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Selecting a Turnout Curve Form in Railroad Switches for High Speeds of Movement

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International Scientific Conference Energy Management of Municipal Facilities and Sustainable Energy Technologies EMMFT 2019 (EMMFT 2019)

Part of the book series: Advances in Intelligent Systems and Computing ((AISC,volume 1258))

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Abstract

When designing railroad switches for high speeds of movement, it is necessary to provide passengers with a comfortable ride when the train moves on a side track by limiting the values of the so-called centrifugal acceleration and increment (change) of centrifugal acceleration per unit time (second). If it is necessary to realize the movement speed of the railroad switch on the side track over 50 km/h, the main factor in determining the radius of the turnout curve according to the conditions of driving comfort is the limitation of the increment (change) value of centrifugal acceleration per unit time (second). Based on this, when designing railroad switches for high speeds of movement, it is advisable to use curves of variable radius as a turnout curve. Curves of variable curvature are considered: cubic parabola; fourth-degree parabola and a sinusoid, recommended as turnout curves, which are given a comparative assessment of the conditions for their use in railroad switches of flat grades. Of the considered curves of variable radius, the curve that varies according to the law of a sinusoid is the most suitable for use as a turnout curve in railroad switches of flat grades for high speeds of movement.

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Authors and Affiliations

  1. Russian University of Transport (MIIT), Chasovaya str. 22/2, 125190, Moscow, Russia

    Vadim Korolev

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  1. Vadim Korolev
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Correspondence to Vadim Korolev .

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Editors and Affiliations

  1. Peter the Great St.Petersburg Polytechnic, Saint Petersburg, Russia

    Vera Murgul

  2. Saint Petersburg State University of Architecture and Civil Engineering, Saint Petersburg, Russia

    Viktor Pukhkal

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Korolev, V. (2021). Selecting a Turnout Curve Form in Railroad Switches for High Speeds of Movement. In: Murgul, V., Pukhkal, V. (eds) International Scientific Conference Energy Management of Municipal Facilities and Sustainable Energy Technologies EMMFT 2019. EMMFT 2019. Advances in Intelligent Systems and Computing, vol 1258. Springer, Cham. https://doi.org/10.1007/978-3-030-57450-5_15

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