eigenfrequency in the regime of sweep excitation. Response curves show the influence of torsion stiffness, type of friction characteristic etc. on the response curves of all masses. The main goal of this analysis is to elaborate the basic background for reduction of undesirable vibrations of blades and complete results of measurements on experimental model of turbine disk in laboratory IT ASCR. Computational model of blade couple damped by the direct friction contact or by inserted friction element is numerically analyzed. System is excited by a harmonic external force with frequency close to the lowest eigenfrequency in the regime of sweep excitation. Response curves show the influence of torsion stiffness, type of friction characteristic etc. on the response curves of all masses. The main goal of this analysis is to elaborate the basic background for reduction of undesirable vibrations of blades and complete results of measurements on experimental model of turbine disk in laboratory IT ASCR.
dcterms:title
Mathematical model of two blades system Mathematical model of two blades system
skos:prefLabel
Mathematical model of two blades system Mathematical model of two blades system
skos:notation
RIV/61388998:_____/12:00380703!RIV13-AV0-61388998
n6:predkladatel
n7:ico%3A61388998
n3:aktivita
n17:Z n17:P
n3:aktivity
P(GA101/09/1166), Z(AV0Z20760514)
n3:dodaniDat
n4:2013
n3:domaciTvurceVysledku
n12:4849043 n12:1223267
n3:druhVysledku
n22:D
n3:duvernostUdaju
n14:S
n3:entitaPredkladatele
n18:predkladatel
n3:idSjednocenehoVysledku
148722
n3:idVysledku
RIV/61388998:_____/12:00380703
n3:jazykVysledku
n21:eng
n3:klicovaSlova
turbine blades; dry friction; vibration damping; torsion
n3:klicoveSlovo
n5:torsion n5:turbine%20blades n5:vibration%20damping n5:dry%20friction
n3:kontrolniKodProRIV
[32DE49E3EA35]
n3:mistoKonaniAkce
Gdaňsk
n3:mistoVydani
Gdaňsk
n3:nazevZdroje
Vibration Engineering and Technology of Machinery
n3:obor
n15:BI
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
2
n3:projekt
n16:GA101%2F09%2F1166
n3:rokUplatneniVysledku
n4:2012
n3:tvurceVysledku
Pešek, Luděk Půst, Ladislav
n3:typAkce
n20:WRD
n3:zahajeniAkce
2012-09-03+02:00
n3:zamer
n10:AV0Z20760514
s:numberOfPages
10
n11:hasPublisher
Szewalski Institute of Fluid-Flow Machinery PAS
n8:isbn
978-83-88237-61-4