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Burst Tests for High-Pressure Hydrogen Gas Line Pipes

[+] Author Affiliations
Shuji Aihara, Kei Misawa, Yasuhito Imai

The University of Tokyo, Tokyo, Japan

Erling O̸stby, Hans I. Lange

SINTEF, Trondheim, Norway

Christian Thaulow

Norwegian University of Science and Technology, Trondheim, Norway

Paper No. IPC2008-64166, pp. 117-125; 9 pages
doi:10.1115/IPC2008-64166
From:
  • 2008 7th International Pipeline Conference
  • 2008 7th International Pipeline Conference, Volume 3
  • Calgary, Alberta, Canada, September 29–October 3, 2008
  • Conference Sponsors: International Petroleum Technology Institute and the Pipeline Division
  • ISBN: 978-0-7918-4859-3 | eISBN: 798-0-7918-3835-8
  • Copyright © 2008 by ASME

abstract

Burst tests of line pipes containing high-pressure hydrogen and methane gas were conducted. The pipes tested were X65 ERW pipes with 267mm outer diameter and 6mm wall thickness. Applied pressures were 12 and 15MPa. A 300mm long crack was initiated by a shaped charge. Unstable shear fracture propagated at velocity of approximately 200m/s and then arrested. It was demonstrated that the arrested crack lengths were shorter in the hydrogen gas burst tests than methane gas burst tests. Pressure measurement indicated that decompression wave in hydrogen gas propagated faster than that in methane gas. This is the primary reason to the shorter arrested crack lengths for the hydrogen gas burst tests. The test results are discussed based on numerical analyses of gas decompression behaviors.

Copyright © 2008 by ASME

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