Establishing a robust testing approach for displacement measurement on a rotating horizontal-axis wind turbine

Najafi, Nadia; Vesth, Allan

doi:https://doi.org/10.5194/wes-3-301-2018

Articles | Volume 3, issue 1

https://doi.org/10.5194/wes-3-301-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/wes-3-301-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 3, issue 1

Research article

|

28 May 2018

Research article |

| 28 May 2018

Establishing a robust testing approach for displacement measurement on a rotating horizontal-axis wind turbine

Nadia Najafi and Allan Vesth

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Final revised paper (published on 28 May 2018)
Preprint (discussion started on 27 Nov 2017)

Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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- Supplement

RC1: 'Review of "Establishing a robust testing approach for displacement measurement on a rotating horizontal axis wind turbine"', Anonymous Referee #1, 10 Dec 2017
- AC1: 'Point to point response to reviewer 1', Nadia Najafi, 11 Feb 2018
RC2: 'Comments for the corresponding authors', Anonymous Referee #2, 03 Jan 2018
- AC2: 'Point to point response to reviewers 2', Nadia Najafi, 11 Feb 2018
RC3: 'Establishing a robust testing approach for displacement measurement on a rotating horizontal axis wind turbine', Anonymous Referee #3, 04 Jan 2018
- AC3: 'Point to point response to reviewers 3', Nadia Najafi, 11 Feb 2018

Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision

AR by Nadia Najafi on behalf of the Authors (11 Feb 2018) Author's response Manuscript

ED: Referee Nomination & Report Request started (20 Feb 2018) by Luciano Castillo

RR by Dmitri Tcherniak (22 Feb 2018)

RR by Anonymous Referee #3 (14 Mar 2018)

ED: Publish as is (20 Mar 2018) by Luciano Castillo

ED: Publish subject to technical corrections (26 Mar 2018) by Gerard J.W. van Bussel (Chief editor)

AR by Nadia Najafi on behalf of the Authors (03 Apr 2018) Manuscript

Short summary

This paper presents a well-defined procedure for measuring the displacement on a HAWT via stereo photometry. The method is demonstrated by measuring displacement during operation of a scaled down turbine model. The method is developed in (1) camera calibration and (2) tracking algorithm. We introduce an efficient, easy and practical calibration method for measurement in the large field of views that is always a challenge. Tracking algorithm also tracks the markers during rotation successfully.