Articles | Volume 3, issue 2
https://doi.org/10.5194/wes-3-545-2018
https://doi.org/10.5194/wes-3-545-2018
Research article
 | 
22 Aug 2018
Research article |  | 22 Aug 2018

Dynamic inflow effects in measurements and high-fidelity computations

Georg Raimund Pirrung and Helge Aagaard Madsen

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Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
AR by Georg Raimund Pirrung on behalf of the Authors (13 Apr 2018)  Author's response   Manuscript 
ED: Referee Nomination & Report Request started (24 Apr 2018) by Raúl Bayoán Cal
RR by Anonymous Referee #2 (29 Apr 2018)
RR by Anonymous Referee #1 (16 May 2018)
ED: Publish subject to minor revisions (review by editor) (04 Jun 2018) by Raúl Bayoán Cal
AR by Georg Raimund Pirrung on behalf of the Authors (14 Jun 2018)  Author's response   Manuscript 
ED: Publish subject to minor revisions (review by editor) (05 Jul 2018) by Raúl Bayoán Cal
AR by Georg Raimund Pirrung on behalf of the Authors (26 Jul 2018)  Author's response   Manuscript 
ED: Publish as is (27 Jul 2018) by Raúl Bayoán Cal
ED: Publish as is (06 Aug 2018) by Joachim Peinke (Chief editor)
AR by Georg Raimund Pirrung on behalf of the Authors (07 Aug 2018)
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Short summary
A wind turbine sees an overshoot in loading after a step change in pitch angle because the wake takes some time to reach a new equilibrium. The time constants of this dynamic inflow effect are expected to decrease significantly towards the blade tip. This radial dependency has not been found to the expected extent in previous analyses of force measurements from the NASA Ames Phase VI experiment. In the present article the findings from the experiment are explained based on a simple vortex model.
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