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TECHNICAL PAPERS

Effect of Fluid Inertia on Stability of Oil Journal Bearings

[+] Author and Article Information
S. K. Kakoty, B. C. Majumdar

Department of Mechanical Engineering, Indian Institute of Technology, Kharagpur-721 302, India

J. Tribol 122(4), 741-745 (Feb 15, 1999) (5 pages) doi:10.1115/1.1288590 History: Received January 16, 1998; Revised February 15, 1999
Copyright © 2000 by ASME
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References

Figures

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Schematic diagram of a journal bearing
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Trajectory of the center of journal under unidirectional constant load (L/D=0.5,ε0=0.2). The shaft position after every revolution is marked sequentially (whirl ratio=0.5).
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Trajectory of the center of journal under unidirectional constant load (L/D=1.0,ε0=0.7). The shaft position after every revolution is marked sequentially (whirl ratio=0.36).
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Stability curve for Re* =0.0 and Re* =0.1. L/D=1.0 (mass parameter versus eccentricity ratio).
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Stability curve for Re* =0.0 and Re* =0.1. L/D=1.0 (whirl ratio versus eccentricity ratio).
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Stability curve for different Re* . L/D=0.5 (mass parameter versus eccentricity ratio).
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Stability curve for different Re* . L/D=0.5 (whirl ratio versus eccentricity ratio).
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Stability curve for different Re* . L/D=1.0 (a) mass parameter versus eccentricity ratio; (b) mass parameter versus Sommerfeld number.
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Stability curve for different Re* . L/D=1.0 (whirl ratio versus eccentricity ratio).
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Stability curve for different Re* . L/D=2.0 (mass parameter versus eccentricity ratio).
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Stability curve for different Re* . L/D=2.0 (whirl ratio versus eccentricity ratio).

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