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Paul Mittermayr

Identifying Causes of Out-of-Round Wheels: Measuring Field Experience Against Simulations

January 4, 2014 | Filed under: Wheel Maintenance

By Bernhard Barkow and Paul Mittermayr • October, 2008 The interface between the wheel and rail represents the central link in railway dynamics. Imperfections, such as out-of-round wheels, have a significant effect on vehicle and track maintenance costs, and on safety and passenger comfort, as well (1). Much research has been …

Wheel Re-Profiling and Rail Grinding Strategies on Wiener Linien (Part 2 of 2)

January 4, 2014 | Filed under: Rail Grinding, Wheel Maintenance

By Edgar Fischmeister, Markus Ossberger, Roman Pongracz and Paul Mittermayr • January, 2008 Part 1 of this article can be seen here. Rail Grinding Traditionally, the rail head at Wiener Linien was ground as a five-sided polygon (see Figure 1). This approach has some negative impact on wheel wear, especially in …

Wheel Re-Profiling and Rail Grinding Strategies on Wiener Linien (Part 1 of 2)

January 4, 2014 | Filed under: Rail Grinding, Wheel Maintenance

By Edgar Fischmeister, Markus Ossberger, Roman Pongracz and Paul Mittermayr • October, 2007 Rail grinding and wheel re-profiling are essential elements of track and vehicle maintenance. These maintenance procedures have been shown to play a major role in the removal of surface defects or irregularities, and in controlling the shape and surface …

Profile Optimization in the Urban Rail Context

January 4, 2014 | Filed under: Measurement Systems, Rail Transit, Wheel/Rail Profile

By Edgar Fischmeister, Markus Ossberger, Roman Pongracz and Paul Mittermayr • April, 2007 Measurement is an essential aspect of optimizing wheel/rail interaction on urban transit systems. After extensive research and development work, Wiener Linien, the Vienna (Austria) Urban Transit System, implemented an integrated wheel/rail measurement system that enabled the railway to closely monitor …

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  • Wheel Re-Profiling and Rail Grinding Strategies on Wiener Linien (Part 1 of 2)
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  • Wheel Re-Profiling and Rail Grinding Strategies on Wiener Linien (Part 2 of 2)
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  • Managing Wheel/Rail Interaction on Rail Transit Systems
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  • Wheel/Rail Profile Optimization on Wiener Linien’s Vienna Underground line U6
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