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JMT 2011, Vol. 19 Issue (2) :110-113    DOI: 10.3969/j.issn.2095-087X.2011.02.006
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Key vacuum technology issues to be solved in evacuated tube transportation
Yaoping ZHANG1, Daryl OSTER2, Masayuki KUMADA3, Jianye YU1, Shengshan LI1*
1. Institute of Evacuated Tube Transportation, Xijing University, Xi'an 710123, China;
2. ET3. COM INC., Crystal River Florida 34423-1423, USA;
3. Feynman Co. Ltd., 4-5-11 Azuma Tsukuba 305-0031, Japan

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Abstract Evacuated tube transportation(ETT) will be one of the ultra-large-scale vacuum application areas.This paper lists some key vacuum technology issues in ETT:(1) how to construct ultra-large-scale vacuum chamber with lower cost and high reliability,(2) how to evacuate gas out of the ETT tube in short time,(3) how to release heat or reduce temperature in the vacuum tube,(4) how to avoid vacuum discharge,(5) how to make vehicles with airproof shells and life support system,and(6) how to detect leaks and find leak positions efficiently.At the same time,some solutions are proposed.
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Yaoping ZHANG
Masayuki KUMADA
Jianye YU
Shengshan LI
Keywordsvacuum technology   evacuated tube transportation   vacuum tube   Maglev     
Received 2011-01-19;
Fund:provided by National Natural Science Foundation of China(No.50678152);Scientific Plan Fund of Shaanxi Province(No.2009K09-24)
Cite this article:   
Yaoping ZHANG, Daryl OSTER, Masayuki KUMADA, Jianye YU, Shengshan LI.Key vacuum technology issues to be solved in evacuated tube transportation[J]  JMT, 2011,V19(2): 110-113
http://jmt.swjtu.edu.cn/EN/10.3969/j.issn.2095-087X.2011.02.006      or     http://jmt.swjtu.edu.cn/EN/Y2011/V19/I2/110
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