United States Department of Transportation
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USDOE Top-of-Rail Lubricant Project
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2000-02-01
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[PDF-350.43 KB]
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Abstract:This report presents the findings of the U.S. Department of Energy's Top-of-Rail (TOR) lubricant project, conducted by Argonne National Laboratory. It explores the development, application, and performance evaluation of lubricants designed to reduce friction and wear at the wheel/rail interface. Utilizing the LA 4000 wheel and rail simulator, the study investigates the effects of various parameters—including angle of attack, axle load, and lubricant volume—on lubricant consumption and friction reduction. Analytical techniques, including volatile and semi-volatile compound analysis, were employed to assess lubricant stability and environmental impact. Results demonstrate that the application of TOR lubricants can decrease lateral friction forces by approximately 60%, offering significant potential for energy savings and wear mitigation. The findings support the development of optimized lubrication strategies that improve operational efficiency, reduce maintenance costs, and minimize environmental impact in rail transportation.
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