The acoustic influence of cell depth on the rotordynamic characteristics of smooth-rotor/honeycomb-stator annular gas seals

Journal of Engineering for Gas Turbines and Power

Volumn 119, Issue 4, 1997, Pages 949-955

  Childs, D W ^a  

^a Department of Electrical and Computer Engineering   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0001098965     PISSN: 07424795     EISSN: 15288919     Source Type: Journal    
DOI: 10.1115/1.2817079     Document Type: Article

References (20)

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2. Childs, D., Nelson, C., Nicks, C., Scharrer, J., Elrod, D., and Hale, K., 1986, “Theory Versus Experiment for the Rotordynamic Coefficients of Annular Gas Seals: Part I-Test Facility and Apparatus,” ASME Journal of Tribology, Vol. 108, pp. 426-432.
3. Childs, D., 1993, Turbomachinery Rotordynamics: Phenomena, Modeling, and Analysis, Wiley, New York, NY, pp. 243-248.
4. Childs, D., and Hale, K., 1994, “A Test Apparatus and Facility to Identify the Rotordynamic Coefficients of High-Speed Hydrostatic Bearings,” ASME Journal of Tribology, Vol. 116, pp. 337-344.
5. Elrod, D., Nelson, C., and Childs, D., 1989, “An Entrance Region Friction Factor Model Applied to Annular Seals Analysis: Theory vs. Experiment for Smooth and Honeycomb Seals,” ASME Journal of Tribology, Vol. 111, pp. 337-343.
6. Elrod, D., Childs, D., and Nelson, C., 1990, “An Annular Gas Seal Analysis Using Empirical Entrance and Exit Region Friction Factors,” ASME Journal of Tribology, Vol. 112, pp. 254-258.
7. Ha, T. W., Morrison, G. L., and Childs, D., 1992, “Friction-Factor Characteristics for Narrow-Channels With Honeycomb Surfaces,” ASME Journal of Tribology, Vol. 114, pp. 714-721.
8. Ha, T., and Childs, D., 1994, “Annular Honeycomb-Stator Turbulent Gas Seal Analysis Using New Friction-Factor Model Based on Flat Plate Tests,” ASME Journal of Tribology, Vol. 116, pp. 352-360.
9. Hirs, G., 1973, “A Bulk-Flow Theory for Turbulence in Lubricating Films,” ASME Journal of Lubrication Technology, Vol. 95, pp. 137-146.
10. Lindsey, W. T., and Childs, D. W., 1995, “The Effects of Converging and Diverging Axial Taper on the Rotordynamic Coefficients of Liquid Annular Pressure Seals: Theory Versus Experiment,” presented at the 1995 ASME Vibration Conference, Boston, MA, Sept.
11. Melsa, J., and Shultz, D., 1969, Linear Control Systems, McGraw-Hill, New York.
12. Nelson, C., 1984, “Analysis for Leakage and Rotordynamic Coefficients of Surface-Roughened Tapered Annular Gas Seals,” ASME Journal of Engineering for Gas Turbines and Power, Vol. 106, pp. 927-934.
13. Nelson, C., 1985, “Rotordynamic Coefficients for Compressible Flow in Tapered Annular Seals,” ASME Journal of Tribology, Vol. 107, pp. 318-325.
14. Palazzolo, A. B., Tang, P., Brown, G., DiRusso, E., and Kascak, A., 1993, “An Electromechanical Simulation Method for Active Vibration Control of a Magnetic Bearing Supported Rotor,” ASME Paper No. 93-GT-382.
15. Pelletti, J., and Childs, D., 1991, “A Comparison of Experimental Results and Theoretical Predictions for the Rotordynamic Coefficients of Short (LID =1/6) Labyrinth Seals,” Proc. 1991 ASME Design Technical Conference, ASME DE-Vol-35, pp. 69-76.
16. Potter, M., and Foss, J., 1982, Fluid Mechanics, Great Lakes Press, Inc., Okemos, MI, pp, 477-481.
17. Scharrer, J., 1989, discussion of the paper, “Annular Honeycomb Seals: Test Results for Leakage and Rotordynamic Coefficients; Comparisons to Labyrinth and Smooth Configurations,” by Childs et al., ASME Journal of Tribology, Vol. III, pp. 293-301.
18. Sorokes, J., Kuzdzal, M., Sandberg, M., and Colby, G., 1994, “Recent Experiences in Full Load Full Pressure Shop Testing of a High Pressure Gas Injection Centrifugal Compressor,” Proc. Twenty-Third Turbomachinery Symposium, The Turbomachinery Laboratory, Texas A&M University, College Station, TX, pp. 3-17.
19. Thompson, P., 1988, Compressible-Fluid Dynamics, pp. 155-234.
20. Zeidan, F., Perez, R., and Stephenson, E., 1993, “The Use of Honeycomb Seals in Stabilizing Two Centrifugal Compressors,” Proc. Twenty-Second Turbomachinery Symposium, The Turbomachinery Laboratory, Texas A&M University System, College Station, TX, pp. 3-15.