Energy recovery in a commercial building using pico-hydropower turbines: An Australian case study

Optimising energy use in systems and buildings is crucial to reduce climate change. This paper aims to address the gap in knowledge for pico-hydropower (<5 kW) that has been identified as an area of untapped potential in the water industries. A literature review and multivariate analysis are used...

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Main Authors: Sascha Thyer, Tony White
Format: Article
Language:English
Published: Elsevier 2023-06-01
Series:Heliyon
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2405844023039166
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author Sascha Thyer
Tony White
author_facet Sascha Thyer
Tony White
author_sort Sascha Thyer
collection DOAJ
description Optimising energy use in systems and buildings is crucial to reduce climate change. This paper aims to address the gap in knowledge for pico-hydropower (<5 kW) that has been identified as an area of untapped potential in the water industries. A literature review and multivariate analysis are used to find a suitable pico-hydro turbine to install into a coral reef aquarium system in a government owned facility. Key findings from the literature review are untapped potential, gaps in knowledge and global quantification of small hydropower for energy recovery, and lack of enabling data contributing to slow uptake of small hydropower. The study showed a propeller pico-hydropower turbine could be used to recover approximately 10% of the energy used for pumping water through a filtration system. At 2.3 m available head, and 90 L/s water flow, power output up to 1.124 kW was achieved. The project was economically viable with financial and non-financial benefits for the life cycle of the product. There remain sparse case studies for energy recovery using small hydropower in the scientific literature. A growing number of authors see the potential of this renewable energy technology to reduce global greenhouse gas emissions and contribute to the UN Sustainable Development Goals to provide affordable clean energy and address climate change. This study helps to shine a light on opportunities to find value from waste using a novel application of hydropower in a water industry.
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spelling doaj.art-5ee60aa4b8d64a41b586bce1e4e3b2872023-06-03T04:22:24ZengElsevierHeliyon2405-84402023-06-0196e16709Energy recovery in a commercial building using pico-hydropower turbines: An Australian case studySascha Thyer0Tony White1Great Barrier Reef Marine Park Authority, Townsville, Australia; Central Queensland University, Australia; Corresponding author. Great Barrier Reef Marine Park Authority, Townsville Australia, Australia.Member of Engineers Australia, AustraliaOptimising energy use in systems and buildings is crucial to reduce climate change. This paper aims to address the gap in knowledge for pico-hydropower (<5 kW) that has been identified as an area of untapped potential in the water industries. A literature review and multivariate analysis are used to find a suitable pico-hydro turbine to install into a coral reef aquarium system in a government owned facility. Key findings from the literature review are untapped potential, gaps in knowledge and global quantification of small hydropower for energy recovery, and lack of enabling data contributing to slow uptake of small hydropower. The study showed a propeller pico-hydropower turbine could be used to recover approximately 10% of the energy used for pumping water through a filtration system. At 2.3 m available head, and 90 L/s water flow, power output up to 1.124 kW was achieved. The project was economically viable with financial and non-financial benefits for the life cycle of the product. There remain sparse case studies for energy recovery using small hydropower in the scientific literature. A growing number of authors see the potential of this renewable energy technology to reduce global greenhouse gas emissions and contribute to the UN Sustainable Development Goals to provide affordable clean energy and address climate change. This study helps to shine a light on opportunities to find value from waste using a novel application of hydropower in a water industry.http://www.sciencedirect.com/science/article/pii/S2405844023039166Small hydropowerPico-hydropower turbineEnergy recoveryEnergy efficiencyMicro-gridRenewable energy
spellingShingle Sascha Thyer
Tony White
Energy recovery in a commercial building using pico-hydropower turbines: An Australian case study
Heliyon
Small hydropower
Pico-hydropower turbine
Energy recovery
Energy efficiency
Micro-grid
Renewable energy
title Energy recovery in a commercial building using pico-hydropower turbines: An Australian case study
title_full Energy recovery in a commercial building using pico-hydropower turbines: An Australian case study
title_fullStr Energy recovery in a commercial building using pico-hydropower turbines: An Australian case study
title_full_unstemmed Energy recovery in a commercial building using pico-hydropower turbines: An Australian case study
title_short Energy recovery in a commercial building using pico-hydropower turbines: An Australian case study
title_sort energy recovery in a commercial building using pico hydropower turbines an australian case study
topic Small hydropower
Pico-hydropower turbine
Energy recovery
Energy efficiency
Micro-grid
Renewable energy
url http://www.sciencedirect.com/science/article/pii/S2405844023039166
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