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Simulating the Vibration Environment for Locomotive-Based Friction Control Applications Systems

[+] Author Affiliations
Richard P. Reiff, James Robeda

Transportation Technology Center, Pueblo, CO

William C. Shust

Objective Engineers, Inc., Pueblo, CO

Paper No. IMECE2002-33254, pp. 171-180; 10 pages
doi:10.1115/IMECE2002-33254
From:
  • ASME 2002 International Mechanical Engineering Congress and Exposition
  • Rail Transportation
  • New Orleans, Louisiana, USA, November 17–22, 2002
  • Conference Sponsors: Rail Transportation Division
  • ISBN: 0-7918-3646-0 | eISBN: 0-7918-1691-5, 0-7918-1692-3, 0-7918-1693-1
  • Copyright © 2002 by ASME

abstract

Under the direction of the Association of American Railroads Vehicle/Track System Committee, a laboratory test qualification formula/specification for locomotive-based top-of-rail (TOR) friction modifier application system hardware has been developed. This document describes the development and demonstration process, including measurement of the vibration field environment and an initial test of one TOR component in a laboratory vibration and thermal test. Revenue service onboard locomotive vibration environment was measured continuously during two tests in late-2001 and early-2002. The first test measured responses in a train hauling auto parts while the second measured responses in a train hauling coal. Results of the first simulation suggest that many of the issues experienced from over the road field tests, such as clogging and variable output due to temperatures, were simulated and reproduced in the laboratory simulation.

Copyright © 2002 by ASME

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