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Preprints
https://doi.org/10.5194/wes-2022-91
https://doi.org/10.5194/wes-2022-91
10 Oct 2022
 | 10 Oct 2022
Status: this preprint was under review for the journal WES but the revision was not accepted.

Aeroelastic Validation of the Offshore Wind Energy Simulator for Vertical-Axis Wind Turbines

Kevin Ray Moore and Brandon Lee Ennis

Abstract. Vertical-axis wind turbines (VAWTs) offer some unique advantages over traditional designs, particularly for floating offshore and certain distributed wind applications. However, the modeling capabilities that exist for VAWT designs greatly lags those for the traditional horizontal-axis wind turbines (HAWTs). Differences between vertical and horizontal turbines necessitates several key additions in modeling, including the aerodynamic model, as well as solving a fundamentally different structural mesh. The Offshore Wind ENergy Simulator (OWENS) is specifically formulated to fulfill these requirements. This paper presents validation cases of this tool for modal, centrifugal, gravitational, startup, normal operation, and shutdown analyses. The aeroelastic validation is performed with increasing complexity from analytical test cases to an experimental VAWT. Validation data are taken from the Sandia National Laboratories 34 meter research turbine. The results of the validation cases are presented and examined.

Publisher's note: Copernicus Publications remains neutral with regard to jurisdictional claims made in the text, published maps, institutional affiliations, or any other geographical representation in this preprint. The responsibility to include appropriate place names lies with the authors.
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This verification and validation effort summarizes the aeroelastic prediction capability of the...
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