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Determination of the angle of attack on a research wind turbine rotor blade using surface pressure measurements

Rodrigo Soto-Valle, Sirko Bartholomay, Jörg Alber, Marinos Manolesos Orcid Logo, Christian Navid Nayeri, Christian Oliver Paschereit

Wind Energy Science, Volume: 5, Issue: 4, Pages: 1771 - 1792

Swansea University Author: Marinos Manolesos Orcid Logo

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DOI (Published version): 10.5194/wes-5-1771-2020

Abstract

In this paper, a method to determine the angle of attack on a wind turbine rotor blade using a chordwise pressure distribution measurement was applied. The approach used a reduced number of pressure tap data located close to the blade leading edge. The results were compared with the measurements fro...

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Published in: Wind Energy Science
ISSN: 2366-7451 2366-7451
Published: Copernicus GmbH 2020
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URI: https://cronfa.swan.ac.uk/Record/cronfa55965
first_indexed 2021-01-05T15:42:02Z
last_indexed 2021-02-04T04:14:15Z
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spelling 2021-02-03T14:51:44.0470072 v2 55965 2021-01-05 Determination of the angle of attack on a research wind turbine rotor blade using surface pressure measurements 44a3e0d351ccd7a8365d5fc7c50c8778 0000-0002-5506-6061 Marinos Manolesos Marinos Manolesos true false 2021-01-05 ACEM In this paper, a method to determine the angle of attack on a wind turbine rotor blade using a chordwise pressure distribution measurement was applied. The approach used a reduced number of pressure tap data located close to the blade leading edge. The results were compared with the measurements from three external probes mounted on the blade at different radial positions and with analytical calculations. Both experimental approaches used in this study are based on the 2-D flow assumption; the pressure tap method is an application of the thin airfoil theory, while the probe method applies geometrical and induction corrections to the measurement data.The experiments were conducted in the wind tunnel at the Hermann Föttinger Institut of the Technische Universität Berlin. The research turbine is a three-bladed upwind horizontal axis wind turbine model with a rotor diameter of 3 m. The measurements were carried out at rated conditions with a tip speed ratio of 4.35, and different yaw and pitch angles were tested in order to compare the approaches over a wide range of conditions.Results show that the pressure tap method is suitable and provides a similar angle of attack to the external probe measurements as well as the analytical calculations. This is a significant step for the experimental determination of the local angle of attack, as it eliminates the need for external probes, which affect the flow over the blade and require additional calibration. Journal Article Wind Energy Science 5 4 1771 1792 Copernicus GmbH 2366-7451 2366-7451 22 12 2020 2020-12-22 10.5194/wes-5-1771-2020 COLLEGE NANME Aerospace, Civil, Electrical, and Mechanical Engineering COLLEGE CODE ACEM Swansea University 2021-02-03T14:51:44.0470072 2021-01-05T15:39:36.5213965 Faculty of Science and Engineering School of Engineering and Applied Sciences - Uncategorised Rodrigo Soto-Valle 1 Sirko Bartholomay 2 Jörg Alber 3 Marinos Manolesos 0000-0002-5506-6061 4 Christian Navid Nayeri 5 Christian Oliver Paschereit 6 55965__18973__409406c423574348a1d3765349437a9e.pdf 55965.pdf 2021-01-05T15:41:49.4074658 Output 7886283 application/pdf Version of Record true © Author(s) 2020. This work is distributed under the Creative Commons Attribution 4.0 License true eng http://creativecommons.org/licenses/by/4.0/
title Determination of the angle of attack on a research wind turbine rotor blade using surface pressure measurements
spellingShingle Determination of the angle of attack on a research wind turbine rotor blade using surface pressure measurements
Marinos Manolesos
title_short Determination of the angle of attack on a research wind turbine rotor blade using surface pressure measurements
title_full Determination of the angle of attack on a research wind turbine rotor blade using surface pressure measurements
title_fullStr Determination of the angle of attack on a research wind turbine rotor blade using surface pressure measurements
title_full_unstemmed Determination of the angle of attack on a research wind turbine rotor blade using surface pressure measurements
title_sort Determination of the angle of attack on a research wind turbine rotor blade using surface pressure measurements
author_id_str_mv 44a3e0d351ccd7a8365d5fc7c50c8778
author_id_fullname_str_mv 44a3e0d351ccd7a8365d5fc7c50c8778_***_Marinos Manolesos
author Marinos Manolesos
author2 Rodrigo Soto-Valle
Sirko Bartholomay
Jörg Alber
Marinos Manolesos
Christian Navid Nayeri
Christian Oliver Paschereit
format Journal article
container_title Wind Energy Science
container_volume 5
container_issue 4
container_start_page 1771
publishDate 2020
institution Swansea University
issn 2366-7451
2366-7451
doi_str_mv 10.5194/wes-5-1771-2020
publisher Copernicus GmbH
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 In this paper, a method to determine the angle of attack on a wind turbine rotor blade using a chordwise pressure distribution measurement was applied. The approach used a reduced number of pressure tap data located close to the blade leading edge. The results were compared with the measurements from three external probes mounted on the blade at different radial positions and with analytical calculations. Both experimental approaches used in this study are based on the 2-D flow assumption; the pressure tap method is an application of the thin airfoil theory, while the probe method applies geometrical and induction corrections to the measurement data.The experiments were conducted in the wind tunnel at the Hermann Föttinger Institut of the Technische Universität Berlin. The research turbine is a three-bladed upwind horizontal axis wind turbine model with a rotor diameter of 3 m. The measurements were carried out at rated conditions with a tip speed ratio of 4.35, and different yaw and pitch angles were tested in order to compare the approaches over a wide range of conditions.Results show that the pressure tap method is suitable and provides a similar angle of attack to the external probe measurements as well as the analytical calculations. This is a significant step for the experimental determination of the local angle of attack, as it eliminates the need for external probes, which affect the flow over the blade and require additional calibration.
published_date 2020-12-22T07:55:34Z
_version_ 1821300735976931328
score 11.047328

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