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Journal of Applied Mathematics
Volume 2014, Article ID 542343, 11 pages
http://dx.doi.org/10.1155/2014/542343
Research Article

Numerical Investigation of Gas Mixture Length of Nitrogen Replacement in Large-Diameter Natural Gas Pipeline without Isolator

1State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu, Sichuan 610500, China
2Petroleum Engineering Institute, Southwest Petroleum University, Chengdu, Sichuan 610500, China

Received 6 December 2013; Accepted 15 February 2014; Published 25 March 2014

Academic Editor: M. Montaz Ali

Copyright © 2014 Hongjun Zhu and Qinghua Han. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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