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dc.contributor.authorRighi, Marcello-
dc.contributor.authorAnderegg, David-
dc.contributor.authorManfriani, Leonardo-
dc.contributor.authorAmmann, Michael-
dc.contributor.authorOram, Christian-
dc.contributor.authorYildirim, Anil-
dc.contributor.authorMartins, Joaquim R.-
dc.contributor.authorCoretti, Oier-
dc.date.accessioned2023-02-17T10:36:18Z-
dc.date.available2023-02-17T10:36:18Z-
dc.date.issued2022-06-20-
dc.identifier.isbn978-1-62410-635-4de_CH
dc.identifier.urihttps://digitalcollection.zhaw.ch/handle/11475/27077-
dc.description.abstractThis paper presents the results of the optimisation of aerofoils designed for the blades of a vertical axis wind turbine. The aerofoils are symmetrical and have thickness values of 27%, 33% and 50\%, with respect to the chord length. The aerofoils are optimised using ADflow, an open-source RANS CFD solver developed for gradient-based design optimisation. We performed two sets of optimisations and validated the optimal designs from both sets, measuring their performance in the wind tunnel. We used the first wind tunnel campaign to quantify the performance degradation caused by surface roughness and tune the turbulence model accordingly. The following optimisation runs did include at least one operational point with higher surface roughness. The outcome of the optimisation is significant, as the new aerofoils provide much better performance in terms of aerodynamic efficiency, suitability of the position of the aerodynamic centre, and sectional area. Numerical and experimental data are consistent. The results highlight the importance of capturing the fundamental physics in CFD-based design optimisation to minimise the discrepancies between the numerical predictions and experimental results with the optimal designs. Finally, the performance improvement measured experimentally of the optimal aerofoils verifies the utility of CFD-based design optimisation.de_CH
dc.language.isoende_CH
dc.publisherAmerican Institute of Aeronautics and Astronauticsde_CH
dc.rightsLicence according to publishing contractde_CH
dc.subjectAerodynamicde_CH
dc.subjectWind tunnel testde_CH
dc.subjectOptimisationde_CH
dc.subjectWind turbinede_CH
dc.subject.ddc530: Physikde_CH
dc.subject.ddc620: Ingenieurwesende_CH
dc.titleOptimisation of symmetrical aerofoils for a vertical axis wind turbinede_CH
dc.typeKonferenz: Paperde_CH
dcterms.typeTextde_CH
zhaw.departementSchool of Engineeringde_CH
zhaw.organisationalunitInstitut für Mechanische Systeme (IMES)de_CH
zhaw.organisationalunitZentrum für Aviatik (ZAV)de_CH
dc.identifier.doi10.2514/6.2022-3384de_CH
zhaw.conference.detailsAIAA AVIATION Forum, Chicago, USA, 27 June - 1 July 2022de_CH
zhaw.funding.euNode_CH
zhaw.originated.zhawYesde_CH
zhaw.publication.statuspublishedVersionde_CH
zhaw.publication.reviewPeer review (Abstract)de_CH
zhaw.title.proceedingsAIAA AVIATION 2022 Forumde_CH
zhaw.webfeedAerodynamicsde_CH
zhaw.funding.zhawAGILE Wind Tunnel Testingde_CH
zhaw.author.additionalNode_CH
zhaw.display.portraitYesde_CH
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Righi, M., Anderegg, D., Manfriani, L., Ammann, M., Oram, C., Yildirim, A., Martins, J. R., & Coretti, O. (2022, June 20). Optimisation of symmetrical aerofoils for a vertical axis wind turbine. AIAA AVIATION 2022 Forum. https://doi.org/10.2514/6.2022-3384
Righi, M. et al. (2022) ‘Optimisation of symmetrical aerofoils for a vertical axis wind turbine’, in AIAA AVIATION 2022 Forum. American Institute of Aeronautics and Astronautics. Available at: https://doi.org/10.2514/6.2022-3384.
M. Righi et al., “Optimisation of symmetrical aerofoils for a vertical axis wind turbine,” in AIAA AVIATION 2022 Forum, Jun. 2022. doi: 10.2514/6.2022-3384.
RIGHI, Marcello, David ANDEREGG, Leonardo MANFRIANI, Michael AMMANN, Christian ORAM, Anil YILDIRIM, Joaquim R. MARTINS und Oier CORETTI, 2022. Optimisation of symmetrical aerofoils for a vertical axis wind turbine. In: AIAA AVIATION 2022 Forum. Conference paper. American Institute of Aeronautics and Astronautics. 20 Juni 2022. ISBN 978-1-62410-635-4
Righi, Marcello, David Anderegg, Leonardo Manfriani, Michael Ammann, Christian Oram, Anil Yildirim, Joaquim R. Martins, and Oier Coretti. 2022. “Optimisation of Symmetrical Aerofoils for a Vertical Axis Wind Turbine.” Conference paper. In AIAA AVIATION 2022 Forum. American Institute of Aeronautics and Astronautics. https://doi.org/10.2514/6.2022-3384.
Righi, Marcello, et al. “Optimisation of Symmetrical Aerofoils for a Vertical Axis Wind Turbine.” AIAA AVIATION 2022 Forum, American Institute of Aeronautics and Astronautics, 2022, https://doi.org/10.2514/6.2022-3384.


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