Rotordynamic evaluation of a roughened-land hybrid bearing /

(I 994), especially for the direct and cross-coupled

Bibliographic Details
Main Author: Fayolle, Patrice Gerard, 1972-
Format: Thesis eBook
Language:English
Published: [Place of publication not identified] : [publisher not identified] ; 1997.
Subjects:
Online Access:Link to OAKTrust copy
Description
Summary:(I 994), especially for the direct and cross-coupled
account for the clearance influence on the friction
bearings)
compensated hole-pattern-land hybrid bearing.
correlation is found with a code developed by San Andres
coupled forces can generate
cross-coupledforces and raise the onset speed of
Experimental data show a significant improvement in
factor model is thought to be mainly responsible for
factor.
Hybrid bearings (combinations of hydrostatic and hydrodynamic
in an elevation of the onset speed of instability. Poor
in high-speed cryogenic
instabilitiesand are responsible for a speed limitation of
instability, the use of deliberately-
represent an attractive alternative to ball bearings for use
roughened stators has been proposed, and already
stability compared to a smooth hybrid bearing, resulting
static and dynamic results for a five-pocket orifice-
stiffness predictions. The use of the Moody friction-
successfully tested for liquid "damper" seals. This
the machine. To reduce the
these mediocre predictions, since it does not correctly
thesis presents experimental as well as theoretical
turbopumps. However, the internally-developed cross-
Item Description:"Major subject: Mechanical Engineering".
Vita.
Physical Description:xi, 66 leaves : illustrations ; 28 cm.
Also available online.
Issued also on microfiche from Lange Micrographics.
Bibliography:Includes bibliographical references: pages 59-60.