The dynamic behavior of a mechanical face seal with two flexibly mounted rotors is investigated. The equations of motion are derived using linearized rotor dynamic coefficients to model the dynamic behavior of the fluid film. The equations are shown to be linear in the inertial reference with harmonic forcing functions which result from the initial misalignment of the flexible supports. A method for obtaining the steady-state response in the system is derived by transforming the equations of motion into reference frames which rotate with the shafts. The resulting equations contain constant forcing functions and can be readily solved for the magnitude of the steady-state response. The method presented allows a rapid determination of the steady-state misalignment of a seal without resorting to numerical modeling.
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January 1997
Research Papers
Steady-State Analysis of Mechanical Seals With Two Flexibly Mounted Rotors
J. Wileman,
J. Wileman
Laboratoire de Me´canique des Solides, URA CNRS Universite´ de Poitiers, Poitiers, France
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I. Green
I. Green
The George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332
Search for other works by this author on:
J. Wileman
Laboratoire de Me´canique des Solides, URA CNRS Universite´ de Poitiers, Poitiers, France
I. Green
The George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332
J. Tribol. Jan 1997, 119(1): 200-204 (5 pages)
Published Online: January 1, 1997
Article history
Received:
February 19, 1996
Revised:
June 3, 1996
Online:
January 24, 2008
Citation
Wileman, J., and Green, I. (January 1, 1997). "Steady-State Analysis of Mechanical Seals With Two Flexibly Mounted Rotors." ASME. J. Tribol. January 1997; 119(1): 200–204. https://doi.org/10.1115/1.2832460
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