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Title: Energy recovery in water networks: numerical decision support tool for optimal site and selection of micro turbines
Author: Coelho, Bernardete
Andrade-Campos, António
Keywords: Energy recovery
Micro hydro turbines
Site location
Turbine selection
Water supply and distribution
Issue Date: Mar-2018
Publisher: American Society of Civil Engineers
Abstract: Energy efficiency plays a large role in the sustainability effort of water utilities. In gravity-fed pipe networks that present excessive pressures, the installation of micro turbines or pumps-as-turbines for energy recovery can provide significant benefits. The main obstacles associated with this kind of solution include the high cost of implementation (equipment and installation) and the time-consuming task of searching for potential and feasible sites for the power plant implementation. In this work, a numerical methodology for the analysis of any water supply and distribution network in order to optimally locate sites for maximum energy recovery and to preliminarily select or design turbines is proposed and validated with a case study. The idea of this decision support tool is to facilitate the assessment of the potential for energy production in networks and encourage the implementation of this type of efficiency measure. The proposed approach consists of two main stages: (1) identification of potential sites for energy recovery through an optimization procedure and (2) selection of adequate types of turbine and preliminary feasibility analysis.
Peer review: yes
DOI: 10.1061/(ASCE)WR.1943-5452.0000894
ISSN: 0733-9496
Appears in Collections:TEMA - Artigos
DEM - Artigos

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