1–20 of 73 hits
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    A computational fluid dynamics study of the influence of sleeper shape and ballast depth on ballast flight during passage of a simplified train

    Free access
    Pardoe, Lee / Powrie, William / Hu, Zhiwei | SAGE Publications | 2024

    The paper assesses the effect on the air flow regime underneath a simplified high-speed train of changing the ballast depth and the

     ...

    Acoustic roughness measurement of railway tracks: Implementation of an optical measurement approach & possible improvements to the standard

    Free access
    Mauz, Florian / Wigger, Remo / Wahl, Tobias et al. | SAGE Publications | 2022
    The measure for assessing the acoustic quality of the rail surfaces, the acoustic roughness, is defined in the EN 15610 standard. It is ...

    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 ...

    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 ...

    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 ...

    A framework for simulating snow accumulation and ice accretion on high-speed trains

    Free access
    Zhao, Fanzhou / Chen, Dawei / Liu, Jiali et al. | SAGE Publications | 2024
    importance for physical investigations and the design of anti-snow and ice protection systems. ...

    A laser scanner based approach for identifying rail surface squat defects

    Free access
    De Becker, D / Dobrzanski, J / Justham, L et al. | SAGE Publications | 2021
    of new measurement systems and defect detection systems. Although significant work has been on the defect identification little work has been ...

    A modified dual time integration technique for aerodynamic quasi-static and dynamic stall hysteresis

    Free access
    Sereez, Mohamed / Abramov, Nikolay / Goman, Mikhail | SAGE Publications | 2023
    Simulation of the aerodynamic stall phenomenon in both quasi-static and dynamic conditions requires expensive computational resources. The ...

    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

    An efficient physical-based method for predicting the long-term evolution of vertical railway track geometries

    Free access
    Kumar, Nishant / Kossmann, Claudia / Scheriau, Stephan et al. | SAGE Publications | 2022
    settlement. If these local settlements vary along the track, geometric irregularities develop further amplifying the dynamic loading of the track ...

    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 ...

    An integrated numerical framework to investigate the running safety of overlong freight trains

    Free access
    Krishna, Visakh V / Jobstfinke, Daniel / Melzi, Stefano et al. | SAGE Publications | 2021
    Long freight trains up to 1500 m in length are currently not in regular operation in Europe. One of the important reasons for the same is ...

    “A novel methodology for developing ultra-low adhesion leaf layers on a full-scale wheel/rail rig”

    Free access
    Jaffe, Joseph / White, Ben / Lanigan, Joseph et al. | SAGE Publications | 2024
    to other layers from the laboratory and field. Testing of the adhesion evolution of the leaf contaminated layers over 50 cycles is explored ...

    A Petri net asset management framework for railway switches and crossings

    Free access
    Litherland, Jack / Andrews, John | SAGE Publications | 2023
    other tracks. They consist of various electrical and mechanical components to which there is a substantial maintenance cost. Failure of an S&C ...

    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 ...

    Application of smart wayside object controllers to railway signalling systems for decarbonisation

    Free access
    Spiryagin, Maksym / Cole, Colin / Schindler, Christian F. et al. | SAGE Publications | 2024
    application of radio communication to wirelessly transmit command control and signals, the cost of cabling and installation has been significantly ...

    A rail corrugation index to characterize noise impacts and grinding effectiveness on rail transit systems

    Free access
    Lasisi, Ahmed / Carneiro, Julian / Regehr, Jonathan D et al. | SAGE Publications | 2024
    (RCI) and demonstrates the suitability of that index to characterize the relationship between corrugation and noise, to assess grind ...

    A reliability study of railway switch and crossing components

    Free access
    Litherland, Jack / Andrews, John | SAGE Publications | 2023
    high number of interlinking electrical and mechanical components they contain. Due to their location such as station throats and major ...

    A review of key planning and scheduling in the rail industry in Europe and UK

    Free access
    Turner, Christopher / Tiwari, Ashutosh / Starr, Andrew et al. | SAGE Publications | 2016
    techniques over the last 25 years. Increasingly, the use of computational intelligence in such tasks is featuring more heavily in research ...

    A review of the technological developments for interlocking at level crossing

    Free access
    Fayyaz, Muhammad Asad Bilal / Alexoulis-Chrysovergis, Aris C / Southgate, Matthew J et al. | SAGE Publications | 2021
    A Level Crossing remains as one of the highest risk assets within the railway system often depending on the unpredictable behaviour of road ...