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Wind Turbine Tip Vortices under the influence of Wind Tunnel Blockage Effects

R. Soto-Valle, J. Alber, Marinos Manolesos, C. N. Nayeri, C. O. Paschereit

Journal of Physics: Conference Series, Volume: 1618, Start page: 032045

Swansea University Author: Marinos Manolesos

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DOI (Published version): 10.1088/1742-6596/1618/3/032045

Abstract

The current paper describes the characteristics of the tip vortex in the near wake of a three-bladed upwind horizontal axis wind turbine with a rotor diameter of 3 m. Phase-locked stereo particle image velocimetry measurements were carried out under the influence of the wind tunnel walls that create...

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Published in: Journal of Physics: Conference Series
ISSN: 1742-6588 1742-6596
Published: IOP Publishing 2020
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URI: https://cronfa.swan.ac.uk/Record/cronfa55452
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first_indexed 2020-10-19T11:31:17Z
last_indexed 2020-12-15T04:18:52Z
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spelling 2020-12-14T14:33:17.0068227 v2 55452 2020-10-19 Wind Turbine Tip Vortices under the influence of Wind Tunnel Blockage Effects 44a3e0d351ccd7a8365d5fc7c50c8778 Marinos Manolesos Marinos Manolesos true false 2020-10-19 FGSEN The current paper describes the characteristics of the tip vortex in the near wake of a three-bladed upwind horizontal axis wind turbine with a rotor diameter of 3 m. Phase-locked stereo particle image velocimetry measurements were carried out under the influence of the wind tunnel walls that create a high blockage ratio. The location of the vortex, convection velocity, core radius, and strength were investigated and compared with similar investigations, including different blockages cases. Additionally, the same performance of the wind turbine model was simulated in the open source wind turbine tool QBlade, using the lifting line free vortex wake module in the absence of the walls.The results showed that the location of the tip vortices was more inboard the tip and more downstream the tunnel compared to the simulations and similar experiments. The convection velocity remained similar in the axial direction and changed in the lateral direction, contributing to the delay of the movement of the tip vortex outboard the tip. The strength, based on the circulation, was found with a difference of 4% between simulation and experiment. Journal Article Journal of Physics: Conference Series 1618 032045 IOP Publishing 1742-6588 1742-6596 22 9 2020 2020-09-22 10.1088/1742-6596/1618/3/032045 COLLEGE NANME Science and Engineering - Faculty COLLEGE CODE FGSEN Swansea University 2020-12-14T14:33:17.0068227 2020-10-19T12:29:01.8290174 Faculty of Science and Engineering School of Engineering and Applied Sciences - Uncategorised R. Soto-Valle 1 J. Alber 2 Marinos Manolesos 3 C. N. Nayeri 4 C. O. Paschereit 5 55452__18450__971772438105487abbca953bfaa1e196.pdf 55452.pdf 2020-10-19T12:30:44.0511765 Output 4910133 application/pdf Version of Record true Released under the terms of a Creative Commons Attribution 3.0 license true eng http://creativecommons.org/licenses/by/3.0
title Wind Turbine Tip Vortices under the influence of Wind Tunnel Blockage Effects
spellingShingle Wind Turbine Tip Vortices under the influence of Wind Tunnel Blockage Effects
Marinos Manolesos
title_short Wind Turbine Tip Vortices under the influence of Wind Tunnel Blockage Effects
title_full Wind Turbine Tip Vortices under the influence of Wind Tunnel Blockage Effects
title_fullStr Wind Turbine Tip Vortices under the influence of Wind Tunnel Blockage Effects
title_full_unstemmed Wind Turbine Tip Vortices under the influence of Wind Tunnel Blockage Effects
title_sort Wind Turbine Tip Vortices under the influence of Wind Tunnel Blockage Effects
author_id_str_mv 44a3e0d351ccd7a8365d5fc7c50c8778
author_id_fullname_str_mv 44a3e0d351ccd7a8365d5fc7c50c8778_***_Marinos Manolesos
author Marinos Manolesos
author2 R. Soto-Valle
J. Alber
Marinos Manolesos
C. N. Nayeri
C. O. Paschereit
format Journal article
container_title Journal of Physics: Conference Series
container_volume 1618
container_start_page 032045
publishDate 2020
institution Swansea University
issn 1742-6588
1742-6596
doi_str_mv 10.1088/1742-6596/1618/3/032045
publisher IOP Publishing
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 Engineering and Applied Sciences - Uncategorised{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Uncategorised
document_store_str 1
active_str 0
description The current paper describes the characteristics of the tip vortex in the near wake of a three-bladed upwind horizontal axis wind turbine with a rotor diameter of 3 m. Phase-locked stereo particle image velocimetry measurements were carried out under the influence of the wind tunnel walls that create a high blockage ratio. The location of the vortex, convection velocity, core radius, and strength were investigated and compared with similar investigations, including different blockages cases. Additionally, the same performance of the wind turbine model was simulated in the open source wind turbine tool QBlade, using the lifting line free vortex wake module in the absence of the walls.The results showed that the location of the tip vortices was more inboard the tip and more downstream the tunnel compared to the simulations and similar experiments. The convection velocity remained similar in the axial direction and changed in the lateral direction, contributing to the delay of the movement of the tip vortex outboard the tip. The strength, based on the circulation, was found with a difference of 4% between simulation and experiment.
published_date 2020-09-22T04:09:40Z
_version_ 1763753674943758336
score 11.013148

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