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Aerodynamic effects caused by a train entering a tunnel

โœ Scribed by H. Sockel

Publisher
John Wiley and Sons
Year
2002
Weight
124 KB
Volume
1
Category
Article
ISSN
1617-7061

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A compression wave generated when a high-speed train emerges from the exit portal of a tunnel, causes an impulsive noise called micro-pressure wave. There are various countermeasures to reduce the micro-pressure wave, the most e!ective one being the proper design of the nose shape of the train. In t

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A numerical procedure for the rapid prediction of the compression wave generated by a high-speed train entering a tunnel was presented and validated by Howe et al. [Rapid calculation of the compression wave generated by a train entering a tunnel with a vented hood, Journal of Sound and Vibration 297

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โœ Chang-Hoon Shin; Warn-Gyu Park ๐Ÿ“‚ Article ๐Ÿ“… 2003 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 423 KB

When a high speed train enters into a tunnel, the aerodynamic forces severely change and, consequently, the stability and performance significantly deviate from the value of design point which is usually set at cruising speed on the plain ground. The compression wave is also generated ahead of the t