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Revisiting the assumptions and implementation details of the BAY model for vortex generator flows
Marinos Manolesos,
G. Papadakis,
S.G. Voutsinas
Renewable Energy, Volume: 146, Pages: 1249 - 1261
Swansea University Author: Marinos Manolesos
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DOI (Published version): 10.1016/j.renene.2019.07.063
Abstract
Today, Vortex Generators (VGs) are becoming an integral part of a Wind Turbine blade design. However, the challenges involved in the computation of the flow around VGs are yet to be dealt with in a satisfactory manner. A large number of VG models for Reynolds Averaged Navier Stokes (RANS) solvers ha...
Published in: | Renewable Energy |
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ISSN: | 0960-1481 |
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Elsevier BV
2020
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URI: | https://cronfa.swan.ac.uk/Record/cronfa51068 |
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2023-02-21T16:27:01.1162185 v2 51068 2019-07-11 Revisiting the assumptions and implementation details of the BAY model for vortex generator flows 44a3e0d351ccd7a8365d5fc7c50c8778 Marinos Manolesos Marinos Manolesos true false 2019-07-11 FGSEN Today, Vortex Generators (VGs) are becoming an integral part of a Wind Turbine blade design. However, the challenges involved in the computation of the flow around VGs are yet to be dealt with in a satisfactory manner. A large number of VG models for Reynolds Averaged Navier Stokes (RANS) solvers has been proposed and, among them, the Bender–Anderson–Yagle (BAY) model (ASME Pap. FEDSM99-6919) is one of the most popular, due to its ease of use and relatively low requirements for user input. In the present paper a thorough investigation on the performance and application of the BAY model for aerodynamic VG flows is presented. A fully resolved RANS simulation is validated against experiments and then used as a benchmark for the BAY model simulations. A case relevant to wind turbines is examined, which deals with the flow past a wind turbine airfoil at Reynolds number 0.87e6. When the grid related errors are excluded, it is found that the generated vortices are weaker in the BAY model simulations than in the fully resolved computation. The latter finding is linked to an inherent deficiency of the model, which is first found in this study and which is explained in detail. Journal Article Renewable Energy 146 1249 1261 Elsevier BV 0960-1481 BAY model, RANS simulations, Vortex generator 1 2 2020 2020-02-01 10.1016/j.renene.2019.07.063 This study was performed within the AVATAR project (FP7 program of the European Union). The numerical results presented here constitute the most detailed analysis of the most commonly used Vortex Generator model, revealing inherent deficiencies and suggesting ways to overcome them. COLLEGE NANME Science and Engineering - Faculty COLLEGE CODE FGSEN Swansea University 2023-02-21T16:27:01.1162185 2019-07-11T11:36:05.6230232 Faculty of Science and Engineering School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Aerospace Engineering Marinos Manolesos 1 G. Papadakis 2 S.G. Voutsinas 3 0051068-25072019092919.pdf manolesos2019(2).pdf 2019-07-25T09:29:19.3100000 Output 5411597 application/pdf Version of Record true 2019-07-25T00:00:00.0000000 false eng |
title |
Revisiting the assumptions and implementation details of the BAY model for vortex generator flows |
spellingShingle |
Revisiting the assumptions and implementation details of the BAY model for vortex generator flows Marinos Manolesos |
title_short |
Revisiting the assumptions and implementation details of the BAY model for vortex generator flows |
title_full |
Revisiting the assumptions and implementation details of the BAY model for vortex generator flows |
title_fullStr |
Revisiting the assumptions and implementation details of the BAY model for vortex generator flows |
title_full_unstemmed |
Revisiting the assumptions and implementation details of the BAY model for vortex generator flows |
title_sort |
Revisiting the assumptions and implementation details of the BAY model for vortex generator flows |
author_id_str_mv |
44a3e0d351ccd7a8365d5fc7c50c8778 |
author_id_fullname_str_mv |
44a3e0d351ccd7a8365d5fc7c50c8778_***_Marinos Manolesos |
author |
Marinos Manolesos |
author2 |
Marinos Manolesos G. Papadakis S.G. Voutsinas |
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Renewable Energy |
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146 |
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1249 |
publishDate |
2020 |
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Swansea University |
issn |
0960-1481 |
doi_str_mv |
10.1016/j.renene.2019.07.063 |
publisher |
Elsevier BV |
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Faculty of Science and Engineering |
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description |
Today, Vortex Generators (VGs) are becoming an integral part of a Wind Turbine blade design. However, the challenges involved in the computation of the flow around VGs are yet to be dealt with in a satisfactory manner. A large number of VG models for Reynolds Averaged Navier Stokes (RANS) solvers has been proposed and, among them, the Bender–Anderson–Yagle (BAY) model (ASME Pap. FEDSM99-6919) is one of the most popular, due to its ease of use and relatively low requirements for user input. In the present paper a thorough investigation on the performance and application of the BAY model for aerodynamic VG flows is presented. A fully resolved RANS simulation is validated against experiments and then used as a benchmark for the BAY model simulations. A case relevant to wind turbines is examined, which deals with the flow past a wind turbine airfoil at Reynolds number 0.87e6. When the grid related errors are excluded, it is found that the generated vortices are weaker in the BAY model simulations than in the fully resolved computation. The latter finding is linked to an inherent deficiency of the model, which is first found in this study and which is explained in detail. |
published_date |
2020-02-01T04:02:49Z |
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1763753244468707328 |
score |
11.021648 |