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Keywords: stators
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Journal Articles
Article Type: Research Papers
J. Tribol. October 2011, 133(4): 041702.
Published Online: October 14, 2011
.... The bearings are modeled as micro-channels, consisting of a smooth moving wall (rotor), and a stationary wall (stator) with partial periodic rectangular texturing. The flow field is calculated from the numerical solution of the Navier-Stokes equations for incompressible isothermal flow; processing...
Journal Articles
Article Type: Technical Papers
J. Tribol. July 2007, 129(3): 669–678.
Published Online: March 12, 2007
...M. Arghir; F. Billy; G. Pineau; J. Frěne; A. Texier The present work presents a theoretical approach for the analysis of textured annular “damper” seals. The data for the seal were extracted from the work of Childs and Fayolle (ASME J. Tribol. 121(1), pp. 42–49) . The texture of the stator consists...
Journal Articles
Article Type: Technical Papers
J. Tribol. April 2004, 126(2): 301–309.
Published Online: April 19, 2004
... flexibly mounted stator or rotor are also obtained as degenerate cases of the more general result. Synchronous shaft whirl is shown to have a significant effect on the steady-state response of all these seals, while not affecting the stability threshold. The steady-state response is obtained by solution...
Journal Articles
Article Type: Technical Papers
J. Tribol. July 2003, 125(3): 608–616.
Published Online: June 19, 2003
...) lubrication tracking rotors stators liquid films film flow confined flow heat transfer thermal properties A mechanical face seal consists basically of a rotating ring pressed on a static ring to ensure tightness of a rotating shaft. For applications requiring a very reliable performance...
Journal Articles
Article Type: Technical Papers
J. Tribol. April 2003, 125(2): 422–429.
Published Online: March 19, 2003
...Mark Weatherwax, Machinery Engineer,; Dara W. Childs, Leland Jordan Professor of Mechanical Engineering, Test results for leakage and rotordynamic coefficients are presented for a honeycomb-stator/smooth-rotor annular seal for eccentricity ratios out to 0.5 using air as the test fluid. Tests were...
Journal Articles
Article Type: Technical Papers
J. Tribol. April 2003, 125(2): 403–413.
Published Online: March 19, 2003
... of the mechanical face seal. Closed-form solutions are presented for the transient natural response to initial velocity conditions, the steady-state response to rotor runout and initial stator misalignment, the transmissibility ratios, and the stability threshold. Results from the closed-form solutions are all...
Journal Articles
Article Type: Technical Papers
J. Tribol. October 2002, 124(4): 755–761.
Published Online: September 24, 2002
...Brad A. Miller; Itzhak Green The gas film stiffness and damping properties for a spiral grooved mechanical face seal in a flexibly mounted stator configuration are computed using the step jump method and a novel direct numerical frequency response method. The seal model has three degrees of freedom...
Journal Articles
Article Type: Technical Papers
J. Tribol. July 2002, 124(3): 524–529.
Published Online: May 31, 2002
...Rohan J. D’Souza, Graduate Research Assistant; Dara W. Childs, Leland T. Jordan Professor of Mechanical Engineering A two-control-volume bulk-flow model is used to predict rotordynamic coefficients for an annular, honeycomb-stator/smooth-rotor gas seal. The bulk-flow model uses Hirs’ turbulent...