A study on transition from a compression wave to a shock wave in a high-speed train tunnel

Shinichiro Nakao, Toshiyuki Aoki, Tsuyoshi Yasunobu, Kazuyasu Matsuo

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

When a high-speed train enters a tunnel, a pressure wave is generated in front of the train. This pressure wave propagates to the tunnel exit and spouts as an impulsive wave, which causes a bursting sound. It is important to estimate the waveform of the compression wave at the tunnel exit. In this paper we have experimentally studied the transformation of the propagating compression wave in a high-speed train tunnel simulator. The criterion for whether the wavefront steeps or spreads is discussed using the acoustic Reynolds number and the Burger's equations.

Original languageEnglish
Pages (from-to)359-364
Number of pages6
JournalTheoretical and Applied Mechanics Japan
Volume50
Publication statusPublished - Dec 1 2001

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compression waves
Tunnel
Shock Waves
Shock waves
tunnels
shock waves
Tunnels
High Speed
Compression
high speed
elastic waves
Burger equation
acoustics
Bursting
simulators
Wavefronts
Reynolds number
waveforms
Burgers Equation
Wave Front

All Science Journal Classification (ASJC) codes

  • Mathematics(all)
  • Condensed Matter Physics
  • Mechanics of Materials

Cite this

A study on transition from a compression wave to a shock wave in a high-speed train tunnel. / Nakao, Shinichiro; Aoki, Toshiyuki; Yasunobu, Tsuyoshi; Matsuo, Kazuyasu.

In: Theoretical and Applied Mechanics Japan, Vol. 50, 01.12.2001, p. 359-364.

Research output: Contribution to journalArticle

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