Near-Contact Laser Surface Textured Dry Gas Seals-Reference-Cited by-同舟云学术

Near-Contact Laser Surface Textured Dry Gas Seals

Published:2004-10-01 Issue:4 Volume:126 Page:788-794
ISSN:0742-4787
Container-title:Journal of Tribology
language:en
Short-container-title:

Author:

McNickle A. D.¹,Etsion I.²

Affiliation:

1. Stein Seal Company, Kulpsville, PA

2. Department of Mechanical Engineering, Technion, Haifa 32000, Israel

Abstract

A new concept of a near-contact gas seal is experimentally investigated. A simulated gas face seal for a high-speed gas turbine engine is used for the investigation. A baseline conventional contacting-type seal is compared with an identical seal that was laser surface textured (LST) to turn it into a near-contact gas seal. Results show the potential benefits of the new concept in terms of smoother running, lower friction torque, and lower face temperature at 12,000 RPM over a range of face loading.

Publisher

ASME International

Subject

Surfaces, Coatings and Films,Surfaces and Interfaces,Mechanical Engineering,Mechanics of Materials

Link

http://asmedigitalcollection.asme.org/tribology/article-pdf/126/4/788/5509082/788_1.pdf

Reference8 articles.

1. Ludwig, L. P., and Bill, R. C., 1980, “Gas Path Sealing in Turbine Engines,” ASLE Trans., 23, pp. 1–22.

2. Cheng, H. S., Castelli, V., and Chow, C. Y., 1969, “Performance Characteristics of Spiral Groove and Shrouded Rayleigh Step Profiles for High Speed Noncontacting Gas Seals,” ASME J. Lubr. Technol., 91, pp. 60–68.

3. Miller, B. A., and Green, I., 2003, “Semi-analytical Dynamic Analysis of Spiral-Grooved Mechanical Gas Face Seals,” ASME J. Tribol., 125, pp. 404–413.

4. Ruan, B. , 2002, “A Semi-analytical Solution to the Dynamic Tracking of Non-Contacting Gas Face Seals,” ASME J. Tribol., 124, pp. 196–202.

5. Green, I., and Barnsby, M. R., 2002, “A Parametric Analysis of the Transient Forced Response of Noncontacting Gas Coned Face Seals,” ASME J. Tribol., 124, pp. 151–157.

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