Train Aerodynamics: Fundamentals and Applications is the first reference to provide a comprehensive overview of train aerodynamics with full scale data results. With the most up-to-date information on recent advances and the possibilities of improvement in railway facilities, this book will benefit railway engineers, train operators, train manufacturers, infrastructure managers and researchers of train aerodynamics. As the subject of train aerodynamics has evolved slowly over the last few decades with train speeds gradually increasing, and as a result of increasing interest in new train types and high-speed lines, this book provides a timely resource on the topic.
- Examines the fundamentals and the state-of-the-art of train aerodynamics, beginning with experimental, numerical and analytical tools, and then thoroughly discussing the specific approaches in other sections
- Features the latest developments and progress in computational aerodynamics and experimental facilities
- Addresses problems relating to train aerodynamics, from the dimensioning of railway structures and trains, to risk analysis related to safety issues and maintenance
- Discusses basic flow patterns caused by bridges and embankments
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About the Author
After obtaining an MSc in Industrial Applied Mathematics in 1974, Terry Johnson initially worked as a research assistant at Sheffield Polytechnic. In 1977 he began his railway aerodynamics career as a graduate entrant to the Aerodynamics Team of British Rail Research in Derby. By the time of railway privatisation in 1996, he had risen to be Head of the Team. There followed 12 years working in the railway consultancies of AEA Technology Rail/DeltaRail. He then joined the Railway Safety and Standards Board in 2008 as their Principal Aerodynamics Engineer, and has worked on a wide range of railway aerodynamics research projects and has maintained and developed aerodynamic aspects in GB railway standards. He is a Chartered Mathematician and Fellow of the Institute of Mathematics and its Applications.
Dominic Flynn is a lecturer in Mechanical Engineering at Birmingham City University, with a specialism in computational fluid dynamics (CFD). His PhD thesis investigated the influence of crosswinds on freight train slipstreams and the resulting passenger safety issues. Dominic has worked on both academic research, and industrial, projects using numerical analysis methods and continues to research vehicle aerodynamic phenomena.
Dr Hassan Hemida has more than twenty years of experience in both academia and industry, running research projects that involve steady and unsteady simulations of single and multiphase flows. He obtained his PhD in Trains Aerodynamics from Chalmers University of Technology, Sweden and then worked in Epsilon Sweden for two years before moving to an academic position at Civil Engineering, University of Birmingham. Dr Hemida has led many research projects related to train aerodynamics, looking at slipstream, trains in tunnels, side-wind forces and shape optimisations. Although has focused much of his work on the aerodynamics of ground vehicles (trains, buses and road vehicles), he has conducted other successful projects that involve multiphase flow, heat transfer, combustion, mass transfer and shape optimization. His work is sponsored by RRUK, EPSRC, EU commission and industry including Network Rail, Scania and Bombardier.
Dr Andrew Quinn is a Senior Lecturer and previously RCUK Research Fellow in Civil Engineering and Environmental Science. His research focuses on the interactions between infrastructure, particularly transport systems, renewable energy and extreme weather events/climate change and how these impact on the resilience of communities and services. Prior to this appointment he was part of the internationally recognised Wind Engineering group at the former BBSRC Silsoe Research Institute. He has been investigator on projects for EPSRC, BBSRC, NERC, DEFRA , EU and industry funded work for many organisations including the UK Met Office and Network Rail. This work has included complex full-scale measurement campaigns supporting high profile projects such as the main Olympic stadium in Stratford, mathematical modelling, and statistical treatments to combine observations and modelling in risk analysis.
Dr David Soper is a lecturer in vehicle aerodynamics at the University of Birmingham. His research interests lie in the field of applied fluid dynamics and engineering applications through vehicle aerodynamics, with particular expertise in experimental investigations, both at model and full scale. He completed his PhD in the field of freight train aerodynamics before taking up a research position to manage the University of Birmingham moving model TRansient Aerodynamic INvestigation (TRAIN) rig. Since becoming a lecturer in 2017 he has carried out a range of projects in academia for EPSRC and BBSRC, as well as industrial funded projects for many organisations including Arup, High Speed 2, Network Rail High Speed, Railway Accident Investigation Branch and Bombardier.
Professor Mark Sterling is the Beale Professor of Civil Engineering at the University of Birmingham with research interests in wind engineering, in particular, the effect of extreme wind events on vehicles and infrastructure, and the effect of winds on plants. Throughout his career he has held a variety of leadership positions including Head of Civil Engineering (University of Birmingham), Head of the School of Engineering (University of Birmingham), European-African regional representative of the International Association for Wind Engineering, and chair of the UK Wind Engineering Society.
Table of Contents1. Background and a brief history
2. Experimental, numerical and analytical tools
3. The flow around trains
4. Aerodynamic resistance of trains and shape optimization
5. Loads on trackside structures and people
6. Ballast flight beneath trains
7. Aerodynamic effects on pantographs and overhead wire systems
8. Cross wind effects on trains
9. Pressure transients and sonic booms in tunnels
10. Emerging issues