Node Flow Analysis Distribution Systems

by Pramod R. Bhave, Prof.; Visvesvaraya Regional College of Engrg., Nagpur, India,

Serial Information: Transportation Engineering Journal of ASCE, 1981, Vol. 107, Issue 4, Pg. 457-467

Document Type: Journal Paper


Various techniques presently available for the analysis of water distribution systems, called node head analysis (NHA) techniques, analyze the distribution systems, assuming that the nodal demands can be satisfied by providing additional source heads or boosting pressures, if necessary. When such additional heads or pressures are not available, some consumption nodes fail, partially or completely, to satisfy the nodal demands. To locate such nodes and to estimate the actual nodal supplies, an approach termed node flow analysis (NFA) is developed herein. The NFA problem is considered a flow optimization problem with linear and nonlinear constraints, some being alternate constraints. The solution approach is based on repetitive NHA of the distribution system. The necessary theory for NFA is described, and the procedure is developed and illustrated through a design example.

Subject Headings: Flow distribution | Head (fluid mechanics) | Water supply systems | System analysis | Water pressure | Pressure distribution | Linear flow | Linear functions

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