Preprints
https://doi.org/10.5194/wes-2024-187
https://doi.org/10.5194/wes-2024-187
23 Jan 2025
 | 23 Jan 2025
Status: a revised version of this preprint was accepted for the journal WES and is expected to appear here in due course.

Brief communication: An elliptical parameterisation of the wind direction rose

Edward Hart

Abstract. This brief communication presents a parametric model for the wind direction rose, based on ellipse geometry. Such a model supports standardisation and identification of generally representative cases, while also enabling systematic analyses of wind rose “shape” impacts on the benefits of proposed wind farm design and control innovations. Formulations include analytical wind direction rose modelling, model fitting to measured data via gradient descent minimisation of sum-of-square errors, and goodness-of-fit measures. Testing on wind direction data from real offshore wind farms confirms good performance, indicating this parametric model is useful to wind energy research and development efforts.

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Edward Hart

Status: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on wes-2024-187', Anonymous Referee #1, 17 Feb 2025
    • AC1: 'Reply on RC1', Edward Hart, 20 Feb 2025
  • RC2: 'Comment on wes-2024-187', Anonymous Referee #2, 19 Mar 2025
    • AC2: 'Reply on RC2', Edward Hart, 27 Mar 2025

Status: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on wes-2024-187', Anonymous Referee #1, 17 Feb 2025
    • AC1: 'Reply on RC1', Edward Hart, 20 Feb 2025
  • RC2: 'Comment on wes-2024-187', Anonymous Referee #2, 19 Mar 2025
    • AC2: 'Reply on RC2', Edward Hart, 27 Mar 2025
Edward Hart
Edward Hart

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Short summary
A parametric model for the wind direction rose is presented, with testing on real offshore wind farm data indicating the model is indeed representative. The presented model provides opportunities for standardisation and enables more systematic analyses of wind direction impacts and sensitivities.
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