Wheel and horizontal restraining rail geometry
Modelling the Dynamic Behaviour of the Wheel Rail Interface by Using a Novel 3D Wheel Rail Contact Model
... of rail-wheel interface including precise values for wheel-rail contact ...3-D wheel-rail contact model which is used for dynamic simulation of a suspended wheelset with ...
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Wheel-Rail Profile Condition Monitoring
... the geometry estimation problem; the method of data re-ordering to perform discrete range estimations; and the basic block algorithm of how these concepts are assimi- lated to produce an estimation of the ...
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Wheel-Rail Profile Condition Monitoring
... of wheel-rail profile estima- tion; development of simulation models that include gauge width variation with the use of disturbance signals more representative of the frequency content of real track geom- ...
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Wheel-rail profile condition monitoring
... of wheel-rail profile estima- tion; development of simulation models that include gauge width variation with the use of disturbance signals more representative of the frequency content of real track geom- ...
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Twin disc assessment of wheel/rail adhesion
... or geometry of the actual contact, provides a good simulation of the rolling-sliding motion and allows close control of operating parameters not available in more complex test ...
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Creep force estimation at the wheel-rail interface
... of wheel tread wear; estimation of track damage caused by specific vehicles; and potentially as a cost effective method of assessing engineering design changes to wheel tread ...
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Measuring wheel/rail contact stresses using ultrasound
... 2. Wheel/Rail Contact Loading and Geometry Figure 7a shows the single contact from the worn specimens, with Figure 7b showing the twin contact also ...the rail specimen was moved toward the ...
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Wheel/Rail Contact Isolation Due to Track Contamination
... size wheel/rail ...the geometry and feed method will tend to entrain more sand particles into the contact and the electrical circuitry with its high sampling rate and relatively ...
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Dynamics Analysis of Wheel Rail Contact Using FEA
... Contact Geometry The wheelset and track gauges are shown schematically in Fig ...the rail profile located inside the track at a distance of 14 mm from the common tangent to the profiles of both ...The ...
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Design and optimisation of wheel-rail profiles for adhesion improvement
... the wheel–rail interface as ...contact geometry and contact mechanics at the wheel–rail interface may also lead to changes in the vehicle dynamic ...
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Design and optimisation of wheel rail profiles for adhesion improvement
... the wheel–rail interface as ...contact geometry and contact mechanics at the wheel–rail interface may also lead to changes in the vehicle dynamic ...
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Design and optimisation of wheel rail profiles for adhesion improvement
... For Peer Review Only reproducing degraded adhesion conditions in vehicle dynamics by considering some of the main phenomena behind the degraded adhesion, namely the large sliding at the contact interface, the high energy ...
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Frictional contact FE analysis in a railway wheel-rail contact
... the wheel-rail contact with a 3D FE model, for a simplified ...simplified geometry provides reli- able solution of frictional rolling contact, in statics and dynam- ics, in elasticity and ...
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Repoint track switch wheel-rail mechanical interface analysis
... interlocking rail ends. On the rail ends, the chamfer in the horizontal plane locates the rails laterally, meaning the moveable rails require lifting to disengage this chamfer before they can be ...
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Visual Measurement System for Wheel Rail Lateral Position Evaluation
... of rail- way TG in various operational ...relative wheel–rail motion in the lateral direction, which occurs on account of the peculiar geometry of wheel–rail con- tact ...left ...
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Longitudinal rail weld geometry control and assessment criteria
... existing rail welding processes require finish grinding, which may introduce a localised short-wave irregularity, usually over one metre or ...rolled rail. This imperfect geometry may, in some cases, ...
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The Impact of Structural Deformations of Wheelset and Rail on Wheel-Rail Contact
... The distribution of the density of the frictional power, which is important for the wear, is also affected distinctly. In the case of hunting, the structural dynamics have a no- ticeable impact on the running behaviour ...
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THE PROBLEM OF "WHEEL-RAIL". THE QUALITY OF INTERACTION
... Несоответствие параметров взаимодействия пути и подвижного состава на сети дорог РФ и стран СНГ привело к резкому увеличению количества дефектов в рельсах , интенсивному износу рельсов [r] ...
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Design & Analysis of Rail Wheel Failure
... of wheel/rail contact ...namely wheel diameter, vertical loads, material hardness, fatigue strength and material ductility, on the fatigue damage in railroad wheels is studied using the proposed ...
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The Effect of Profiles on Wheel and Rail Damage
... the wheel of railway vehicles is a typical engineering compromise and has challenged railway engineers since the time of George ...conical wheel profile would give better vehicle performance but could also ...
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