About: The Instable Parametric Oscillations During The Rope Track Transport

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The parametric oscillation appears if some parameter of the oscillating system, e.g. stiffness, changes its value in the process of oscillation. The two different frequencies have influence on the resulting motion. The natural frequency of the system and frequency of the stiffness change. The analytical solution for the harmonic change was performed by Mathieu. The resulting motion can have stable or instable form, depending on the value of two dimensionless constants. First represents the ratio between natural frequency a frequency of the stiffness change, second represents ratio between the variation and average value of stiffness. During the transport on the rope track in the horizontal mine opening two forms of the parametric oscillations can appear. The diagonal swinging in the horizontal direction (mathematical pendulum) and vertical oscillations due to rope stiffness are analyzed and the conditions of the parametric oscillations appearance are determined. The parametric oscillation appears if some parameter of the oscillating system, e.g. stiffness, changes its value in the process of oscillation. The two different frequencies have influence on the resulting motion. The natural frequency of the system and frequency of the stiffness change. The analytical solution for the harmonic change was performed by Mathieu. The resulting motion can have stable or instable form, depending on the value of two dimensionless constants. First represents the ratio between natural frequency a frequency of the stiffness change, second represents ratio between the variation and average value of stiffness. During the transport on the rope track in the horizontal mine opening two forms of the parametric oscillations can appear. The diagonal swinging in the horizontal direction (mathematical pendulum) and vertical oscillations due to rope stiffness are analyzed and the conditions of the parametric oscillations appearance are determined. (en)
Title	The Instable Parametric Oscillations During The Rope Track Transport The Instable Parametric Oscillations During The Rope Track Transport (en)
skos:prefLabel	The Instable Parametric Oscillations During The Rope Track Transport The Instable Parametric Oscillations During The Rope Track Transport (en)
skos:notation	RIV/61989100:27230/08:10223663!RIV11-GA0-27230___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GA105/08/1562)
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Podešva, Jiří Polák, Jaromír
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
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	372614
http://linked.open...ai/riv/idVysledku	RIV/61989100:27230/08:10223663
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	rope transport; parameters; mass; stiffness; parametric oscillation (en)
http://linked.open.../riv/klicoveSlovo	parameters stiffness mass parametric oscillation rope transport
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[CDE875DE8170]
http://linked.open...i/riv/nazevZdroje	Sborník vědeckých prací VŠB - TU Ostrava, řada strojní
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...vavai/riv/projekt	Steel supports of long undergnound openings under exceptional loading
http://linked.open...UplatneniVysledku	2008
http://linked.open...v/svazekPeriodika	54
http://linked.open...iv/tvurceVysledku	Podešva, Jiří Polák, Jaromír
issn	1210-0471
number of pages	8 (xsd:int)
http://localhost/t...ganizacniJednotka	27230
is http://linked.open...avai/riv/vysledek of	The Instable Parametric Oscillations During The Rope Track Transport The Instable Parametric Oscillations During The Rope Track Transport The Instable Parametric Oscillations During The Rope Track Transport

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