Chapter
Jul 8, 2013
Using Water Quality Data From a Water Distribution Lab Model in Calibrating Computer Models
Authors: Robert "Craig" masters student Ashby [email protected] and Scott Yost [email protected]Author Affiliations
Publication: World Environmental and Water Resources Congress 2013: Showcasing the Future
Abstract
Water distribution modeling for hydraulics and water quality is an important tool for managing system performance of water utilities. Numerical models of water distribution systems have limitations in modeling real systems. A water distribution system was constructed at the University of Kentucky hydraulics lab for the purpose of investigating the performance of water distribution models. The model contains numerous hydraulic (pressure, flows) and water quality sensors for measuring travel time of a conservative tracer and can be run with unlimited configurations. This report presents a case study illustrating the results of a hydraulic calibration using both hydraulic data in terms of pressure head, water quality data in terms of travel time estimates from electrical conductivity sensors, and combinations of both. It also presents, in a case study form, an example of a small experimental system where velocity data as a basis for a calibration effort and pressure-based data as a basis for calibration effort do not converge to the same solution. Thus some engineering judgment, above purely quantitative basis, was required for optimal system calibration.
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© 2013 American Society of Civil Engineers.
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Published online: Jul 8, 2013
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Department of Civil Engineering, University of Kentucky, 354C OHR Building, Lexington, KY 40506-0281. E-mail: [email protected]
Associate Professor, Department of Civil Engineering, University of Kentucky, 354C OHR Building, Lexington, KY 40506-0281. E-mail: [email protected]
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