Acceptable Dislocation of Bearings of the Turbine Set Considering Permissible Vibration and Load of the Bearings

Abstract:

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The paper presents the procedure and the results of determination of acceptable dislocation for particular bearings of the large power turbine set. The ranges have been evaluated by numerical analysis of the turbine set model. Acceptable dislocations of the bearings were calculated in horizontal and vertical direction separately in regard to criterion of permissible bearing vibration and in regard to permissible bearing load. The results have been presented graphically in the form of areas of acceptable dislocations, which allow the comparison considering both criteria. The paper contains exemplary trajectory graphs for all bearings corresponding to maximum acceptable dislocations. The investigations revealed asymmetry of areas of acceptable dislocations, which suggests that the constructional kinetostatic line of rotors is not optimal.

Info:

Periodical:

Key Engineering Materials (Volumes 293-294)

Edited by:

W.M. Ostachowicz, J.M. Dulieu-Barton, K.M. Holford, M. Krawczuk and A. Zak

Pages:

433-440

DOI:

10.4028/www.scientific.net/KEM.293-294.433

Citation:

J. Rybczynski "Acceptable Dislocation of Bearings of the Turbine Set Considering Permissible Vibration and Load of the Bearings ", Key Engineering Materials, Vols. 293-294, pp. 433-440, 2005

Online since:

September 2005

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$35.00

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