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Local control of noise and vibration with KELTRACKTM friction modifier and Protector® trackside application: an integrated solution by D.T. Eadie; M. Santoro; W. Powell is a Engineering article available to read on EtoBox.
What is Local control of noise and vibration with KELTRACKTM friction modifier and Protector® trackside application: an integrated solution about?
Wheel squeal is a source of continuing concern for many railroads and transits, as well as for their neighbours. The underlying mechanism for squeal noise has been well understood in the literature for some time. However an integrated abatement method addressing the underlying cause of the problem has not previously been reported. This paper describes practical experience using a water-based liquid Friction Modifier (KELTRACKt) applied using a top of rail trackside applicator (Portec Protector s ). The Friction Modifier and delivery equipment have been co-developed to provide an optimized product/delivery system that gives significant reduction of wheel squeal in curves. Wheels experiencing lateral creep in curves are subject to roll-slip oscillations as a result of the frictional characteristics of the interface layer between the wheel and rail. These roll-slip oscillations are amplified in the wheel web leading to the familiar squeal. Providing a thin film of material between the wheel and rail with positive friction characteristics can both in theory and practice greatly reduce the magnitude of these oscillations. The controlled intermediate friction characteristics of KELTRACKt
Who reads Local control of noise and vibration with KELTRACKTM friction modifier and Protector® trackside application: an integrated solution?
It is typically read by researchers, students, and practitioners in Engineering.
- Author
- D.T. Eadie; M. Santoro; W. Powell
- Publisher
- Elsevier Science; Elsevier ; Elsevier Inc.; Elsevier BV (ISSN 0022-460X)
- Published
- 2003
- Language
- EN
- Field
- Engineering (Physical Sciences)