Evaluate modifications to maintenance procedures to improve wheel rail interaction phase 3 7. Maintenance of the wheelrail interface sciencedirect. All logos and ed images on this site are the exclusive property of their respective owners. Rail wheel contact zone 1 sq cm exposed to dirt, high humidity, leaves, rain. Foster rail technologies with the assistance of and permission from sahha 2015 technical workshop, birchwood hotel 8 october, 2015. You can find the comparison in the pdf files i have added. Use features like bookmarks, note taking and highlighting while reading wheel rail interface handbook. Wheelrail interface handbook request pdf researchgate. Pdf vehicle dynamics and the wheelrail interface researchgate. Appendix a effect of wheelrail profiles and wheelrail interaction on system performance and maintenance in transit operations unfortunately, this book cant be printed from the openbook.
Jan 04, 2014 by bob tuzik july, 2007 youve heard it before, youll hear it again. The wheelrail interface is the contact area where wheelrail interaction between wheels and. State of the art roller rig for precise evaluation of wheel. By bob tuzik for three years running, new york city transit and the federal transit administration have kicked off the annual wheelrail interaction rail transit conference with discussion of the nyctfta research project to explore integrated wheelrail analytics on mtanycts no. When damage is contained by a better design of the wheelrail interface, maintenance can be better planned and can become preventive, thereby extending the life of the components of both vehicle and track. The good environmental properties of rail stem from the low coefficient of friction. The wheelrail interface is the contact area where wheelrail interaction between wheels and rails in railways takes place. Flange lubrication british standard this document is limited to specifying the requirements when applying lubricants to the wheel rail interface between the wheel flange and the rail gauge corner active interface either directly or indirectly to the wheel flange or to the rail, and includes both trainborne and. A unique suite of data acquisition equipment was employed. If you need to print pages from this book, we recommend downloading it as a pdf. The cracking initiation and crack propagation processes that occur in rails as a result of contact between wheels and rails are described. Request pdf wheelrail interface handbook many of the engineering problems of particular importance to railways arise at interfaces and the safetycritical.
Understanding the wheelrail interface part one the. Delegates to the th annual wheelrail interaction seminar presented by interface journaland advanced rail management heard it time and again over the course of the seminar. The wheel rail interface and key terminology the contact patch and contact pressures creepage, friction and traction forces wheelsetgeometry and effective conicity vehicle steering and curving forces rail and wheel wear. No part of this site may be reproduced or used without prior written permission from wheel rail seminars. Develop a unified plan for lubricationfriction modification of the wheel rail interface 6. No such compromise can be reached without sustaining a sensible dialogue across the wheelrail interface. Wheel rail profiles and vehicle steering behavior are such that the curve can be considered mild the contact area at each wheel tread low rail interface is approximately circular, with a typical radius of 7mm. Less likely, the inner wheel tries to make the outer wheel turn slower, success resulting in negative scuff on the high rail. Load quantification of the wheelrail interface of rail vehicles for the infrastructure of light rail, heavy rail, and commuter rail transit full text pdf abstract the type and magtude of loads that pass through the track superstructure have a great impact on both the design and the performance of the concrete crossties and fastening systems. Vertical integration literally across the wheelrail interface is perhaps more critical than geographical boundaries. Jun 06, 2015 this feature is not available right now. Wheelrail interaction archives page 3 of 4 interface journal.
An adhesion railway relies on adhesion traction to move the train. Interface journal the journal of wheelrail interaction. Causes of rail cant and controlling cant through wheelrail interface management brad kerchof norfolk southern railway, roanoke, va dr. Vehicle dynamics and the wheelrail interface by jerry evans, aea technology rail simon iwnicki, manchester metropolitan university mmu from. Part one provides the fundamentals of contact mechanics, wear, fatigue and lubrication as well as stateoftheart research and emerging technologies related to the wheel rail interface and its management. Pdf wheelrail contact modelling and analysis, considering. Wheelrail interface handbook free download as pdf file. Halifax and calder valley rail views and campaigners. In the uk, the hatfield derailment in 2000 was caused by gauge corner cracking, which is a form of rolling contact fatigue. Ab this article describes the wheelrail interaction 07 seminar held in chicago, and discusses various ways in which safety, fuel efficiency and service life can be improved by focusing on the dimesized area where a trains wheel meets the rail. Read chapter appendix a effect of wheelrail profiles and wheelrail interaction on system performance and maintenance in transit operations. Abnormal wheel motion patterns can be caused because of poor rail profile or poor track geometry leading to damage to both wheels as well as the rails. Kevin oldknow chief engineer, wheel rail interface l. View question what is the structure of the contact search method named equivalent elastic contact search used in wheel rail module of.
Recommend modifications to wheel maintenance procedures 9. Download it once and read it on your kindle device, pc, phones or tablets. Wheels on rails an update, understanding and managing the wheelrail interface imeche seminar, london, april 2002 2002 the institution of mechanical engineers 1. Pdf presented at wheels on rails an update, seminar of the institution of mechanical engineers, london, april 2002.
Wheel rail interface handbook pdf free download epdf. Vt roller rig will allow for closely replicating the boundary conditions of railroad wheel rail contact via actively controlling all the wheel rail interface degrees of freedom. Analyzing the dynamics of high speed rail 10th hydrail conference 22 june 2015 george list, nc state. Archived from the original pdf on february 1, 2014. Railwheel systems cm2003 in gothenburg, sweden june 10, 2003 submitted to wear journal june 2003 optimal design of wheel profile for railway vehicles i. Esveld section of road and railway engineering faculty of civil engineering and geosciences, delft university of technology stevinweg 1, nl2628, cn delft. Network rails high marnham test track have been awarded a. Olofssoncrc press boca raton boston new york washington, dc. Wheel rail interface handbook kindle edition by lewis, r. Fundamentals of wheelrail interaction michael roney consultant and retired chief engineer, canadian pacific dr.
The greater the variation in horizontal movement, the greater the risk of corrugation. Rail wheel interaction indian railways institute of. Appendix a effect of wheelrail profiles and wheelrail. How is the noise captured in these two sound files generated at the wheelrail interface.
Causes of rail cant and controlling cant through wheel. This interaction is a specialist subject covering the design and management of the very high stresses in the small contact area between a steel wheel and steel rail. Load quantification of the wheelrail interface of rail. Request pdf wheelrail interface handbook many of the engineering problems of particular importance to railways arise at interfaces and the safety critical. This article describes the wheelrail interface management wrim model being. Rail wheel interface analysis rail vision europe ltd. Integrated wheelrail characterization through advanced. The michigan mines ship their product by rail to either escanaba, mi or marquette, mi. Wheelrail interface handbook is a onestop reference for railway engineering practitioners and academic researchers. Avoidance of rail replacement by means of depositrepair welding procedures. Huimin wu transportation test center, inc, pueblo, co number of words. Testing was done, using class 387 rolling stock provided by gwr, at the rail innovation and development centre melton to determine the optimum arrangements.
Causes of rail cant and controlling cant through wheelrail. Rail wheel interface systems focus on understanding the dynamic interaction between the rail wheel and the rail while the vehicle is in motion. Wheel rail interface monash institute of railway technology. Adhesion traction is the friction between the drive wheels and the steel rail. Considerable benefits can be gained through appropriate wheel rail interface management, including reduced defect rates, improved safety, extended wheel and rail life, improved vehicletrack interaction, reduced wheel rail noise and the development of suitable standards and maintenance procedures. Overhead wire catenary measurement system noncontact, timeofflight laser sensors measure the wire position and stagger with respect to the running rails. Wheelrail contact modelling and analysis, considering profiles types and lateral displacement. Nov 17, 2016 introduction to light rail wheel rail interface pwi technical meeting john paff, lead track engineer 17 november 2016. The term adhesion railway is only used when there is need to distinguish adhesion railways from railways moved by other means, e. Implementing optimized wheel and rail profiles on the. This report documents a multiyear, multimember collaborative research effort to demonstrate machinevision enabled wheel rail characterization, monitoring and analytics. Rail wheel systems cm2003 in gothenburg, sweden june 10, 2003 submitted to wear journal june 2003 optimal design of wheel profile for railway vehicles i.
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