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<front>
<journal-meta>
<journal-id journal-id-type="publisher">WESD</journal-id>
<journal-title-group>
<journal-title>Wind Energy Science Discussions</journal-title>
<abbrev-journal-title abbrev-type="publisher">WESD</abbrev-journal-title>
<abbrev-journal-title abbrev-type="nlm-ta">Wind Energ. Sci. Discuss.</abbrev-journal-title>
</journal-title-group>
<issn pub-type="epub">2366-7621</issn>
<publisher><publisher-name></publisher-name>
<publisher-loc>Göttingen, Germany</publisher-loc>
</publisher>
</journal-meta>
<article-meta>
<article-id pub-id-type="doi">10.5194/wes-2024-67</article-id>
<title-group>
<article-title>Turbine Repositioning Technique for Layout Economics (TRTLE) in Floating OffshoreWind Farms &amp;ndash; Humboldt Case Study</article-title>
</title-group>
<contrib-group><contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>Alkarem</surname>
<given-names>Yuksel Rudy</given-names>
<ext-link>https://orcid.org/0000-0003-4275-9878</ext-link>
</name>
<xref ref-type="aff" rid="aff1">
<sup>1</sup>
</xref>
</contrib>
<contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>Huguenard</surname>
<given-names>Kimberly</given-names>
</name>
<xref ref-type="aff" rid="aff1">
<sup>1</sup>
</xref>
</contrib>
<contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>Kimball</surname>
<given-names>Richard</given-names>
<ext-link>https://orcid.org/0009-0009-8946-5325</ext-link>
</name>
<xref ref-type="aff" rid="aff2">
<sup>2</sup>
</xref>
</contrib>
<contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>Hallowell</surname>
<given-names>Spencer</given-names>
</name>
<xref ref-type="aff" rid="aff2">
<sup>2</sup>
</xref>
</contrib>
<contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>Verma</surname>
<given-names>Amrit</given-names>
</name>
<xref ref-type="aff" rid="aff2">
<sup>2</sup>
</xref>
</contrib>
<contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>Bachynski-Polić</surname>
<given-names>Erin</given-names>
</name>
<xref ref-type="aff" rid="aff3">
<sup>3</sup>
</xref>
</contrib>
<contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>Nejad</surname>
<given-names>Amir</given-names>
<ext-link>https://orcid.org/0000-0003-0391-8696</ext-link>
</name>
<xref ref-type="aff" rid="aff3">
<sup>3</sup>
</xref>
</contrib>
</contrib-group><aff id="aff1">
<label>1</label>
<addr-line>Civil and Environmental Engineering Department, University of Maine, 35 Flagstaff Road, Orono, Maine 04469, USA</addr-line>
</aff>
<aff id="aff2">
<label>2</label>
<addr-line>Mechanical Engineering Department, University of Maine, 35 Flagstaff Road, Orono, Maine 04469, USA</addr-line>
</aff>
<aff id="aff3">
<label>3</label>
<addr-line>Department of Marine Technology, Norwegian University of Science and Technology (NTNU), Jonsvannsveien 82, 7050 Trondheim, Norway</addr-line>
</aff>
<pub-date pub-type="epub">
<day>31</day>
<month>05</month>
<year>2024</year>
</pub-date>
<volume>2024</volume>
<fpage>1</fpage>
<lpage>21</lpage>
<permissions>
<copyright-statement>Copyright: &#x000a9; 2024 Yuksel Rudy Alkarem et al.</copyright-statement>
<copyright-year>2024</copyright-year>
<license license-type="open-access">
<license-p>This work is licensed under the Creative Commons Attribution 4.0 International License. To view a copy of this licence, visit <ext-link ext-link-type="uri"  xlink:href="https://creativecommons.org/licenses/by/4.0/">https://creativecommons.org/licenses/by/4.0/</ext-link></license-p>
</license>
</permissions>
<self-uri xlink:href="https://wes.copernicus.org/preprints/wes-2024-67/">This article is available from https://wes.copernicus.org/preprints/wes-2024-67/</self-uri>
<self-uri xlink:href="https://wes.copernicus.org/preprints/wes-2024-67/wes-2024-67.pdf">The full text article is available as a PDF file from https://wes.copernicus.org/preprints/wes-2024-67/wes-2024-67.pdf</self-uri>
<abstract>
<p>This study investigates the farm-level effects of designing a uniform turbine repositioning (TR)-enabling mooring system on the efficiency and economics of a floating wind farm at the south-west Humboldt wind energy area, characterized by its deep waters. Four layout concepts with possibility for shared anchors are investigated. These concepts vary in terms of number of mooring lines per wind turbine. The 2-line configuration allows the platforms to have large excursions around their undisplaced positions when the system is loaded compared to a typical 3-line and 4-line configurations. The relative displacements of the wind turbines as a function of varying wind speeds and directions and their subsequent impacts on wake losses are studied. When allowing TR, wake effects can be reduced. Annual energy production increases of up to 1.3 % are achieved. Furthermore, through strategic farm-level management of mooring orientations for the 2-line setup, the proposed design achieves 50 % and 31 % reduction in anchor count and total mooring length, respectively, for the tetragonal design, compared to a conventional baseline design. The hexagonal design reaches 20 % and 27 % reductions of these quantities. A preliminary cost analysis shows a 27 % cost reduction compared to the baseline mooring system, giving a financial window for increasing reliability to the mooring system.</p>
</abstract>
<counts><page-count count="21"/></counts>
</article-meta>
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