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Keywords: dynamics
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Journal Articles
Article Type: Research Papers
J. Tribol. April 2011, 133(2): 021902.
Published Online: March 21, 2011
...Sripathi Vangipuram Canchi; David B. Bogy Thermal fly-height control sliders are widely used in current hard disk drives to control and maintain subnanometer level clearance between the read-write head and the disk. The peculiar dynamics observed during touchdown/contact tests for certain slider...
Journal Articles
Article Type: Research Papers
J. Tribol. April 2009, 131(2): 021102.
Published Online: March 3, 2009
...Nick Weinzapfel; Farshid Sadeghi A model for deep-groove and angular-contact ball bearings was developed to investigate the influence of a flexible cage on bearing dynamics. The cage model introduces flexibility by representing the cage as an ensemble of discrete elements that allow deformation...
Journal Articles
Article Type: Research Papers
J. Tribol. January 2009, 131(1): 011102.
Published Online: December 4, 2008
...Tomoya Sakaguchi; Kazuyoshi Harada In order to investigate cage stress in tapered roller bearings, a dynamic analysis tool considering both the six degrees of freedom of motion of the rollers and cage and the elastic deformation of the cage was developed. Cage elastic deformation is equipped using...
Journal Articles
Article Type: Research Papers
J. Tribol. July 2006, 128(3): 604–611.
Published Online: March 4, 2006
...Tomoya Sakaguchi; Kazuyoshi Harada A three-dimensional dynamic simulation analysis of a tapered roller bearing was performed using commercially available software. Without cage pocket shape simplification, the dynamic motion of the cage and rollers was calculated in six degrees of freedom...
Journal Articles
Article Type: Technical Papers
J. Tribol. October 2003, 125(4): 797–803.
Published Online: September 25, 2003
...Czeslaw Kundera, Faculty of Mechatronics and Mechanical Engineering, The paper deals with a dynamic analysis of a non-contacting seal with two flexibly mounted rotating rings. The kinematics of motion is described and the equations of dynamics derived. Hydromechanical forces and moments containing...
Journal Articles
Article Type: Technical Papers
J. Tribol. January 2003, 125(1): 162–167.
Published Online: December 31, 2002
...Stefan Weissner; Uwe Zander; Frank E. Talke A new beam suspension model for load/unload simulations of magnetic hard disk drive sliders is presented. The model is applicable to the load/unload process as well as to the dynamic flying behavior of the slider on the disk. Suspension and gimbal...
Journal Articles
Article Type: Technical Papers
J. Tribol. October 2002, 124(4): 815–821.
Published Online: September 24, 2002
... by the Tribology Division April 6, 2000; revised manuscript received May 22, 2001. Associate Editor: J. L. Streator. 06 April 2000 22 May 2001 24 09 2002 machine bearings manufacturing processes micromechanical devices dynamics performance evaluation In bow, shown in Fig. 2...
Journal Articles
Article Type: Technical Papers
J. Tribol. January 2002, 124(1): 196–202.
Published Online: June 13, 2001
... as a forced vibration caused by the rotor motion due to its runout and misalignment. The seal steady-state dynamic responses are solved semianalytically. Results for a typical spiral groove gas face seal agree well with that from a full numerical simulation. Stability of the seal axial pulsating and conical...
Journal Articles
Article Type: Technical Papers
J. Tribol. January 2002, 124(1): 186–195.
Published Online: June 12, 2001
...Bo Ruan A numerical model is developed for the dynamic analysis of gas lubricated spiral groove face seals. Effects of the rotor runout, misalignment, face contact, as well as the stiffness and damping of the secondary seal are considered. Seal axial and angular motions and key parameters...
Journal Articles
Article Type: Technical Papers
J. Tribol. January 2002, 124(1): 137–143.
Published Online: June 5, 2001
... received June 5, 2001. Associate Editor: S. Wu. 20 February 2001 05 June 2001 seals (stoppers) rotors leak detection dynamics tribology Figure 1 illustrates a section from a centrifugal compressor showing an eye-packing, interstage, and balance-piston seals. The eye...
Journal Articles
Article Type: Technical Papers
J. Tribol. April 2002, 124(2): 406–413.
Published Online: June 1, 2001
...M. O. T. Cole; P. S. Keogh; C. R. Burrows The dynamic behavior of a rolling element bearing under auxiliary operation in rotor/magnetic bearing systems is analyzed. When contact with the rotor occurs, the inner race experiences high impact forces and rapid angular acceleration. A finite element...
Journal Articles
Article Type: Technical Papers
J. Tribol. January 2002, 124(1): 151–157.
Published Online: April 17, 2001
..., and with the largest minimum film thickness. The stability issue was investigated in a previous paper. Here a numerical solution is presented for the transient response of a noncontacting gas lubricated face seal that is subjected to stator and rotor forcing misalignments. The seal dynamic response is obtained...
Journal Articles
Article Type: Technical Papers
J. Tribol. October 2000, 122(4): 752–760.
Published Online: April 4, 2000
...A. T. Prata; J. R. S. Fernandes; F. Fagotti Piston dynamics plays a fundamental role in two critical processes related to fluid flow in reciprocating compressors. The first is the gas leakage through the radial clearance, which may cause considerable loss in the pumping efficiency of the compressor...