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Investigation of in-pipe drag-based turbine for distributed hydropower harvesting: Modeling and optimization

Hasanzadeh, N.; Payambarpour, S. Abdolkarim; Najafi, Amir F.; Magagnato, Franco

Hydropower systems can provide a considerable proportion of sustainable and clean energy. In the
present study, the performance of a drag-based vertical axis in-pipe turbine is optimized to harvest the
existing excessive potential energy from small diameter (100 mm) pipelines more effectively. The
enhancement of the efficiency and output power of the turbine in this research makes it as a more
promising and sustainable device for distributed power generation. To achieve a comprehensive solution
all the factors affecting in-turbine performance has been taken into account simultaneously. Due to the
complicated relation between turbine design parameters and its performance, artificial neural networks
(ANN), which is a popular tool for modeling devices, has been deployed to generate a predictor model for
turbine performance. The predictor model is formed on a dataset provided by 3D transient numerical
simulations, which are validated by previous experiments. The optimization analysis is based on the in-
pipe turbine non-dimensional variables, which are introduced to provide more simplification. For the
particular water head loss less than 5 m and the flow rate bounded to the typical range, the proposed in-
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DOI: 10.1016/j.jclepro.2021.126710
Zugehörige Institution(en) am KIT Institut für Strömungsmechanik (ISTM)
Publikationstyp Zeitschriftenaufsatz
Publikationsmonat/-jahr 05.2021
Sprache Englisch
Identifikator ISSN: 0959-6526
KITopen-ID: 1000131022
Erschienen in Journal of cleaner production
Verlag Elsevier
Band 298
Seiten Article no: 126710
Nachgewiesen in Scopus
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