Rotational inertia and surface roughness effects in curvilinear thrust bearings lubricated by a couple stress fluid

• Autorzy: Walicka A. , Walicki E.
• Języki publikacji: EN

Abstrakty

EN

On the basis of Christensen’s stochastic model of rough surfaces, different forms of Reynolds equation with rotational inertia effect are obtained for various types of surface roughness pattern and for couple stress lubricant. As results one obtained the formulae expressing the mean film pressure distribution for externally pressurized bearings and for bearings with a squeeze film. Examples of spherical and step bearings are considered.

Słowa kluczowe

EN

Christensen stochastic model; couple stress; surface roughness; curvilinear surfaces; thrust bearings

PL

hydromechanika; łożysko; powierzchnia chropowata

• Wydawca: Oficyna Wydawnicza Uniwersytetu Zielonogórskiego
• Czasopismo: International Journal of Applied Mechanics and Engineering
• Rocznik: 2005
• Tom: Vol. 10, no 3
• Strony: 527--541
• Opis fizyczny: Bibliogr. 16 poz., wykr.

Twórcy

autor

Walicka A.

• University of Zielona Góra, Department of Mechanics ul. Szafrana 2. P.O. Box 47, 65-016 Zielona Góra, POLAND

autor

Walicki E.

• University of Zielona Góra, Department of Mechanics ul. Szafrana 2. P.O. Box 47, 65-016 Zielona Góra, POLAND

Bibliografia

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• [2] Andharia P.I., Deheri G.M. and Gupta J.L. (2001): Effect of longitudinal surface roughness on the behaviour of squeeze film in a spherical bearing. - Int. J. Appl. Mech. Eng., vol.6, No.4, pp.885-897.
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• [12] Walicka A, Walicki E. and Raganowicz B. (1997): Mechanical parameters of a curvilinear thrust bearing lubricated by couple stress fluids. - Proc. 3rd Nat. Conf.: Problems of Unconventional Bearing Systems, May 15-16, Łódź, pp.95-101.
• [13] Walicka A and Walicki E. (2002): Couple stress and surface roughness effects in curvilinear thrust bearing, - Int. J. Appl. Mech. Eng., vol.7, Special Issue: SITC 2002, pp.109-117.
• [14] Walicka A and Walicki E. (2004): Rotational inertia and surface roughness effect in curvilinear thrust bearing. - Int. J. Appl. Mech. Eng., vol.9, Special Issue: ITC 2004, pp.329-336.
• [15] Walicki E. and Walicka A (2000): Mathematical modelling of some biological bearing. - J. Smart. Mat. Struct., vol.9, No.1, pp.280-283.
• [16] Walicki E. and Walicka A (2002): Surface roughness effects in curvilinear thrust bearings. - Proc. 6th Int. Symp. INSYCONT 2002, Sept.19-21, Cracow. Problems of Machines Exploitation No.3(131), pp. 157-167.