Measurements versus predictions for the dynamic impedance of annular gas seals - Part II: Smooth and honeycomb geometries

Journal of Engineering for Gas Turbines and Power

Volumn 124, Issue 4, 2002, Pages 963-970

  Dawson, M P ^a   Childs, D W ^b  

^a PRATT AND WHITNEY   (United States)

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

Author keywords

[No Author keywords available]

Indexed keywords

ELECTRIC IMPEDANCE; HONEYCOMB STRUCTURES; PRESSURE EFFECTS;

GAS SEALS;

GAS TURBINES;

DYNAMICS; GEOMETRICAL EFFECT; MATHEMATICAL ANALYSIS; MEASUREMENT METHOD; SEAL;

EID: 0036826061     PISSN: 07424795     EISSN: None     Source Type: Journal    
DOI: 10.1115/1.1478076     Document Type: Article

References (7)

1. 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.
2. 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, 19, pp. 949-957.
3. Benckert, H., and Wachter, J., "Flow Induced Spring Coefficients of Labyrinth Seals for Application in Rotor Dynamics," Rotordynamic Instability Problems in High-Performance Turbomachinery. Proceedings of a workshop held at Texas A&M University, May 12-14, NASA cp 2133, pp. 189-212.
4. 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 1-Test Facility and Apparatus," ASME J. Tribol., 108, pp. 426-432.
5. Kleynhans, G., 1996, "A Two-Control-Volume Bulk-Flow Rotordynamic Analysis for Smooth-Rotor/Honeycomb-Stator Gas Annular Seals," dissertation, Mechanical Engineering, Texas A&M University, pp. 55-57.
6. Yamada, Y., 1962, "Resistance of Flow Through an Annulus With an Inner Rotating Cylinder," Bull. JSME, 5(1), pp. 302-310.
7. Ha, T., Morrison, G., and Childs, D., 1992, "Friction-Factor Characteristics for Narrow Channels With Honeycomb Surfaces," ASME J. Tribol., 114, pp. 714-721.