Book description
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
Table of contents
- Cover image
- Title page
- Table of Contents
- Copyright
- Preface
- Acknowledgements
- Notation
-
Part 1. Fundamental aspects
- Chapter 1. Historical context
-
Chapter 2. Fluid mechanics concepts
- 2.1. Outline
- 2.2. Dimensional analysis
- 2.3. Frames of reference
- 2.4. Forces and energy in fluids
- 2.5. Free flows, boundary layers and turbulence
- 2.6. Bluff bodies, separation and wakes
- 2.7. Equations of motion
- 2.8. Steady boundary layer equations
- 2.9. Potential flow
- 2.10. Turbulent flows
- 2.11. Atmospheric wind near the ground
- Chapter 3. Testing techniques
- Chapter 4. Computational techniques
- Chapter 5. The flow around trains in the open air
- Chapter 6. Trains in tunnels
-
Part 2. Applications
- Chapter 7. Aerodynamic drag
-
Chapter 8. Aerodynamic loads on trackside structures, passing trains and people
- 8.1. Pressure loads and slipstream loads
- 8.2. The nature of pressure loads
- 8.3. Methods for measuring and quantifying pressure loads
- 8.4. Collation of pressure load data
- 8.5. Application of pressure loads to structural loading
- 8.6. The nature of slipstream loads
- 8.7. Methods for measuring and quantifying slipstream loads
- 8.8. Collation of slipstream load data
- 8.9. Application of slipstream loads
- Chapter 9. Ballast flight beneath trains
- Chapter 10. Aerodynamic effects on pantographs and overhead wire systems
-
Chapter 11. Train overturning in high winds
- 11.1. The issues
- 11.2. Outline of methodology for assessing crosswind stability of trains
- 11.3. Specification of aerodynamic characteristics
- 11.4. Wind simulations
- 11.5. Aerodynamic forces and moments
- 11.6. Vehicle system models
- 11.7. Characteristic wind curves
- 11.8. Train authorisation
- 11.9. Calculation of route overturning risk
- 11.10. Mitigation methods
-
Chapter 12. Tunnel aerodynamics issues
- 12.1. Introduction
- 12.2. Calculation of pressure transients
- 12.3. Aural pressure comfort and health limits
- 12.4. Alleviation of tunnel pressures
- 12.5. Assessment and alleviation of sonic booms
- 12.6. Aerodynamic drag in tunnels
- 12.7. Structural loading in tunnels and on trains
- 12.8. Special problems with long tunnels
- Chapter 13. Emerging issues
- Appendix 1. Train information
- Appendix 2. Data for aerodynamic crosswind force coefficients
- References
- Index
Product information
- Title: Train Aerodynamics
- Author(s):
- Release date: June 2019
- Publisher(s): Butterworth-Heinemann
- ISBN: 9780128133118
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