21–40 of 73 hits
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    Track and catenary reconstruction from aerial images for the realistic analysis of rail electrification systems

    Free access
    Rebelo, JM / Antunes, P / Ambrósio, J et al. | SAGE Publications | 2024

    Currently, the modelling of the railway catenaries for straight tracks is well understood and demonstrated via an accepted number of

     ...

    Behaviour of under sleeper pads at switches and crossings – Field measurements

    Free access
    Le Pen, Louis / Watson, G / Hudson, A et al. | SAGE Publications | 2018
    Major growth in rail traffic in many parts of the world in recent years has brought railway networks close to capacity and restricted the ...

    Experimental analysis of railway track settlement in transition zones

    Free access
    Wang, Haoyu / Markine, Valeri / Liu, Xiangming | SAGE Publications | 2018
    stiffness and settlement in the open track and the engineering structure resulting in the dynamic amplification of the wheel forces, track ...

    Study on the braking distance of composite brake blocks covered with ice for freight trains in winter

    Free access
    Zhang, Yanjun / Liu, Zhendong / Stichel, Sebastian | SAGE Publications | 2023
    preventive measures. Up to now, it has not really been studied how a layer of ice that is often found between the brake block and the wheel ...

    A finite element modelling approach for the numerical analysis of switch rail contact loading and cyclic profile degradation

    Free access
    Velic, Dino / Krobath, Martin / Stocker, Erik et al. | SAGE Publications | 2023
    A dynamic 3D finite element model for the calculation of profile degradation in the switch panel is presented. The model includes the ...

    An examination of alternative schemes for active and semi-active control of vertical car-body vibration to improve ride comfort

    Free access
    Fu, Bin / Bruni, Stefano | SAGE Publications | 2022
    The recent tendency to reduce the weight of car bodies is posing a new challenge to vertical ride quality, since the vibrations related to ...

    New laboratory methodologies to analyse the top of rail friction modifier performance across different test scales

    Free access
    Harmon, M / Lewis, R | SAGE Publications | 2021
    included: a small-scale benchtop tribometer to measure the tackiness of different TORFMs, attaching an applicator bar to a section of rail and ...

    A decentralized approach to formation flight routing of long-haul commercial flights

    Free access
    Verhagen, Collin MA / Visser, Hendrikus G / Santos, Bruno F | SAGE Publications | 2019
    This paper describes the development of an optimization-based cooperative planning system for the efficient routing and scheduling of ...

    Carrydown of liquid friction modifier

    Free access
    Rahmani, Hatef / Gutsulyak, Dmitry / Stanlake, Louisa et al. | SAGE Publications | 2022
    fluorescence served to measure the LFM thickness left on the track after the passage of the wheel. The lab experiments show that the LFM cannot ...
    Keywords: Top-of-rail

    Welding simulation of railway bogie frame side beam: Analyses of residual stresses, clamping forces, distortion and prediction of fatigue S-N curves

    Free access
    Afazov, Shukri / Mistry, Kaylan / Uzunov, Kamen | SAGE Publications | 2023
    -N curves with the proposed model showed close correlation with the S-N curves for class F and class F2 welds of the BS7608 standard ...

    Selection and ranking of rail vehicle components for optimal lightweighting using composite materials

    Free access
    Mistry, PJ / Johnson, MS / Galappaththi, UIK | SAGE Publications | 2021
    identified the key components for lightweighting of rail vehicles using fibre reinforced polymer composite materials. A methodology used to select ...

    Automated processing of railway track deflection signals obtained from velocity and acceleration measurements

    Free access
    Milne, David / Pen, Louis L / Thompson, David et al. | SAGE Publications | 2018
    Measurements of low-frequency vibration are increasingly being used to assess the condition and performance of railway tracks ...

    Techno-economic analysis of freight railway electrification by overhead line, hydrogen and batteries: Case studies in Norway and USA

    Free access
    Zenith, Federico / Isaac, Raphael / Hoffrichter, Andreas et al. | SAGE Publications | 2020
    simulations, including the altitude profiles of the lines, air and rolling resistances, and locomotive tractive-effort curves. The composition of the ...

    Finite element analysis of a crossing panel under dynamic moving load – effect of support conditions and implications on foot fatigue

    Free access
    Alizadeh Otorabad, Hossein / Bezin, Yann / Grossoni, Ilaria et al. | SAGE Publications | 2023
    The dynamic behaviour of a complete crossing panel under a transient moving load is considered using finite element method (FEM). A 3D ...

    Analysis on new semi-active control strategies to reduce lateral vibrations of high-speed trains by simulation and hardware-in-the-loop testing

    Free access
    Zhao, Yiwei / Liu, Yongqiang / Yang, Shaopu et al. | SAGE Publications | 2022
    In order to further reduce the vibration of vehicles and simultaneously increase ride comfort, a class of new control strategies, namely ...
    Keywords: hardware-in-the-loop

    Intermittent cyclic load testing of polymer railway sleepers

    Free access
    van Belkom, Aran / Pittrich, Matthias / Lojda, Vit | SAGE Publications | 2022
    , polymer sleepers exhibit viscoelastic properties, such as creep, a loading rate-dependent stiffness and heating due to non-linearity of the stress ...

    Field trials of a methodology for locomotive brake testing to assess friction enhancement in the wheel/rail interface using a representative leaf layer

    Free access
    Lanigan, Joseph L / Krier, Peter / Johnstone, Luke Buckley et al. | SAGE Publications | 2021
    There are two options for testing the performance of rail vehicles and the application of material to the wheel/rail interface to influence ...

    Applicability and development of a direct method algorithm for simultaneous optimization of trajectories and energy minimizing control for hybrid fuel cell railway vehicles

    Free access
    Kühlkamp, Florian / Schenker, Moritz / Konrad, Marcel et al. | SAGE Publications | 2023
    operation. As a promising solution, the fuel cell electric drive came into focus as an emission-free drive system at the point of use. In order to ...

    A feasibility assessment of multi-modelling approaches for rail decarbonisation systems simulation

    Free access
    Golightly, David / Pierce, Ken / Palacin, Roberto et al. | SAGE Publications | 2022
    -modelling for rail decarbonisation, using a combination of audit of current state of the art, technical implementation and stakeholder consultation ...