In situ characterization of the biological performance of a Francis turbine retrofitted with a modular guide vane

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dc.contributor.authorMartinez, Jayson J.en
dc.contributor.authorDeng, Zhiqun Danielen
dc.contributor.authorMueller, Roberten
dc.contributor.authorTitzler, Scotten
dc.contributor.departmentMechanical Engineeringen
dc.date.accessioned2020-12-07T14:12:49Zen
dc.date.available2020-12-07T14:12:49Zen
dc.date.issued2020-10-15en
dc.description.abstractThere are two strategies to lower overall project costs to an extent that will make many potential sustainable hydropower sites economically viable: (1) design standardized/modular components; (2) use advanced tools to reduce environmental evaluation costs. In this study an autonomous sensor device (Sensor Fish) was used to study a Francis turbine retrofitted with a modular guide vane. The median nadir pressures measured were 74.7, 66.6, and 56.6 kPaA for 90-, 190-, and 380-kW operating conditions respectively. These nadir pressures were compared to other Francis turbines studied using Sensor Fish and were found to be within the same range. The proportion of Sensor Fish releases with severe acceleration events (acceleration >= 95G) was also investigated. The proportion ranged from 73 to 80% (runner region), 50 to 64% (guide vane region), and 9 to 28% (draft tube region), which was within the range of the other turbines used for comparison. The Sensor Fish testing that was conducted at Hurley Dam demonstrates that the modular guide vane that was retrofitted to the existing Francis turbine is potentially a suitable replacement that can provide biological performance similar to the guide vane used with other existing Francis turbines, but with the benefit of reduced fabrication costs.en
dc.description.notesThis research was funded by the U.S. Department of Energy (DOE) Water Power Technologies Office.; The authors would like to thank Rickly Hydro and their staff, especially Ryan Cook, for graciously allowing us to conduct this study at their facility and providing field support. The study was conducted by PNNL, which is operated by Battelle for DOE under Contract DE-AC05-76RL01830.en
dc.description.sponsorshipU.S. Department of Energy (DOE) Water Power Technologies OfficeUnited States Department of Energy (DOE); DOEUnited States Department of Energy (DOE) [DE-AC05-76RL01830]en
dc.format.mimetypeapplication/pdfen
dc.identifier.doihttps://doi.org/10.1016/j.apenergy.2020.115492en
dc.identifier.eissn1872-9118en
dc.identifier.issn0306-2619en
dc.identifier.other115492en
dc.identifier.urihttp://hdl.handle.net/10919/101028en
dc.identifier.volume276en
dc.language.isoenen
dc.rightsCreative Commons Attribution 4.0 Internationalen
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en
dc.subjectSensor Fishen
dc.subjectModular hydropoweren
dc.subjectFrancis turbineen
dc.titleIn situ characterization of the biological performance of a Francis turbine retrofitted with a modular guide vaneen
dc.title.serialApplied Energyen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten
dc.type.dcmitypeStillImageen

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