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RESEARCH PAPERS

Decompression of Gas Pipelines During Longitudinal Ductile Fractures

[+] Author and Article Information
G. G. King

Williams Brothers Canada Limited, Calgary, Alberta, Canada

J. Energy Resour. Technol 101(1), 66-73 (Mar 01, 1979) (8 pages) doi:10.1115/1.3446864 History: Received August 01, 1978; Revised December 19, 1978; Online August 19, 2010

Abstract

An understanding is given of how gas pipelines decompress when they burst and fail longitudinally in a ductile mode. Transient gas flow equations expressing conservation of mass, momentum and energy are used to develop simple and realistic equations for gas pressure decay with time at a moving longitudinal ductile fracture. Gas thermo-dynamic properties and two-phase behavior are discussed. Friction and heat flux affect gas decompression and influence design to control longitudinal ductile fractures in gas pipelines.

Copyright © 1979 by ASME
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