Measurements versus predictions for the dynamic impedance of annular gas seals - Part I: Test facility and apparatus

Journal of Engineering for Gas Turbines and Power

Volumn 124, Issue 4, 2002, Pages 958-962

  Dawson, M P ^a   Childs, D W ^b   Holt, C G ^b   Phillips, S G ^b  

^a PRATT AND WHITNEY   (United States)

^b Texas A and M University   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

HYDRAULIC EQUIPMENT; LEAKAGE (FLUID); PRESSURE DROP; STATORS; WAVEFORM ANALYSIS;

DYNAMIC IMPEDANCE;

SEALS;

DYNAMICS; MEASUREMENT METHOD; PREDICTION; SEAL; TESTING;

EID: 0036826112     PISSN: 07424795     EISSN: None     Source Type: Journal    
DOI: 10.1115/1.1478075     Document Type: Article

References (12)

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2. Gelin A., Pugnet, J., Bolusset, D., and Freiz, P., 1996. "Experience in Full Load Testing Natural Gas Compressors for Rotordynamic Improvements." ASME Paper No. 96-GT-378.
3. Childs. D., and Moyer, D., 1985. "Vibration Characteristics of the HPOTP (High-Pressure Oxygen Turbopump) of the SSME (Space Shuttle Main Engine)," ASME J. Eng. Gas Turbines Power. 107, pp. 152-159.
4. Armstrong, J., and Perricone, F., 1996, "Turbine Instability Solution-Honeycomb Seals," Proceedings of the 25th Turbomachinery Symposium. Turbomachinery Laboratory, Texas A&M University, pp. 47-56.
5. Nelson, C., 1984, "Analysis for Leakage and Rotordynamic Coefficients of Surface-Roughened Tapered Annular Gas Seals," ASME J. Eng. Gas Turbines Power, 106, pp. 927-934.
6. Elrod, D., Childs, D., and Nelson, C., 1990, "An Annular Gas Seal Analysis Using Empirical Entrance and Exit Region Friction Factors," ASME J. Tribol., 112, pp. 254-258.
7. Ha, T., and Childs, D., 1994, "Annular Honeycomb-Stator Turbulent Gas Seal Analysis Using New Friction-Factor Model Based on Flat Plate Tests," ASME J. Tribol., 116, pp. 352-360.
8. Kleynhans, G., and Childs, D., 1997, "The Acoustic Influence of Cell Depth on the Rotordynamic Characteristics of Smooth-Rotor/Honeycomb-Stator Annular Gas Seals," ASME J. Eng. Gas Turbines Power, 119, pp. 949-957.
9. 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 J. Tribol., 108, pp. 426-432.
10. Childs, D., and Hale, K., 1994, "A Test Apparatus and Facility to Identify the Rotordynamics Coefficients of High-Speed Hydrostatic Bearings." ASME J. Tribol., 116, pp. 337-344.
11. Mitchell, L., and Elliott, K., 1984, "How to Design Stingers for Vibration Testing of Structures," Sound Vib., Apr, pp. 14-18.
12. Kurtin, K. A., Childs, D. W., San Andrés, L. A., and Hale, R. K., 1993. "Experimental Versus Theoretical Characteristics of a High-Speed Hybrid (Combination Hydrostatic and Hydrodynamic) Bearing," ASME J. Tribol., 115, pp. 160-169.