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Numerical Simulation of the Diffusion of Natural Gas Due to Pipeline Failure

[+] Author Affiliations
Yanlei Liu, Jinyang Zheng

Zhejiang University, Hangzhou, Zhejiang, China

Paper No. PVP2007-26519, pp. 319-325; 7 pages
  • ASME 2007 Pressure Vessels and Piping Conference
  • Volume 7: Operations, Applications and Components
  • San Antonio, Texas, USA, July 22–26, 2007
  • Conference Sponsors: Pressure Vessels and Piping Division
  • ISBN: 0-7918-4285-1 | eISBN: 0-7918-3804-8
  • Copyright © 2007 by ASME


This paper introduces a numerical method to calculate the diffusion of natural gas due to pipeline failure, which provides an effective base for solving the problems of leakage of natural gas. A finite volumetric model and the corresponding numerical algorithm are established by using species transport and reaction module of FLUENT. In this method, several important parameters such as the mole fraction of components, pressure and temperature distributions within the calculating region are predicted to certain accuracy. Based on numerical results, the key factors affecting the natural gas diffusion such as the diameter of the hole and wind speed are also analyzed. The current study presents a clear view in dealing with the leakage of natural gas due to pipeline failure.

Copyright © 2007 by ASME



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