الفهرس Only 14 pages are availabe for public view
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Abstract
The problem of design and analysis the hydraulic network arc studied in the present study. ¬The present study will focus on numerical modelling analysis of water network. The mathematical model provides two separate scenarios. The first one is to design water network by determining the diameter of pipe network for every branch and complete now, pressure and head losses profiles in the new network. The second scenario is to simulate the now characteristics in existing network. The presence of leakage reaction in this model gives a true comparison with field conditions. Leakage from a distribution ’system can be controlled by regulating the pressure by partially closing the valves. The selection or the booster pump location and its .required pressure is an additional output result in this model. The model input data is collected from the field.. The effect of ground levels is considered in both simulation and determining the diameter of pipe network. The solution is obtained by applying the Gaussian Elimination Method in the determining the diameter of pipe network. The Newton Raphson Method to solve N- linear equations is used for the simulation of existing pipeline. In the present study, the details of the case studies provide the complete technical geographical and hydraulic information for the water network which was used to run the model. El Fayoum water networks were used as case studies. The selected cases studies were varied pressure, consumptions, flow passes and to determine the diameter. The present model was calibrated to the hydraulic and operational data collection during the data collected from the field. The model verification and discussion provides a complete comparison between the model results and the measured now characteristics from the field. Also, EPANET Program is used to verify the model results. The results gained from design of water network by determining the diameter of pipe network were applied on EPANET program to examine that
the calculated diameter of the pipe networks achieved the flow. pressure requirements. The model is able to analyze pipe networks in steady state conditions and provides now characteristics in all parts of pipe networks. The model can minimize leakage effects by controlling the pressure and determination of the booster pump location taking into consideration the ground profile. Several additional research topic areas are needed to be considered to improve the utilities of the proposed model.