RESEARCH PAPERS: Drilling/Pipeline Transportation

An LPG Pipeline Break Flow Model

[+] Author and Article Information
T. B. Morrow

Southwest Research Institute, San Antonio, Tex. 78284

R. L. Bass

Department of Mechanical Sciences, Engineering Sciences Division, Southwest Research Institute, San Antonio, Tex. 78284

J. A. Lock

Applied Physics Division, Southwest Research Institute, San Antonio, Tex. 78284

J. Energy Resour. Technol 105(3), 379-387 (Sep 01, 1983) (9 pages) doi:10.1115/1.3230931 History: Received February 23, 1982; Revised April 15, 1983; Online October 22, 2009


An LPG pipeline break flow model has been develped to evaluate the flammability hazards associated with a pipeline rupture. The model estimates the time-dependent flow rate of LPG from a pipeline rupture, the gravity spreading of the LPG vapor layer over the ground, and the dispersion of the vapor cloud downwind of the break location. Examples of model predictions are presented to illustrate the effects of pipeline isolation valve spacing, and shutdown reaction time on the flammable cloud boundaries that could result from a partial break in a propane pipeline.

Copyright © 1983 by ASME
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