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Railways 2014
The Second International Conference on
Railway Technology:
Research, Development and Maintenance
Ajaccio, Corsica, France
8-11 April 2014
Train Aerodynamics
organised by
organised by Professor Sinisa Krajnovic,
Vehicle Aerodynamics Laboratory,
Chalmers University of Technology, Sweden;
and Professor Claus Wagner,
German Aerospace Center,
Institute of Aerodynamics and Flow Technology, Germany
Session Aims and Scope
Aerodynamic properties of trains are responsible for energy efficiency, safety and environmental influence of trains to their surroundings including air pollution and noise. Prediction of aerodynamic properties of trains is a complicated task and both numerical and experimental techniques are required for accurate predictions and understanding of the flow behaviour. Reduction of aerodynamic drag has traditionally been the driving force for improvement of the aerodynamics properties of the trains. However, there are many other aerodynamic aspects such as crosswind stability, unsteadiness from passages of tunnels, platforms or other trains, ballast projection for high-speed trains, aero acoustics and soiling which require better understanding of the flows around trains and their influence to trainís aerodynamics.

Several advancements in experimental and numerical procedures have occurred in recent years. More advanced facilities and experimental techniques have been developed on the experimental side. Time-dependent simulations are the most important improvement in the numerical train aerodynamics used in the academia and gradually being introduced within the aerodynamics departments.

The session is intendend as a place where engineers and researchers from train aerodynamics can exchange their ideas and discuss the recent achievements in the field of train aerodynamics and the related fields.

The abstracts are invited within (but not limited to) the following subjects:

  • Time-dependent simulations of flows around trains (DNS, LES, URANS and related techniques)
  • Experimental techniques applied in train aerodynamics
  • Aerodynamic shape optimization of trains
  • Simulations and experimental studies of wind-gust effects, overtaking, passage of other vehicles vehicle or infrastructure etc.
For specific questions regarding the scope of this session please contact the organisers:
  • Professor Sinisa Krajnovic
    Vehicle Aerodynamics Laboratory
    Chalmers University of Technology
    (sinisa AT
  • Professor Claus Wagner
    German Aerospace Center
    Institute of Aerodynamics and Flow Technology
    (claus.wagner AT

Please note that papers that are found to fall outside the scope of this session may be considered for other sessions.

Abstract Submission
To submit abstracts for this special session, please follow the normal abstract submission procedure but please select "RW2014-S15" when asked "Is this paper part of a special session?"
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