The process of pressure reduction and gas leakage rate (discharge characteristics) of a hole has so far been accomplished by utilizing some zero-dimensional models. In these models, the effects of complex boundaries are ignored. The major aim of this study is simulating the process of pipeline gas leakage by the aid of a modified one-dimensional characteristics model. This model, beside the possibility of modeling the impact of leakage on one-dimensional compressible flow, benefits from introducing a variety of boundary conditions to flow zone. In this approach, hole is considered as an orifice, which makes a path for gas to release in a lower pressure ambient. Also, in this study, the effects of four kinds of boundary conditions at the ends of the pipeline on gas discharge characteristics are investigated.
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June 2012
Technical Briefs
Simulation of Gas Pipelines Leakage Using Modified Characteristics Method
E. Nourollahi,
E. Nourollahi
Graduate Student
Faculty of Engineering,
Ferdowsi University of Mashhad
, P.O. Box No. 91775-1111, Mashhad, Iran
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A. B. Rahimi,
A. B. Rahimi
Professor
Faculty of Engineering,
e-mail: rahimiab@yahoo.com
Ferdowsi University of Mashhad
, P.O. Box No. 91775-1111, Mashhad, Iran
Search for other works by this author on:
E. Davarpanah
E. Davarpanah
Graduate Student
Faculty of Engineering,
Ferdowsi University of Mashhad
, P.O. Box No. 91775-1111, Mashhad, Iran
Search for other works by this author on:
E. Nourollahi
Graduate Student
Faculty of Engineering,
Ferdowsi University of Mashhad
, P.O. Box No. 91775-1111, Mashhad, Iran
A. B. Rahimi
Professor
Faculty of Engineering,
Ferdowsi University of Mashhad
, P.O. Box No. 91775-1111, Mashhad, Iran
e-mail: rahimiab@yahoo.com
E. Davarpanah
Graduate Student
Faculty of Engineering,
Ferdowsi University of Mashhad
, P.O. Box No. 91775-1111, Mashhad, Iran
J. Energy Resour. Technol. Jun 2012, 134(2): 024501 (6 pages)
Published Online: March 6, 2012
Article history
Received:
November 21, 2009
Accepted:
December 20, 2011
Published:
March 1, 2012
Online:
March 6, 2012
Citation
Nourollahi, E., Rahimi, A. B., and Davarpanah, E. (March 6, 2012). "Simulation of Gas Pipelines Leakage Using Modified Characteristics Method." ASME. J. Energy Resour. Technol. June 2012; 134(2): 024501. https://doi.org/10.1115/1.4005697
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