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Civil-Comp Proceedings
ISSN 1759-3433
CCP: 104
PROCEEDINGS OF THE SECOND INTERNATIONAL CONFERENCE ON RAILWAY TECHNOLOGY: RESEARCH, DEVELOPMENT AND MAINTENANCE
Edited by: J. Pombo
Paper 23

The Measurement of Train Aerodynamic Phenomena in Operational Conditions

C. Baker, A. Quinn, H. Hemida, M. Sterling, M. Gallagher, J. Morden and S. Jordan

Birmingham Centre for Railway Research and Education, University of Birmingham, United Kingdom

Full Bibliographic Reference for this paper
C. Baker, A. Quinn, H. Hemida, M. Sterling, M. Gallagher, J. Morden, S. Jordan, "The Measurement of Train Aerodynamic Phenomena in Operational Conditions", in J. Pombo, (Editor), "Proceedings of the Second International Conference on Railway Technology: Research, Development and Maintenance", Civil-Comp Press, Stirlingshire, UK, Paper 23, 2014. doi:10.4203/ccp.104.23
Keywords: train aerodynamics, slipstreams, cross winds, pressure transients, underbody flow, wind tunnels, moving model tests, computational fluid dynamics.

Summary
This paper describes the ongoing project "The measurement of train aerodynamic phenomena in operational conditions", which aims to compare experimental and numerical measurements of train aerodynamic phenomena with full scale on-train and trackside measurements. The project utilises the GB New Measurement Train, a 200kph Class 43 unit. Preliminary results are reported for two sets of full scale experiments being carried out on and around the train, slipstream and pressure measurements at a trackside site, cross wind and tunnel passing pressures on the train, wind tunnel and moving model rig measurements of train slipstreams and cross wind behaviour, and computational fluid dynamics calculations of a range of aerodynamic phenomena. Future work on the project is outlined.

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