A New Friction Factor Model and Entrance Loss Coefficient for Honeycomb Annular Gas Seals

[+] Author and Article Information
Amro M. Al-Qutub

Department of Mechanical Engineering, King Fahd University of Petroleum and Minerals, Dhahran, Saudi Arabia

D. Elrod, Hugh W. Coleman

Propulsion Research Center, Department of Mechanical and Aerospace Engineering, University of Alabama in Huntsville, Huntsville, AL 35807

J. Tribol 122(3), 622-627 (Jul 15, 1999) (6 pages) doi:10.1115/1.555411 History: Received March 04, 1999; Revised July 15, 1999
Copyright © 2000 by ASME
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Isometric view of the honeycomb seal
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Static seal test section
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Mach number curve fit for S23 at Re=24,700
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The smooth surface friction factor model
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Clearance effect on the honeycomb surface friction factor, L=30 mm, Re=17,100
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The honeycomb surface friction factor results normalized by the new model, Eq. (11)




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