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The boundary-layer characteristics and unsteady flow topology of full-scale operational inter-modal freight trains

Bell, James and Burton, David and Thompson, Mark (2020) The boundary-layer characteristics and unsteady flow topology of full-scale operational inter-modal freight trains. Journal of Wind Engineering and Industrial Aerodynamics, 201, pp. 1-21. Elsevier. DOI: 10.1016/j.jweia.2020.104164 ISSN 0167-6105

Full text not available from this repository.

Official URL: https://doi.org/10.1016/j.jweia.2020.104164

Abstract

The boundary layers that develop at the sides of full-scale operational inter-modal freight trains were measured using rakes of 4-hole dynamic-pressure probes. The average boundary-layer displacement thickness at the middle of the trains measured under low crosswind was 1.6 ​m (within the range of 0.5–3 ​m), showing turbulence intensities of 4–13%, and length scales of 5–30 ​m. These characteristics, together with other quantitative details provided in the paper, are intended to provide insight for future experiments and simulations to model real-world conditions around freight trains. The sensitivity of the boundary layer and flow topology to environmental crosswinds and loading configuration was also investigated. In addition, insight is provided into the unsteady flow topology around freight trains, the frequency content of the induced flow, and correlation characteristics.

Item URL in elib:https://elib.dlr.de/134816/
Document Type:Article
Title:The boundary-layer characteristics and unsteady flow topology of full-scale operational inter-modal freight trains
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Bell, JamesJames.Bell (at) dlr.dehttps://orcid.org/0000-0001-8319-9817
Burton, Daviddavid.burton (at) monash.eduUNSPECIFIED
Thompson, Markmark.thompson (at) monash.eduUNSPECIFIED
Date:17 April 2020
Journal or Publication Title:Journal of Wind Engineering and Industrial Aerodynamics
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:201
DOI :10.1016/j.jweia.2020.104164
Page Range:pp. 1-21
Editors:
EditorsEmailEditor's ORCID iD
UNSPECIFIEDElsevierUNSPECIFIED
Publisher:Elsevier
ISSN:0167-6105
Status:Published
Keywords:Freight train; Transient flow; Induced flow; Boundary layer; Real-world conditions; Train aerodynamics
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Transport
HGF - Program Themes:Transport System
DLR - Research area:Transport
DLR - Program:V VS - Verkehrssystem
DLR - Research theme (Project):V - Energie und Verkehr
Location: Göttingen
Institutes and Institutions:Institute for Aerodynamics and Flow Technology > Ground Vehicles
Deposited By: Bell, Dr. James
Deposited On:02 Jun 2020 11:07
Last Modified:02 Jun 2020 11:07

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