TECHNICAL PAPERS: Gas Turbines: Structures and Dynamics

Hybrid Brush Pocket Damper Seals for Turbomachinery

[+] Author and Article Information
Hector E. Laos, John M. Vance, Steven E. Buchanan

Department of Mechanical Engineering, Texas A&M University, College Station, Texas 77843-3123

J. Eng. Gas Turbines Power 122(2), 330-336 (Jan 03, 2000) (7 pages) doi:10.1115/1.483211 History: Received March 09, 1999; Revised January 03, 2000
Copyright © 2000 by ASME
Your Session has timed out. Please sign back in to continue.



Grahic Jump Location
Measured unbalance response with no seal, labyrinth seal, and a pocket damper seal (TAMSEAL™) 17
Grahic Jump Location
The brush hybrid pocket damper seal with optional bypass flow paths
Grahic Jump Location
Computed damping coefficient versus leakage for the brush pocket hybrid (two-bladed) and the original pocket damper seal (6 blades) (inlet pressure of 6.4 bar (80 psig))
Grahic Jump Location
Cross section of the test apparatus
Grahic Jump Location
Side view of the test apparatus
Grahic Jump Location
Shaker supported on bungee cords
Grahic Jump Location
Two-bladed pocket damper seal assembly without brush elements
Grahic Jump Location
Typical coherence for the transfer function measurements
Grahic Jump Location
Transfer function a/F for the brush hybrid pocket damper seal at various pressures
Grahic Jump Location
Phase plots associated with Fig. 9
Grahic Jump Location
Predicted damping coefficients for the hybrid brush (BHS) and labyrinth seal
Grahic Jump Location
Measured damping for the labyrinth seal, the brush element only, and the BHS with open and closed bypass
Grahic Jump Location
Measured mass flow through the seals




Some tools below are only available to our subscribers or users with an online account.

Related Content

Customize your page view by dragging and repositioning the boxes below.

Related Journal Articles
Related eBook Content
Topic Collections

Sorry! You do not have access to this content. For assistance or to subscribe, please contact us:

  • TELEPHONE: 1-800-843-2763 (Toll-free in the USA)
  • EMAIL: asmedigitalcollection@asme.org
Sign In