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The Modification of a Slip Resistance Meter for Measurement of Railhead Adhesion
Department of Mechanical Engineering, University of Sheffield.
Department of Mechanical Engineering, University of Sheffield.
KTH, School of Industrial Engineering and Management (ITM), Machine Design (Dept.), Tribologi. KTH, School of Engineering Sciences (SCI), Centres, The KTH Railway Group.
KTH, School of Industrial Engineering and Management (ITM), Machine Design (Dept.), Machine Elements. KTH, School of Industrial Engineering and Management (ITM), Machine Design (Dept.), Tribologi.
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2013 (English)In: Proceedings of the Institution of mechanical engineers. Part F, journal of rail and rapid transit, ISSN 0954-4097, E-ISSN 2041-3017, Vol. 227, no F2, 196-200 p.Article in journal (Refereed) Published
Abstract [en]

The aim of this work was to find a quick, flexible and localised method for determining railhead adhesion. The proposed method is a pendulum rig, which has a rubber pad at the base of a swinging arm. The arm is released and as the rubber pad slides across the contact surface, energy is lost. This loss can be translated into a friction coefficient. Tests have been performed under dry and contaminated conditions, including water, oil and leaf layers both in the laboratory on extracted rail and in the field on live rail. Friction modifiers were also tested. The results of these tests are compared with data obtained using a hand-pushed tribometer. The performed study shows that the pendulum is a viable way to test adhesion levels in the field.

Place, publisher, year, edition, pages
Sage Publications, 2013. Vol. 227, no F2, 196-200 p.
Keyword [en]
Friction measurement, railhead, pendulum, tribometer
National Category
Tribology (Interacting Surfaces including Friction, Lubrication and Wear) Applied Mechanics
Research subject
The KTH Railway Group - Tribology
Identifiers
URN: urn:nbn:se:kth:diva-65779DOI: 10.1177/0954409712455147ISI: 000317295700008Scopus ID: 2-s2.0-84880198416OAI: oai:DiVA.org:kth-65779DiVA: diva2:483695
Note

QC 20130514

Available from: 2012-01-25 Created: 2012-01-25 Last updated: 2018-01-12Bibliographically approved

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Olofsson, Ulf

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Proceedings of the Institution of mechanical engineers. Part F, journal of rail and rapid transit
Tribology (Interacting Surfaces including Friction, Lubrication and Wear)Applied Mechanics

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