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Analysis of transient PIG motion in natural gaspipeline

Published online by Cambridge University Press:  29 March 2013

Alireza Arab Solghar  and
Masoud Davoudian
Alireza Arab Solghar*
Affiliation:
Department of Mechanical Engineering, School of Engineering, Vali-e-Asr University, Rafsanjan, Iran
Masoud Davoudian
Affiliation:
Department of Mechanical Engineering, School of Engineering, Shahid Bahonar University, Kerman, Iran
*
a Corresponding author:a.arabsolghar@vru.ac.ir
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Abstract

In this study, the dynamic analysis of Pipeline Inspection Gauge (PIG) flow control innatural gas and liquid pipeline is considered. The basic equations are differential formsof the mass and linear momentum for compressible liquid and gas flows. The fluid flowequations and a linear momentum equation of the PIG are solved simultaneously using anappropriate numerical method. Solution of these nonlinear equations results in a set ofdiagrams for the variations of the fluid pressure, mass flow rate of the gas and the PIGvelocity through the pipeline. Comparing the results of mathematical model for the PIGwith the established experimental data in a segment of Ahwaz gas pipeline shows a goodagreement between the measurements and computations.

Keywords

Piggingtransient motionGas pipelinecompressible flow
Type
Research Article
Information
Mechanics & Industry , Volume 13 , Issue 5 , 2012 , pp. 293 - 300
Copyright
© AFM, EDP Sciences 2013

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