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Evaluating the effect of a ducted winglet on the induced drag of wind turbine blade using CFD and Trefftz plane analysis

Jakub Vincalek, Sean Walton Orcid Logo, Ben Evans Orcid Logo, JAKUB VINCALEK

Engineering with Computers

Swansea University Authors: Jakub Vincalek, Sean Walton Orcid Logo, Ben Evans Orcid Logo, JAKUB VINCALEK

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DOI (Published version): 10.1007/s00366-023-01817-8

Abstract

A novel patented ducted winglet design is compared, using numerical simulations, to an unmodified wing tip and a standard winglet in the context of a wind turbine blade. The aim of the ducted winglet is to reduce the induced drag. This reduction of induced drag, at the wing tip, would be particularl...

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Published in: Engineering with Computers
ISSN: 0177-0667 1435-5663
Published: Springer Science and Business Media LLC
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URI: https://cronfa.swan.ac.uk/Record/cronfa63146
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The aim of the ducted winglet is to reduce the induced drag. This reduction of induced drag, at the wing tip, would be particularly beneficial to wind turbine performance. Throughout the comparison, we explore the aerodynamic phenomena described in the patent which claim to explain how the ducted winglet reduces induced drag. The simulations were run using a CFD solver, FLITE3D, that has been thoroughly validated on industrial scale aerodynamic problems. A mesh convergence study was carried out to ensure that the results have sufficient numerical accuracy for a consistent ranking with respect to the lift-to-drag ratio. A Trefftz plane analysis is conducted to measure the effect of the duct on induced drag. To the best of our knowledge, this is the first time that such a ducted design is tested in this context and compared to a standard unmodified blade and winglet. We found that the ducted winglet has a higher lift-to-drag ratio than an unmodified wing tip, but lower than a non-ducted winglet. Despite this, there is clear evidence that the duct had a positive influence on the induced drag. 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The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder.</documentNotes><copyrightCorrect>true</copyrightCorrect><language>eng</language><licence>http://creativecommons.org/licenses/by/4.0/</licence></document></documents><OutputDurs/></rfc1807>
spelling v2 63146 2023-04-14 Evaluating the effect of a ducted winglet on the induced drag of wind turbine blade using CFD and Trefftz plane analysis b62486f17abbb685a2012b729dc70376 Jakub Vincalek Jakub Vincalek true false 0ec10d5e3ed3720a2d578417a894cf49 0000-0002-6451-265X Sean Walton Sean Walton true false 3d273fecc8121fe6b53b8fe5281b9c97 0000-0003-3662-9583 Ben Evans Ben Evans true false 48423aa25d77fa20b4a993d476f8ffdb JAKUB VINCALEK JAKUB VINCALEK true false 2023-04-14 FGSEN A novel patented ducted winglet design is compared, using numerical simulations, to an unmodified wing tip and a standard winglet in the context of a wind turbine blade. The aim of the ducted winglet is to reduce the induced drag. This reduction of induced drag, at the wing tip, would be particularly beneficial to wind turbine performance. Throughout the comparison, we explore the aerodynamic phenomena described in the patent which claim to explain how the ducted winglet reduces induced drag. The simulations were run using a CFD solver, FLITE3D, that has been thoroughly validated on industrial scale aerodynamic problems. A mesh convergence study was carried out to ensure that the results have sufficient numerical accuracy for a consistent ranking with respect to the lift-to-drag ratio. A Trefftz plane analysis is conducted to measure the effect of the duct on induced drag. To the best of our knowledge, this is the first time that such a ducted design is tested in this context and compared to a standard unmodified blade and winglet. We found that the ducted winglet has a higher lift-to-drag ratio than an unmodified wing tip, but lower than a non-ducted winglet. Despite this, there is clear evidence that the duct had a positive influence on the induced drag. Our results show that with future optimisation this ducted winglet may prove beneficial to wind turbine design. Journal Article Engineering with Computers 0 Springer Science and Business Media LLC 0177-0667 1435-5663 Wind turbine blade, Computational fluid dynamics, Engineering design, Wing tip vortices, Wing wake, Induced drag 0 0 0 0001-01-01 10.1007/s00366-023-01817-8 http://dx.doi.org/10.1007/s00366-023-01817-8 COLLEGE NANME Science and Engineering - Faculty COLLEGE CODE FGSEN Swansea University SU Library paid the OA fee (TA Institutional Deal) EPSRC (EP/S021892/1) 2023-05-24T16:40:28.1166660 2023-04-14T09:33:48.6670751 Faculty of Science and Engineering School of Mathematics and Computer Science - Computer Science Jakub Vincalek 1 Sean Walton 0000-0002-6451-265X 2 Ben Evans 0000-0003-3662-9583 3 JAKUB VINCALEK 4 63146__27434__c65a78b1d0654acda98c7da57123af50.pdf 63146.pdf 2023-05-11T12:00:47.8911640 Output 4344891 application/pdf Version of Record true Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. true eng http://creativecommons.org/licenses/by/4.0/
title Evaluating the effect of a ducted winglet on the induced drag of wind turbine blade using CFD and Trefftz plane analysis
spellingShingle Evaluating the effect of a ducted winglet on the induced drag of wind turbine blade using CFD and Trefftz plane analysis
Jakub Vincalek
Sean Walton
Ben Evans
JAKUB VINCALEK
title_short Evaluating the effect of a ducted winglet on the induced drag of wind turbine blade using CFD and Trefftz plane analysis
title_full Evaluating the effect of a ducted winglet on the induced drag of wind turbine blade using CFD and Trefftz plane analysis
title_fullStr Evaluating the effect of a ducted winglet on the induced drag of wind turbine blade using CFD and Trefftz plane analysis
title_full_unstemmed Evaluating the effect of a ducted winglet on the induced drag of wind turbine blade using CFD and Trefftz plane analysis
title_sort Evaluating the effect of a ducted winglet on the induced drag of wind turbine blade using CFD and Trefftz plane analysis
author_id_str_mv b62486f17abbb685a2012b729dc70376
0ec10d5e3ed3720a2d578417a894cf49
3d273fecc8121fe6b53b8fe5281b9c97
48423aa25d77fa20b4a993d476f8ffdb
author_id_fullname_str_mv b62486f17abbb685a2012b729dc70376_***_Jakub Vincalek
0ec10d5e3ed3720a2d578417a894cf49_***_Sean Walton
3d273fecc8121fe6b53b8fe5281b9c97_***_Ben Evans
48423aa25d77fa20b4a993d476f8ffdb_***_JAKUB VINCALEK
author Jakub Vincalek
Sean Walton
Ben Evans
JAKUB VINCALEK
author2 Jakub Vincalek
Sean Walton
Ben Evans
JAKUB VINCALEK
format Journal article
container_title Engineering with Computers
container_volume 0
institution Swansea University
issn 0177-0667
1435-5663
doi_str_mv 10.1007/s00366-023-01817-8
publisher Springer Science and Business Media LLC
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Mathematics and Computer Science - Computer Science{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Mathematics and Computer Science - Computer Science
url http://dx.doi.org/10.1007/s00366-023-01817-8
document_store_str 1
active_str 0
description A novel patented ducted winglet design is compared, using numerical simulations, to an unmodified wing tip and a standard winglet in the context of a wind turbine blade. The aim of the ducted winglet is to reduce the induced drag. This reduction of induced drag, at the wing tip, would be particularly beneficial to wind turbine performance. Throughout the comparison, we explore the aerodynamic phenomena described in the patent which claim to explain how the ducted winglet reduces induced drag. The simulations were run using a CFD solver, FLITE3D, that has been thoroughly validated on industrial scale aerodynamic problems. A mesh convergence study was carried out to ensure that the results have sufficient numerical accuracy for a consistent ranking with respect to the lift-to-drag ratio. A Trefftz plane analysis is conducted to measure the effect of the duct on induced drag. To the best of our knowledge, this is the first time that such a ducted design is tested in this context and compared to a standard unmodified blade and winglet. We found that the ducted winglet has a higher lift-to-drag ratio than an unmodified wing tip, but lower than a non-ducted winglet. Despite this, there is clear evidence that the duct had a positive influence on the induced drag. Our results show that with future optimisation this ducted winglet may prove beneficial to wind turbine design.
published_date 0001-01-01T16:40:26Z
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score 11.013148

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