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1 869 (0,11s) •

Project

Testing methods and models for service life prediction increasing safety and reliability of railway wheel sets (2A-3TP1/110)

of wheel plate, in contact fatigue between wheel and rail during service, and in heat prediction designed for higher safety and reliability of railway wheel sets. These methods will have to verif...

JL - Únava materiálu a lomová mechanika

  • 2008 - 2011
    • •
  • 19 488 tis. Kč
    • •
  • 9 345 tis. Kč
    • •
  • MPO
Project

Technique for measuring the force effects in the wheel-rail contact (TA02030776)

The project deals with research and development of the new measuring system for detecting of force effects in the wheel-rail contact. Attention will be paid especially to the measurement of tangential (traction and braking)...

JO - Pozemní dopravní systémy a zařízení

  • 2012 - 2015
    • •
  • 20 732 tis. Kč
    • •
  • 11 959 tis. Kč
    • •
  • TA ČR
Project

Squeal noise generation in the wheel-rail contact with modified friction (GA20-23482S)

operational conditions in the wheel-rail contact. Recent studies suggest that the classic of potential limits for adjustment of friction in wheel-rail contact and validity of the contact...

Applied mechanics

  • 2020 - 2022
    • •
  • 4 664 tis. Kč
    • •
  • 4 664 tis. Kč
    • •
  • GA ČR
Project

Railway wheel - rail contact and influence of braking processes on service life of tread surface (GA101/01/0242)

Solution of a weighty degradation problem of railway wheel tread under the influence of a railway wheel rail interaction as well as an operation of braking processes. The theoretical part of the project is directed at deter...

JO - Pozemní dopravní systémy a zařízení

  • 2001 - 2003
    • •
  • 3 003 tis. Kč
    • •
  • 3 003 tis. Kč
    • •
  • GA ČR
Project

Analysis of limit states in surface layers of a rail from the view of the contact loading owing to effect of wheel forces during railway vehicle running (GA101/04/0033)

in the contact surroundings of mutually imposing real bodies (rail and wheel). The consequences of a contact mechanism on the structural changes in surface and subsurface in the field of railway wheel - <...

JO - Pozemní dopravní systémy a zařízení

  • 2004 - 2006
    • •
  • 1 548 tis. Kč
    • •
  • 1 468 tis. Kč
    • •
  • GA ČR
Project

Friction phenomena in rolling contacts caused by suspensions (GF24-14624L)

The project is motivated by the issue of low adhesion in wheel-rail contacts is frequently connected to the ‘wet-rail’ phenomenon where the contact is naturally) will be coupled with flow simulations betwe...

Applied mechanics

  • 2024 - 2027
    • •
  • 6 891 tis. Kč
    • •
  • 6 891 tis. Kč
    • •
  • GA ČR
Project

Research and Development of System for Top-of-Rail Friction Management in Rail Transport. (TA04030528)

control of adhesion in rail transport by means of top-of-rail application of friction modifier into wheel and rail contact. The system includes a modular dispensing unit that enables change of contact...

JQ - Strojní zařízení a nástroje

  • 2014 - 2017
    • •
  • 12 142 tis. Kč
    • •
  • 7 545 tis. Kč
    • •
  • TA ČR
Project

Friction management as a solution for noise and wear mitigation at the wheel-rail interface (8JCH1042)

on the degree of adhesion, wear, contact fatigue and noise emission for a wide rangeTop-of-rail products represent a modern approach to control adhesion, wear reduction and noise reduction in rail transport. At pr...

Mechanical engineering

  • 2019 - 2021
    • •
  • 202 tis. Kč
    • •
  • 202 tis. Kč
    • •
  • MŠMT
Project

Dynamic Opto-acoustic Method for Railway Superstructure Emission Noise Assessment (CK03000099)

The aim of the project is to develop a new method for railway superstructure emission noise assessment.The principle will be a combination of optical and acoustic sensors placed in the near field of the rail-wheel contact,w...

Electrical and electronic engineering

  • 2022 - 2024
    • •
  • 17 206 tis. Kč
    • •
  • 12 798 tis. Kč
    • •
  • TA ČR
Project

Elimination of operational failures axles of rail vehicles (TH02010542)

-Designed Method of determining the residual life of the axles of rail vehicles including validation fatigue tests. Determination of the loading mode to verify without dismantling wheels including equipment for measurement ...

JO - Pozemní dopravní systémy a zařízení

  • 2017 - 2019
    • •
  • 5 580 tis. Kč
    • •
  • 3 345 tis. Kč
    • •
  • TA ČR
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