Study on the critical diameter of the subway tunnel based on the pressure variation

CORC > 力学研究所 > 中国科学院力学研究所 > 流固耦合系统力学重点实验室(2012-)

	Study on the critical diameter of the subway tunnel based on the pressure variation
	Sun ZX(孙振旭); Yang GW(杨国伟); Zhu L; Sun, ZX (reprint author), Chinese Acad Sci, Inst Mech, Key Lab Mech Fluid Solid Coupling Syst, Beijing 100190, Peoples R China.
刊名	SCIENCE CHINA-TECHNOLOGICAL SCIENCES
	2014-10
卷号	57 期号:10 页码:2037-2043
关键词	Tunnel Pressure Waves Airtight Index Aural Discomfort Blockage Ratio
ISSN号	1674-7321
产权排序	[Sun ZhenXu; Yang GuoWei] Chinese Acad Sci, Inst Mech, Key Lab Mech Fluid Solid Coupling Syst, Beijing 100190, Peoples R China; [Zhu Lan] Beijing Rail & Transit Design & Res Inst CO LTD, Beijing 100089, Peoples R China
英文摘要	When the subway train operates at a speed higher than 100 km/h, the corresponding aerodynamic issue becomes severe. To meet the future requirement for the speedup of subway trains, a research on the critical diameters of the subway tunnel for trains operating at 120 and 140 km/h has been performed based on passengers' aural discomfort caused by rail tunnel pressure variation. A three-dimensional computational fluid dynamic approach has been adopted for analysis. Meanwhile, trains with different airtight indices are considered and the pressure variations inside and outside the trains are both under investigation. Based on the corresponding criteria for different airtight indices, critical tunnel diameters for trains running at different speeds have been determined. This study would aid in the tunnel section design for future high-speed subway trains.
学科主题	Engineering ; Materials Science
分类号	二类/Q2
URL标识	查看原文
语种	英语
WOS记录号	WOS:000343363100018
资助机构	This work was supported by the National Basic Research Program of China ("973" Project) (Grant No. 2011CB711100), and the National Natural Science Foundation of China (Grant No. 11302233). Computing Facility for Computational Mechanics Institute of Mechanics, Chinese Academy of Sciences is gratefully acknowledged.
公开日期	2014-11-27
内容类型	期刊论文
源URL	[http://dspace.imech.ac.cn/handle/311007/49332]
专题	力学研究所_流固耦合系统力学重点实验室(2012-) 力学研究所_高温气体动力学国家重点实验室
通讯作者	Sun, ZX (reprint author), Chinese Acad Sci, Inst Mech, Key Lab Mech Fluid Solid Coupling Syst, Beijing 100190, Peoples R China.
推荐引用方式 GB/T 7714	Sun ZX,Yang GW,Zhu L,et al. Study on the critical diameter of the subway tunnel based on the pressure variation[J]. SCIENCE CHINA-TECHNOLOGICAL SCIENCES,2014,57(10):2037-2043.
APA	Sun ZX,Yang GW,Zhu L,&Sun, ZX .(2014).Study on the critical diameter of the subway tunnel based on the pressure variation.SCIENCE CHINA-TECHNOLOGICAL SCIENCES,57(10),2037-2043.
MLA	Sun ZX,et al."Study on the critical diameter of the subway tunnel based on the pressure variation".SCIENCE CHINA-TECHNOLOGICAL SCIENCES 57.10(2014):2037-2043.