COMPUTER MODELING OF WATER-QUALITY IN LARGE MULTIPLE-SOURCE NETWORKS

A simple and efficient computer-oriented methodology is presented for use in monitoring and modeling of steady-state water quality patterns in large multiple-source networks. The method is formulated analytically as a boundary value problem from mass balance relationships. It produces an explicit solution for the supply source contribution to delivered flows, chemical concentrations, and a range of water age parameters at designated junction nodes throughout the distribution system for a specified set of operating and loading conditions. The method is robust and reliable, and it is guaranteed to converge in an expeditious manner. The wide range of capabilities and utility of the method are illustrated by using an example network.