The Effect from Hole Area on Pressure Waves Produced by a High-Speed Train through Tunnel with Perforated Wall

Yuan Gui Mei; Yong Xing Jia

doi:10.4028/www.scientific.net/AMM.94-96.1733

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 94-96The Effect from Hole Area on Pressure Waves...

The Effect from Hole Area on Pressure Waves Produced by a High-Speed Train through Tunnel with Perforated Wall

Abstract:

The perforated wall has great effect on pressure waves produced by high-speed train through a tunnel. In this paper the effect is investigated numerically by the method of characteristics based on one-dimensional unsteady compressible non-isentropic flow theory. The numerical method is validated by experimental results of Netherlands NLR. The effect from hole area in perforated wall is investigated principally and the results shows that the pressure wave is alleviated remarkably in tunnel with perforated wall.

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Periodical:

Applied Mechanics and Materials (Volumes 94-96)

Pages:

1733-1736

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.94-96.1733

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Online since:

September 2011

Authors:

Yuan Gui Mei, Yong Xing Jia

Keywords:

High-Speed Railway Tunnel, Method of Characteristics, One-Dimensional Flow Model, Perforated Wall, Pressure Waves

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