4 research outputs found
Aerodynamic loads in open air of high speed trains: Analysis of experimental data
The homologation of high-speed trains is a demanding and expensive procedure. In
particular, the evaluation of train slipstream according to the standard TSI, 2008 is
divided in two different test programmes: one concerning the workers at the
trackside and the other studying the passengers standing on the platform. This paper
presents some slipstream measurements performed on three high speed trains and a
comparison between them. The objective is to investigate the slipstream on the
platform and relate it to the flow measured at the trackside at the same height with
respect to the top of the rail. This topic is currently under revision by the
commission in charge of the TSI standard. Interesting evidence concerning the
improvements of the aerodynamic performance of new-generation trains are
highlighted