Gust wind tunnel study on ballast pick-up by high-speed trains

Navarro Medina, Fermín and Sanz Andres, Angel Pedro and Perez Grande, María Isabel (2012). Gust wind tunnel study on ballast pick-up by high-speed trains. "Experiments in Fluids", v. 52 (n. 1); pp. 105-121. ISSN 0723-4864. https://doi.org/10.1007/s00348-011-1201-4.

Description

Title: Gust wind tunnel study on ballast pick-up by high-speed trains
Author/s:
  • Navarro Medina, Fermín
  • Sanz Andres, Angel Pedro
  • Perez Grande, María Isabel
Item Type: Article
Título de Revista/Publicación: Experiments in Fluids
Date: 2012
ISSN: 0723-4864
Volume: 52
Subjects:
Faculty: Instituto de Microgravedad Ignacio Da Riva (UPM)
Department: Vehículos Aeroespaciales [hasta 2014]
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

This paper describes the experimental setup, procedure, and results obtained, concerning the dynamics of a body lying on a floor, attached to a hinge, and exposed to an unsteady flow, which is a model of the initiation of rotational motion of ballast stones due to the wind generated by the passing of a high-speed train. The idea is to obtain experimental data to support the theoretical model developed in Sanz-Andres and Navarro-Medina (J Wind Eng Ind Aerodyn 98, 772–783, (2010), aimed at analyzing the initial phase of the ballast train-induced-wind erosion (BATIWE) phenomenon. The experimental setup is based on an open circuit, closed test section, low-speed wind tunnel, with a new sinusoidal gust generator mechanism concept, designed and built at the IDR/UPM. The tunnel’s main characteristic is the ability to generate a flow with a uniform velocity profile and sinusoidal time fluctuation of the speed. Experimental results and theoretical model predictions are in good agreement.

More information

Item ID: 39516
DC Identifier: http://oa.upm.es/39516/
OAI Identifier: oai:oa.upm.es:39516
DOI: 10.1007/s00348-011-1201-4
Official URL: http://link.springer.com/article/10.1007%2Fs00348-011-1201-4
Deposited by: Biblioteca ETSI Aeronauticos
Deposited on: 07 Mar 2016 12:58
Last Modified: 07 Mar 2016 12:58
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