1 Ocak 2020 Dergi makalesi Açık Erişim

Saydam, Ahmet Ziya; Gokcay, Serhan; Insel, Mustafa

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  <identifier identifierType="URL">https://aperta.ulakbim.gov.tr/record/9689</identifier>
  <creators>
    <creator>
      <creatorName>Saydam, Ahmet Ziya</creatorName>
      <givenName>Ahmet Ziya</givenName>
      <familyName>Saydam</familyName>
    </creator>
    <creator>
      <creatorName>Gokcay, Serhan</creatorName>
      <givenName>Serhan</givenName>
      <familyName>Gokcay</familyName>
    </creator>
    <creator>
      <creatorName>Insel, Mustafa</creatorName>
      <givenName>Mustafa</givenName>
      <familyName>Insel</familyName>
      <affiliation>Hidrotekn Naut Design Ltd, Istanbul, Turkey</affiliation>
    </creator>
  </creators>
  <titles>
    <title>Evaluation Of Aerodynamic Characteristics Of Mega-Yacht Superstructures By Cfd Simulations</title>
  </titles>
  <publisher>Aperta</publisher>
  <publicationYear>2020</publicationYear>
  <dates>
    <date dateType="Issued">2020-01-01</date>
  </dates>
  <resourceType resourceTypeGeneral="Text">Journal article</resourceType>
  <alternateIdentifiers>
    <alternateIdentifier alternateIdentifierType="url">https://aperta.ulakbim.gov.tr/record/9689</alternateIdentifier>
  </alternateIdentifiers>
  <relatedIdentifiers>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsIdenticalTo">10.5957/JSPD.09190051</relatedIdentifier>
  </relatedIdentifiers>
  <rightsList>
    <rights rightsURI="http://www.opendefinition.org/licenses/cc-by">Creative Commons Attribution</rights>
    <rights rightsURI="info:eu-repo/semantics/openAccess">Open Access</rights>
  </rightsList>
  <descriptions>
    <description descriptionType="Abstract">Air wake distribution around the superstructure of a mega-yacht is a key concern for the designer because of various reasons such as comfort expectations in recreational deck areas, self-noise generation, air pollution and temperature gradients due to exhaust interactions, and safety of helicopter operations such as landing/take off and hovering. The Reynolds-averaged Navier-Stokes (RANS) technique in computational fluid dynamics (CFD) is frequently used in studies on mega-yacht hydrodynamics and aerodynamics with satisfactory results. In this article, a case study is presented for the utilization of CFD in a mega-yacht's superstructure design. The flow field in recreational open areas has been analyzed for the increase in velocity due to the existence of the superstructure. A reduction in self-noise of the mast structure has been aimed by reducing flow separation and vorticity. Time-dependent velocity data obtained with scale-resolving simulations are presented for the evaluation of helicopter landings. The capabilities and limitations of the RANS technique are discussed along with recent developments in modeling approaches.</description>
  </descriptions>
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