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Unsteady simulation for a high-speed train entering a tunnel

โœ Scribed by Xin-hua Li; Jian Deng; Da-wei Chen; Fang-fang Xie; Yao Zheng

Book ID
111842183
Publisher
SP Zhejiang University Press
Year
2011
Tongue
English
Weight
555 KB
Volume
12
Category
Article
ISSN
1009-3095

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๐Ÿ“œ SIMILAR VOLUMES

PREDICTION AND VALIDATION ON THE SONIC B
PREDICTION AND VALIDATION ON THE SONIC BOOM BY A HIGH-SPEED TRAIN ENTERING A TUNNEL
โœ T.S. YOON; S. LEE; J.H. HWANG; D.H. LEE ๐Ÿ“‚ Article ๐Ÿ“… 2001 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 423 KB

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

Numerical study of flow characteristics
Numerical study of flow characteristics of the high speed train entering into a tunnel
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

MACH NUMBER DEPENDENCE OF THE COMPRESSIO
MACH NUMBER DEPENDENCE OF THE COMPRESSION WAVE GENERATED BY A HIGH-SPEED TRAIN ENTERING A TUNNEL
โœ M.S. Howe ๐Ÿ“‚ Article ๐Ÿ“… 1998 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 249 KB

An analysis is made of the compression wave generated when a high speed train enters a tunnel. Operations in the near future are expected to be at Mach numbers M ranging in value up to 0โ€ข4. Non-linear steepening of the wave in a very long tunnel exacerbates the environmental damage caused by the sub