Numerical Techniques for Computing Rotordynamic Properties of Mechanical Gas Face Seals

Brad A. Miller; Itzhak Green

doi:10.1115/1.1467635

Journal of Tribology | Volume 124 | Issue 4 | TECHNICAL PAPERS

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TECHNICAL PAPERS

Numerical Techniques for Computing Rotordynamic Properties of Mechanical Gas Face Seals

Brad A. Miller and Itzhak Green

[+] Author and Article Information

Brad A. Miller

Department of Mechanical and Aerospace Engineering and Engineering Mechanics, University of Missouri-Rolla, 1870 Miner Circle, Rolla, MO 65409-0050

Itzhak Green

George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA 30332-0405

J. Tribol 124(4), 755-761 (Sep 24, 2002) (7 pages) doi:10.1115/1.1467635 History: Received July 20, 2001; Revised December 27, 2001; Online September 24, 2002

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References

Malanoski, S. B., and Pan, C. H. T., 1965, “The Static and Dynamic Characteristics of the Spiral-Grooved Thrust Bearing,” ASME J. Basic Eng., 87, pp. 547–558.

Zirkelback, N., and San Andrès, L., 1999, “Effect of Frequency Excitation on Force Coefficients of Spiral Groove Gas Seals,” ASME J. Tribol., 121, pp. 853–863.

Zirkelback, N., 2000, “Parametric Study of Spiral Groove Gas Face Seals,” J. Tribol. Trans., 43, pp. 337–343.

Elrod, H. G., McCabe, J. T., and Chu, T. Y., 1967, “Determination of Gas-Bearing Stability by Response to a Step-Jump,” ASME J. Lubr. Technol., 89, pp. 493–498.

Miller, B., and Green, I., 2000, “The Dynamic Properties of Annular Gas Squeeze Film Dampers,” Tribol. Trans., 43, pp. 302–310.

Green, I., and Etsion, I., 1985, “Stability Threshold and Steady-State Response of Noncontacting Coned-Face Seals,” ASLE Trans., 28, pp. 449–460.

Gross, W. A., 1980, Fluid Film Lubrication, John Wiley & Sons, New York.

Miller, B., and Green, I., 1997, “On the Stability of Gas Lubricated Triboelements Using the Step Jump Method,” ASME J. Tribol., 119, pp. 193–199.

Miller, B., and Green, I., 2001, “Numerical Formulation for the Dynamic Analysis of Spiral-Grooved Gas Face Seals,” ASME J. Tribol., 123, pp. 395–403.

Ono, K., 1975, “Dynamic Characteristics of Air-Lubricated Slider Bearing for Noncontact Magnetic Recording,” ASME J. Lubr. Technol., 97, pp. 250–260.

Figures

(a) Direct tilt step responses, k_{M_X,γ_X}(t) and k_{M_Y,γ_Y}(t), for Seal Type I; and (b) cross-coupled tilt step responses, k_{M_Y,γ_X}(t) and −k_{M_X,γ_Y}(t), for Seal Type I

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Direct axial frequency responses, G_{F_Z,Z}, for Seal Type I

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(a) Direct tilt frequency responses, G_{M_X,γ_X} and G_{M_Y,γ_Y}, for Seal Type I; and (b) cross-coupled tilt frequency responses, G_{M_Y,γ_X} and −G_{M_X,γ_Y}, for Seal Type I

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Comparison of storage Moduli for the direct axial frequency responses, G_{F_Z,Z}, for Seal Type II

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Comparison of loss Moduli for the direct axial frequency responses, G_{F_Z,Z}, for Seal Type II

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Miller BA, Green I. Numerical Techniques for Computing Rotordynamic Properties of Mechanical Gas Face Seals. ASME. J. Tribol. 2002;124(4):755-761. doi:10.1115/1.1467635.

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Numerical Techniques for Computing Rotordynamic Properties of Mechanical Gas Face Seals

References

Figures

Schematic of a noncontacting mechanical gas face seal

Mechanical face seal kinematic model

Direct axial step responses, k_{F_Z,Z}(t), for Seal Type I

(a) Direct tilt step responses, k_{M_X,γ_X}(t) and k_{M_Y,γ_Y}(t), for Seal Type I; and (b) cross-coupled tilt step responses, k_{M_Y,γ_X}(t) and −k_{M_X,γ_Y}(t), for Seal Type I

Direct axial frequency responses, G_{F_Z,Z}, for Seal Type I

(a) Direct tilt frequency responses, G_{M_X,γ_X} and G_{M_Y,γ_Y}, for Seal Type I; and (b) cross-coupled tilt frequency responses, G_{M_Y,γ_X} and −G_{M_X,γ_Y}, for Seal Type I

Comparison of storage Moduli for the direct axial frequency responses, G_{F_Z,Z}, for Seal Type II

Comparison of loss Moduli for the direct axial frequency responses, G_{F_Z,Z}, for Seal Type II

Tables

Errata

Related Content

Journals

Conference Proceedings

eBooks

Numerical Techniques for Computing Rotordynamic Properties of Mechanical Gas Face Seals

References

Figures

Schematic of a noncontacting mechanical gas face seal

Mechanical face seal kinematic model

Direct axial step responses, kFZ,Z(t), for Seal Type I

(a) Direct tilt step responses, kMX,γX(t) and kMY,γY(t), for Seal Type I; and (b) cross-coupled tilt step responses, kMY,γX(t) and −kMX,γY(t), for Seal Type I

Direct axial frequency responses, GFZ,Z, for Seal Type I

(a) Direct tilt frequency responses, GMX,γX and GMY,γY, for Seal Type I; and (b) cross-coupled tilt frequency responses, GMY,γX and −GMX,γY, for Seal Type I

Comparison of storage Moduli for the direct axial frequency responses, GFZ,Z, for Seal Type II

Comparison of loss Moduli for the direct axial frequency responses, GFZ,Z, for Seal Type II

Tables

Errata

Related Content

Journals

Conference Proceedings

eBooks

Direct axial step responses, k_{F_Z,Z}(t), for Seal Type I

(a) Direct tilt step responses, k_{M_X,γ_X}(t) and k_{M_Y,γ_Y}(t), for Seal Type I; and (b) cross-coupled tilt step responses, k_{M_Y,γ_X}(t) and −k_{M_X,γ_Y}(t), for Seal Type I

Direct axial frequency responses, G_{F_Z,Z}, for Seal Type I

(a) Direct tilt frequency responses, G_{M_X,γ_X} and G_{M_Y,γ_Y}, for Seal Type I; and (b) cross-coupled tilt frequency responses, G_{M_Y,γ_X} and −G_{M_X,γ_Y}, for Seal Type I

Comparison of storage Moduli for the direct axial frequency responses, G_{F_Z,Z}, for Seal Type II

Comparison of loss Moduli for the direct axial frequency responses, G_{F_Z,Z}, for Seal Type II