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Influence of pad compliance on nonlinear dynamic characteristics of tilting pad journal bearings
Kungliga tekniska högskolan, KTH.
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik.
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Maskinelement.
2013 (engelsk)Inngår i: Tribology International, ISSN 0301-679X, E-ISSN 1879-2464, Vol. 57, s. 46-53Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

The effect of padcompliance on the dynamic response of tiltingpadjournalbearings is investigated. Padcompliance is varied by changing pivot geometry and Young’s modulus of pad backing and pad liner. Two pad support configurations are considered: one that allows only circumferential tilt and another one that allows both circumferential and axial tilts. Journal orbits, oil film pressure and oil film thickness are compared and discussed. It is shown that higher pad backing compliance significantly increases the journal orbit size and results in an increase in oil film pressure while oil film thickness is decreased. With a compliant liner, oil film pressure is decreased while oil film thickness is increased. Tapers at the pad edges are essential to increase the global minimum oil film thickness in compliant liner bearings.

sted, utgiver, år, opplag, sider
2013. Vol. 57, s. 46-53
HSV kategori
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Maskinelement
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URN: urn:nbn:se:ltu:diva-15341DOI: 10.1016/j.triboint.2012.07.005ISI: 000311474800006Scopus ID: 2-s2.0-84864545767Lokal ID: ed68d578-fb19-4316-a409-8f34b1110365OAI: oai:DiVA.org:ltu-15341DiVA, id: diva2:988315
Merknad
Validerad; 2013; 20120731 (ysko)Tilgjengelig fra: 2016-09-29 Laget: 2016-09-29 Sist oppdatert: 2018-07-10bibliografisk kontrollert

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Isaksson, PatrikGlavatskih, Sergei

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