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A new method to visualize grease flow in a double restriction seal using microparticle image velocimetry
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Strömningslära och experimentell mekanik.
Vise andre og tillknytning
2011 (engelsk)Inngår i: Tribology Transactions, ISSN 1040-2004, E-ISSN 1547-397X, Vol. 54, s. 784-792Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

A new method to visualize and quantify grease flow in between two sealing lips or, in general, a double restriction seal is presented. Two setups were designed to mimic different types of seals; that is, a radial and an axial shaft seal. The flow of the grease inside and in between the sealing restrictions was measured using microparticle image velocimetry. The results show that grease flow due to a pressure difference mainly takes place close to the rotating shaft surface with an exponentially decaying velocity profile in the radial direction. Consequently, contaminants may be captured in the stationary grease at the outer radius, which explains the sealing function of the grease.

sted, utgiver, år, opplag, sider
2011. Vol. 54, s. 784-792
Emneord [en]
Engineering mechanics - Fluid mechanics
Emneord [sv]
Teknisk mekanik - Strömningsmekanik
HSV kategori
Forskningsprogram
Strömningslära; Maskinelement
Identifikatorer
URN: urn:nbn:se:ltu:diva-13038DOI: 10.1080/10402004.2011.604759ISI: 000300173100012Scopus ID: 2-s2.0-80053116917Lokal ID: c3320290-08f1-11e0-b767-000ea68e967bOAI: oai:DiVA.org:ltu-13038DiVA, id: diva2:985989
Merknad
Validerad; 2011; 20101216 (torgre)Tilgjengelig fra: 2016-09-29 Laget: 2016-09-29 Sist oppdatert: 2018-07-10bibliografisk kontrollert

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Green, TorbjörnBaart, PieterWesterberg, Lars-GöranLundström, StaffanHöglund, ErikLugt, PietLi, Jinxia

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