Movement of a railway car rolling down a classification hump with a tailwind

Movement of a railway car rolling down a classification hump with a tailwind

The purpose of this paper is to calculate kinematic parameters of a railway car moving with a tailwind for designing a classification hump. The calculation of kinematic parameters is based on the d'Alembert principle, and the physical speed and distance formula for uniformly accelerated or unif...

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Main Authors: Turanov Khabibulla, Gordienko Andrey
Format: Article
Language:English
Published: EDP Sciences 2018-01-01
Series:MATEC Web of Conferences
Online Access:https://doi.org/10.1051/matecconf/201821602027
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spelling doaj-39924a35018b4bcbbe0b822dfbc4677e2021-02-02T01:24:35ZengEDP SciencesMATEC Web of Conferences2261-236X2018-01-012160202710.1051/matecconf/201821602027matecconf_pts2018_02027Movement of a railway car rolling down a classification hump with a tailwindTuranov KhabibullaGordienko AndreyThe purpose of this paper is to calculate kinematic parameters of a railway car moving with a tailwind for designing a classification hump. The calculation of kinematic parameters is based on the d'Alembert principle, and the physical speed and distance formula for uniformly accelerated or uniformly decelerated motions of a body. By determining a difference between two components - gravitational force of a car and the resistance force of all kinds (frictional resistance, air and wind resistance, resistance from switches and curves, snow and frost resistance), which take place at different sections of a hump profile, the authors calculated the car acceleration at various types of car resistance, as well as time and speed of its movement. Acceleration, time and speed were plotted as a function of the length of a hump profile section. The research results suggest that permissible impact velocities of cars can be achieved by changing profiles of projected hump sections or by using additional hump retarders.https://doi.org/10.1051/matecconf/201821602027
collection DOAJ
language English
format Article
sources DOAJ
author Turanov Khabibulla
Gordienko Andrey
spellingShingle Turanov Khabibulla
Gordienko Andrey
Movement of a railway car rolling down a classification hump with a tailwind
MATEC Web of Conferences
author_facet Turanov Khabibulla
Gordienko Andrey
author_sort Turanov Khabibulla
title Movement of a railway car rolling down a classification hump with a tailwind
title_short Movement of a railway car rolling down a classification hump with a tailwind
title_full Movement of a railway car rolling down a classification hump with a tailwind
title_fullStr Movement of a railway car rolling down a classification hump with a tailwind
title_full_unstemmed Movement of a railway car rolling down a classification hump with a tailwind
title_sort movement of a railway car rolling down a classification hump with a tailwind
publisher EDP Sciences
series MATEC Web of Conferences
issn 2261-236X
publishDate 2018-01-01
description The purpose of this paper is to calculate kinematic parameters of a railway car moving with a tailwind for designing a classification hump. The calculation of kinematic parameters is based on the d'Alembert principle, and the physical speed and distance formula for uniformly accelerated or uniformly decelerated motions of a body. By determining a difference between two components - gravitational force of a car and the resistance force of all kinds (frictional resistance, air and wind resistance, resistance from switches and curves, snow and frost resistance), which take place at different sections of a hump profile, the authors calculated the car acceleration at various types of car resistance, as well as time and speed of its movement. Acceleration, time and speed were plotted as a function of the length of a hump profile section. The research results suggest that permissible impact velocities of cars can be achieved by changing profiles of projected hump sections or by using additional hump retarders.
url https://doi.org/10.1051/matecconf/201821602027
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AT gordienkoandrey movementofarailwaycarrollingdownaclassificationhumpwithatailwind
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