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Thermal analysis of lubricant flow in a textured inlet contact
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Maskinelement.
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Strömningslära och experimentell mekanik.ORCID-id: 0000-0001-7599-0895
2008 (engelsk)Inngår i: Proceedings of the 19th International Symposium on Transport Phenomena (ISTP-19): Reykjavik, Iceland, August 17-21, 2008 / [ed] Sigurdur Brynjolfsson; Olafur Petur Palsson; Jong H. Kim, University of Iceland, Faculty of Industrial Engineering, Mechanical Engineering and Computer Science , 2008Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

Performance of an inlet textured contact is analysed for a temperature dependent lubricant flow. Thermal effects are analysed for different shear rates. Shearing of lubricant and subsequent heating reduce load carrying capacity and frictional losses compared with isothermal conditions. Load carrying capacity of a parallel surface contact can be improved by using texturing at the inlet when thermal effects are considered. It is also shown that for the different convergence ratios considered, the texture enables the sustaining of a load until a certain critical shear rate is reached. This critical shear rate depends on a number of factors such as the convergence ratio and lubricant parameters including the viscosity-temperature coefficient and the dynamic viscosity at reference temperature.

sted, utgiver, år, opplag, sider
University of Iceland, Faculty of Industrial Engineering, Mechanical Engineering and Computer Science , 2008.
HSV kategori
Forskningsprogram
Maskinelement; Strömningslära
Identifikatorer
URN: urn:nbn:se:ltu:diva-28637Lokal ID: 281927e0-74db-11dd-a03a-000ea68e967bOAI: oai:DiVA.org:ltu-28637DiVA, id: diva2:1001839
Konferanse
International Symposium on Transport Phenomena : 17/08/2008 - 21/08/2008
Merknad
Godkänd; 2008; Bibliografisk uppgift: CD-ROM; 20080828 (cervante)Tilgjengelig fra: 2016-09-30 Laget: 2016-09-30 Sist oppdatert: 2018-01-14bibliografisk kontrollert

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