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Statements

Subject Item
n2:RIV%2F00216305%3A26210%2F13%3APU108662%21RIV14-MSM-26210___
rdf:type
n15:Vysledek skos:Concept
dcterms:description
Systematic study of a low-amplitude surface roughness passing through a rolling elastohydrodynamic contact has led to general model called amplitude attenuation theory. Under pure rolling the conditions in contact inlet controls the amplitude attenuation. Whereas, the situation in rolling-sliding contact is more complex, not only inlet but also conditions inside the contact are important to explain roughness behaviour. It was found that under high speeds and high sliding conditions thermal effects like inlet shear heating, viscosity wedge effects and others are significant. They influence conditions in the contact inlet and inside contact so that, it leads to change in film thickness distribution and pressure field. In this study, high speed high sliding conditions were applied to study a role of thermal effects on roughness behaviour. The results are compared with current state of knowledge in the field of amplitude attenuation principle. Systematic study of a low-amplitude surface roughness passing through a rolling elastohydrodynamic contact has led to general model called amplitude attenuation theory. Under pure rolling the conditions in contact inlet controls the amplitude attenuation. Whereas, the situation in rolling-sliding contact is more complex, not only inlet but also conditions inside the contact are important to explain roughness behaviour. It was found that under high speeds and high sliding conditions thermal effects like inlet shear heating, viscosity wedge effects and others are significant. They influence conditions in the contact inlet and inside contact so that, it leads to change in film thickness distribution and pressure field. In this study, high speed high sliding conditions were applied to study a role of thermal effects on roughness behaviour. The results are compared with current state of knowledge in the field of amplitude attenuation principle.
dcterms:title
Surface Roughness Effects in Thermal EHL Contacts Surface Roughness Effects in Thermal EHL Contacts
skos:prefLabel
Surface Roughness Effects in Thermal EHL Contacts Surface Roughness Effects in Thermal EHL Contacts
skos:notation
RIV/00216305:26210/13:PU108662!RIV14-MSM-26210___
n15:predkladatel
n16:orjk%3A26210
n3:aktivita
n17:P
n3:aktivity
P(EE2.3.30.0005)
n3:dodaniDat
n5:2014
n3:domaciTvurceVysledku
n12:7016514 n12:2728281 n12:8892822
n3:druhVysledku
n21:D
n3:duvernostUdaju
n10:S
n3:entitaPredkladatele
n8:predkladatel
n3:idSjednocenehoVysledku
109099
n3:idVysledku
RIV/00216305:26210/13:PU108662
n3:jazykVysledku
n20:eng
n3:klicovaSlova
lubricated point contact, roughness deformation. lubricant rheology
n3:klicoveSlovo
n6:lubricated%20point%20contact n6:roughness%20deformation.%20lubricant%20rheology
n3:kontrolniKodProRIV
[B29BBE5C3F53]
n3:mistoKonaniAkce
Turín
n3:mistoVydani
Neuveden
n3:nazevZdroje
Proceedings of the 5th World Tribology Congress
n3:obor
n18:JR
n3:pocetDomacichTvurcuVysledku
3
n3:pocetTvurcuVysledku
3
n3:projekt
n4:EE2.3.30.0005
n3:rokUplatneniVysledku
n5:2013
n3:tvurceVysledku
Křupka, Ivan Hartl, Martin Šperka, Petr
n3:typAkce
n7:WRD
n3:zahajeniAkce
2013-09-08+02:00
s:numberOfPages
3
n19:hasPublisher
Neuveden
n22:isbn
9788890818509
n13:organizacniJednotka
26210