APPLICATION OF GENERALIZED DIFFERENTIAL QUADRATURE METHOD TO NON-CIRCULAR TWO-LOBE JOURNAL BEARINGS PERFORMANCE ANALYSIS

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ZARE MEHRJARDI M.; DASHTI RAHMATABADI A.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Paper Information

Journal: Journal of Aerospace Mechanics Year:2012 | Volume:7 | Issue:4 (26) (FLUID MECHANICS AND AERODYNAMICS) Page(s): 1-12

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Title

APPLICATION OF GENERALIZED DIFFERENTIAL QUADRATURE METHOD TO NON-CIRCULAR TWO-LOBE JOURNAL BEARINGS PERFORMANCE ANALYSIS

Author(s)

ZARE MEHRJARDI M. | DASHTI RAHMATABADI A. | Issue Writer Certificate

Keywords

GDQ METHODQ2

HYDRODYNAMICAL LUBRICATIONQ2

MICROPOLAR LUBRICATORQ2

CIRCULAR JOURNAL BEARINGQ2

Abstract

This paper presents the application of generalized differential quadrature (GDQ) method for analysis of circular and non-circular (two-lobe) journal bearings, lubricated with micro polar fluid. Generalized differential quadrature is a simple, efficient, and high-order numerical technique, which uses the information on all sample grid points to approach the derivatives of the unknown function. The effectiveness of the solution technique is verified by comparing the GDQ computed results with previous results of CIRCULAR JOURNAL BEARING. It is seen from the results that GDQ METHOD can easily compete with existing methods of solution of lubrication problems for its analytical simplicity, less computer storage requirements, and capability of producing accurate results with a very high computational efficiency. Also, GDQ results for two-lobe journal bearing, lubricated with micro polar fluids, show an increase in load carrying capacity and decrease in the coefficient of friction, attitude angle, and side leakage for bearing in comparison with the same bearing lubricated with Newtonian fluid.

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APA: Copy

ZARE MEHRJARDI, M., & DASHTI RAHMATABADI, A.. (2012). APPLICATION OF GENERALIZED DIFFERENTIAL QUADRATURE METHOD TO NON-CIRCULAR TWO-LOBE JOURNAL BEARINGS PERFORMANCE ANALYSIS. AEROSPACE MECHANICS JOURNAL, 7(4 (26) (FLUID MECHANICS AND AERODYNAMICS)), 1-12. SID. https://sid.ir/paper/101704/en

Vancouver: Copy

ZARE MEHRJARDI M., DASHTI RAHMATABADI A.. APPLICATION OF GENERALIZED DIFFERENTIAL QUADRATURE METHOD TO NON-CIRCULAR TWO-LOBE JOURNAL BEARINGS PERFORMANCE ANALYSIS. AEROSPACE MECHANICS JOURNAL[Internet]. 2012;7(4 (26) (FLUID MECHANICS AND AERODYNAMICS)):1-12. Available from: https://sid.ir/paper/101704/en

IEEE: Copy

M. ZARE MEHRJARDI, and A. DASHTI RAHMATABADI, “APPLICATION OF GENERALIZED DIFFERENTIAL QUADRATURE METHOD TO NON-CIRCULAR TWO-LOBE JOURNAL BEARINGS PERFORMANCE ANALYSIS,” AEROSPACE MECHANICS JOURNAL, vol. 7, no. 4 (26) (FLUID MECHANICS AND AERODYNAMICS), pp. 1–12, 2012, [Online]. Available: https://sid.ir/paper/101704/en

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