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Improved Planning of Energy Recovery in Water Systems Using a New Analytic Approach to PAT Performance Curves

doi: 10.3390/w12020468
handle: 10251/192675
The use of pumps working as turbines (PATs) to improve the energy efficiency of water networks has been studied in the last years. This recovery system is justified due to a low investment contrasting with the capacity to take advantage in certain points with low and medium recoverable heads. Analyses of water systems using simulation software and/or optimization algorithms need the characteristic curves (head and efficiency) of the machines, which should be known with minor error by the water managers. The knowledge of the best efficiency point (BEP) as a turbine is one of the major limitations when the user wants to choose PATs. In this sense, the present research defines new approach equations to estimate the BEP of the PAT, as well as to predict the characteristic curves, comparing the results with the rest of the published methods. The comparison demonstrated that the new proposal reduced the error indexes, improved the R2 and increased the accuracy of the error ellipse using an experimental database of 181 different PATs.
- Universitat Politècnica de València Spain
- Instituto Superior de Espinho Portugal
- University of Lisbon Portugal
INGENIERIA HIDRAULICA, characteristic curve, 09.- Desarrollar infraestructuras resilientes, promover la industrialización inclusiva y sostenible, y fomentar la innovación, BEP prediction, 13.- Tomar medidas urgentes para combatir el cambio climático y sus efectos, TD201-500, energy efficiency, Water supply for domestic and industrial purposes, 06.- Garantizar la disponibilidad y la gestión sostenible del agua y el saneamiento para todos, Hydraulic engineering, PATs, Characteristic curve, Energy efficiency, INGENIERIA AGROFORESTAL, bep prediction, TC1-978, pats
INGENIERIA HIDRAULICA, characteristic curve, 09.- Desarrollar infraestructuras resilientes, promover la industrialización inclusiva y sostenible, y fomentar la innovación, BEP prediction, 13.- Tomar medidas urgentes para combatir el cambio climático y sus efectos, TD201-500, energy efficiency, Water supply for domestic and industrial purposes, 06.- Garantizar la disponibilidad y la gestión sostenible del agua y el saneamiento para todos, Hydraulic engineering, PATs, Characteristic curve, Energy efficiency, INGENIERIA AGROFORESTAL, bep prediction, TC1-978, pats
citations This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).32 popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.Top 10% influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).Top 10% impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.Top 10% visibility views 49 download downloads 64 - 49views64downloads
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