Research Article
Oct 1971
Flowgraph Analysis of Pipeline Networks
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VIEW THE REPLYAuthors: Thorleif Enger and Chuan C. Feng, F.ASCEAuthor Affiliations
Publication: Journal of the Hydraulics Division
Volume 97, Issue 10
Abstract
A flowgraph can be considered as a new kind of notation which provides a precise, easily visualized description of a physical system. The functional relations can be explicitly expressed dependent only on the topology giving identical algebraic solutions to systems with isomorphic flowgraphs. The flow graph representation of the pipeline network can be obtained directly on inspection of the network by making use of proper transformations. It is analyzed by the topological solution algorithm derived from the feedback theory, and the flowgraph solution explicitly expresses the functional relationships between mesh flows and junction head values, the variables chosen. Nonlinear network problems can be solved by linear approximation. Sensitivity analysis can be done to aid in the design of pipe dimensions. The method is amenable for solution by computer aids.
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Published In
Journal of the Hydraulics Division
Volume 97 • Issue 10 • October 1971
Pages: 1607 - 1624
Copyright
© 1971 American Society of Civil Engineers.
History
Published in print: Oct 1971
Published online: Feb 3, 2021
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Authors
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Thorleif Enger
Res. Engr., Shell Pipe Line Corp., Houston, TX, USA
Chuan C. Feng, F.ASCE
Prof. of Civ. Engrg., Univ. of Colorado, Boulder, CO, USA
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