PRELIMINARY ANALYSIS OF THE EFFECTS OF NON-LINEAR CREEP AND FLANGE CONTACT FORCES ON TRUCK PERFORMANCE IN CURVES

Prediction of wheel displacements and wheel-rail forces is a prerequisite to the evaluation of the curving performance of rail vehicles. This information provides part of the basis for the rational design of wheels and suspension components, for establishing criteria for maintenance of track and wheels, for use as a guideline for safety standards, and for understanding the mechanism of noise generation and wheel-climbing. The analysis presented here extends the results from linear steady-curving appropriate to flangeless guidance, and provides a foundation for the examination of the details of forces and displacements under more severe conditions necessary to the understanding, prevention, and suppression of undesirable effects.

• Record URL:
  https://www.fra.dot.gov/Elib/Document/4043
• Corporate Authors:

  Transportation Systems Center

  55 Broadway, Kendall Square
  Cambridge, MA  United States  02142

  Federal Railroad Administration

  1200 New Jersey Avenue, SE
  Washington, DC  United States  20590
• Authors:
  • Perlman, A B
  • Weinstock, H
• Publication Date: 1975-5

Media Info

• Pagination: 42 p.

Subject/Index Terms

• TRT Terms: Car wheels (Railroads); Creep properties; Curvature; Derailments; Dynamics; Equations of motion; Flanges; Force; Mathematical models; Noise; Rail (Railroads); Railroad tracks; Railroads; Rapid transit; Steering; Train track dynamics; Undercarriages; Wheels
• Old TRIS Terms: Curved profiles; Rapid transit railways; Wheel flange forces
• Subject Areas: Environment; Public Transportation; Railroads; Vehicles and Equipment;

Filing Info

• Accession Number: 00150482
• Record Type: Publication
• Source Agency: National Technical Information Service
• Report/Paper Numbers: DOT-TSC-FRA-75-5 Intrm Rpt., FRA/ORD-75/56
• Files: NTIS, TRIS, USDOT
• Created Date: Mar 15 1981 12:00AM