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wheel rail contact

Multiple model based real time estimation of wheel rail contact conditions

Multiple model based real time estimation of wheel rail contact conditions

... Multiple Model Based Identification of the Wheel-Rail Contact Condition for Traction and Braking Control I Hussain 1 , TX Mei2 and Mohammad Mirzapur 3 School of Computing, Science and En[r] ...

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Modelling the Dynamic Behaviour of the Wheel Rail Interface by Using a Novel 3D Wheel Rail Contact Model

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 ...

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Wheel/Rail Contact Isolation Due to Track Contamination

Wheel/Rail Contact Isolation Due to Track Contamination

... the wheel/rail contact ...the wheel/rail contact in this manner could isolate the wheel from the track inhibiting the detection of a ...

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Wheel–rail contact: experimental study of the creep forces–creepage relationships

Wheel–rail contact: experimental study of the creep forces–creepage relationships

... The wheel-rail contact problem plays an important role in the simulation methods used to solve railway dynamics ...the wheel-rail contact ...the wheel-rail ...

9

The Low Adhesion Problem due to Leaf Contamination in the Wheel/Rail Contact: Bonding and Low Adhesion Mechanisms

The Low Adhesion Problem due to Leaf Contamination in the Wheel/Rail Contact: Bonding and Low Adhesion Mechanisms

... the rail and that ...the wheel and rail is very ...the wheel and rail is likely to ...the wheel/rail contact as discussed in Olofsson et ...the rail head. ...

34

Experimental characterization of wheel-rail contact patch evolution

Experimental characterization of wheel-rail contact patch evolution

... of contact pressures in the wheel/rail interface is essential information required in both fatigue and wear calcula- tions for wheels and ...machined wheel and rail surfaces are ...the ...

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Analytical Approach to Vibration Analysis Of the Wheel-rail contact

Analytical Approach to Vibration Analysis Of the Wheel-rail contact

... the wheel/rail contact ...the rail-wheel ...the contact area for wheel and rail is much smaller than the dimensions and the radii of curvature of the bodies in ...

10

The Influence of Wheel/Rail Contact Conditions on the Microstructure and Hardness of Railway Wheels

The Influence of Wheel/Rail Contact Conditions on the Microstructure and Hardness of Railway Wheels

... rolling contact fatigue damage is influenced by the properties of the wheel ...composition, wheel manufacturing process, and thermal and mechanical loading during ...the wheel tread. This ...

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Preliminary Results on Dynamic Analysis of a New Test Rig for Wheel-Rail Contact Studies

Preliminary Results on Dynamic Analysis of a New Test Rig for Wheel-Rail Contact Studies

... rotating wheel components on a ring–shape rail track system was developed for wheel-rail contact ...levels, contact patch sizes and frequency contents of dynamic forces in the ...

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Reducing the Diameter of Freight Vehicle Wheels  –  The Suitability of Q/D as a Control for Wheel Rail Contact Stress

Reducing the Diameter of Freight Vehicle Wheels – The Suitability of Q/D as a Control for Wheel Rail Contact Stress

... vehicle wheel-rail contacts occur at higher contact stress than the previously quoted limiting values, further analysis was carried out to determine which factors had the greatest influence on the ...

8

Effect of the wheel/rail contact angle and the direction of the saturated creep force on rail corrugation

Effect of the wheel/rail contact angle and the direction of the saturated creep force on rail corrugation

... a wheel-rail system used in ...a wheel-rail system used in ...the wheel-rail system, the friction coupling between the wheel and the rail must be used but the ...

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Measuring wheel/rail contact stresses using ultrasound

Measuring wheel/rail contact stresses using ultrasound

... anticipated contact area of the contacting ...a contact computation program [9] that works by replacing the continuous pressure distribution with a discrete set of ...The contact computation applies ...

13

Design & Analysis of Rail Wheel Failure

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 ...

5

Review of top of rail friction modifier tribology

Review of top of rail friction modifier tribology

... the wheel-rail contact ranging from simple table top simple tribometers to field ...real rail material cut out to form specimens to put into smaller test rigs is one way of being able to ...

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The Effect of Profiles on Wheel and Rail Damage

The Effect of Profiles on Wheel and Rail Damage

... the wheel and rail profiles currently used on railway ...in wheel-rail contact and summarises the methods that have recently been developed by railway engineers to predict the level of ...

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Contact Analysis of the Two Dimensional Wheel-Rail Based on Finite Element Method

Contact Analysis of the Two Dimensional Wheel-Rail Based on Finite Element Method

... surface-to-suface contact element. Method selects the extended Lagrange algorithm. The rail bottom is fully restrained while the x direction of the center of the wheel and the x direction of the left ...

9

Dynamical attitude of non-linearly parameters of rail wheel contact on application of creep coefficient

Dynamical attitude of non-linearly parameters of rail wheel contact on application of creep coefficient

... respectively. Wheel slip/slide is an undesirable phenomenon and results in excessive wear rails and wheels ...of wheel to longitudinal speed ...on rail track ...various wheel-rail ...

5

A Comparison of Friction Modifier Performance using Two Laboratory Test Scales

A Comparison of Friction Modifier Performance using Two Laboratory Test Scales

... of rail (TOR) FMs are widely used in the North American heavy haul environment as well as in passenger/transit systems all over the ...the wheel-rail contact leaving behind solid particles to ...

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Robust control for independently rotating wheelsets on a railway vehicle using practical sensors

Robust control for independently rotating wheelsets on a railway vehicle using practical sensors

... the wheel-rail contact mechanics upon the dynamics of each ...flange contact occurs. The paper uses the linearized models of the wheel-rail contact mechanics exclu- sively ...

10

An ultrasonic sensor for monitoring wheel flange/rail gauge corner contact

An ultrasonic sensor for monitoring wheel flange/rail gauge corner contact

... Ideally wheel/rail contact should be confined to the wheel tread/rail head where the geometry is such that the loaded is relatively ...curving contact can occur between the ...

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