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Stability Analysis of a Compliant Lemon Bore Journal Bearing

[+] Author Affiliations
Evgeny Kuznetsov, Sergei Glavatskih

Luleå University of Technology, Luleå, Sweden

Paper No. ESDA2008-59589, pp. 561-568; 8 pages
doi:10.1115/ESDA2008-59589
From:
  • ASME 2008 9th Biennial Conference on Engineering Systems Design and Analysis
  • Volume 3: Design; Tribology; Education
  • Haifa, Israel, July 7–9, 2008
  • Conference Sponsors: International
  • ISBN: 978-0-7918-4837-1 | eISBN: 0-7918-3827-7
  • Copyright © 2008 by ASME

abstract

Dynamic coefficients for a lemon bore journal bearing with a compliant PTFE surface are computed. An efficient method for the calculation of bearing dynamic coefficients proposed by Lund [4] has been extended to compliant bearings. Comparison with a rigid babbitted lemon bore journal bearing in terms of dynamic coefficients and stability is given and discussed. It is shown that it is important to consider perturbations of both the oil film and the compliant lining to obtain realistic results. It is also shown that stability of compliant bearings is improved at some eccentricities compared with conventional babbitted bearings.

Copyright © 2008 by ASME

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