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Pregled bibliografske jedinice broj: 782925

Časopis

Autori: Ruggiero, Alessandro; Hloch, Sergej; Kozak, Drazan and Valasek Petr
Naslov: Analytical fluid film force calculation in the case of short bearing with a fully developed turbulent flow
Izvornik: Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology (1350-6501) 230 (2016), 4; 395-401
Vrsta rada: članak
Ključne riječi: Lubrication; journal bearing; analytical solution; fluid film force
Sažetak:
The main purpose of this paper is to define a methodology to determine the analytical approximate closed-form expression of non-steady fluid film force and of the oil film coefficients for the liquid-lubricated journal bearings in the case of a fully developed turbulent flow regime. The considered model is a symmetrical rigid rotor supported on two lubricated journal bearings ; this paper considers the cases of the short bearing approximation, introducing the turbulence correction flow factors in the classical Reynolds equation. The proposed methodology gives the opportunity to solve in approximate way the equation governing the distribution of pressure in the bearing oil gap and then to obtain the closed- form expressions for the non-steady fluid forces. This approach shows the benefit of minimising the calculation time required for the non-linear dynamic analysis of rotors on turbulent journal bearings without any significant loss of accuracy giving a better readability of the parameter involved on the system behaviour.
Projekt / tema: 152-1201910-1909
Izvorni jezik: ENG
Rad je indeksiran u
bazama podataka:
Current Contents Connect (CCC)
Scopus
SCI-EXP, SSCI i/ili A&HCI
Science Citation Index Expanded (SCI-EXP) (sastavni dio Web of Science Core Collectiona)
Kategorija: Znanstveni
Znanstvena područja:
Strojarstvo
URL Internet adrese: http://pij.sagepub.com
sagepub.co.uk/journalsPermissions.nav
Broj citata:
Altmetric:
DOI: 10.1177/1350650115602510
URL cjelovitog teksta:
Google Scholar: Analytical fluid film force calculation in the case of short bearing with a fully developed turbulent flow
Upisao u CROSBI: Drazan Kozak (dkozak@sfsb.hr), 24. Lis. 2015. u 18:22 sati



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