Calibration analysis considering leakage applied to existing water supply systems / Calibração de modelos hidráulicos de redes de abastecimento de água de sistemas reais admitindo vazamentos

AUTOR(ES)

Fernando Colombo

DATA DE PUBLICAÇÃO

2007

RESUMO

Considering the need for more effective control of water supply distribution systems, the calibration constitutes fundamental step to guarantee that the system behavior under several operational conditions can be reproduced. Instead of the importance of calibration and the variety of models built by the academy for this purpose, this practice has not been broadly used by the water industry, which demonstrates certain reluctance regards the use of mathematical models. It is interesting, hence, that existing models are intensively tested in real systems to establish guidelines and consequent confidence in their use. The present research focused on the study of a model especially built for the calibration of water supply systems, through which it is possible identify field variables such as roughness, diameters, parameters of leakage model, etc. The model is comprehensive enough to incorporate leakage and pressure driven demands. Two study cases were analyzed supported by the model and discussed the reasons by which disagreement between simulated and observed data were verified, instead of the consistency of results produced by simulation. Some recommendations are made to become practical this kind of study as useful tool for the water industry.

ASSUNTO(S)

calibration leakage existing networks water distribution network redes de distribuição de água calibração vazamentos redes reais

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