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        <identifier>oai:jaxa.repo.nii.ac.jp:00036908</identifier>
        <datestamp>2023-06-20T21:29:15Z</datestamp>
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        <jpcoar:jpcoar xmlns:datacite="https://schema.datacite.org/meta/kernel-4/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:dcndl="http://ndl.go.jp/dcndl/terms/" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:jpcoar="https://github.com/JPCOAR/schema/blob/master/1.0/" xmlns:oaire="http://namespace.openaire.eu/schema/oaire/" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:rioxxterms="http://www.rioxx.net/schema/v2.0/rioxxterms/" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns="https://github.com/JPCOAR/schema/blob/master/1.0/" xsi:schemaLocation="https://github.com/JPCOAR/schema/blob/master/1.0/jpcoar_scm.xsd">
          <dc:title>連成モードで振動する翼のダイナミック・ストール</dc:title>
          <dcterms:alternative>Numerical simulation of dynamic stall phenomena for an airfoil oscillating in coupled pitching and heaving</dcterms:alternative>
          <jpcoar:creator>
            <jpcoar:creatorName>磯貝, 紘二</jpcoar:creatorName>
          </jpcoar:creator>
          <jpcoar:creator>
            <jpcoar:creatorName>新本, 康久</jpcoar:creatorName>
          </jpcoar:creator>
          <jpcoar:creator>
            <jpcoar:creatorName>渡部, 洋八郎</jpcoar:creatorName>
          </jpcoar:creator>
          <jpcoar:creator>
            <jpcoar:creatorName xml:lang="en">Isogai, Koji</jpcoar:creatorName>
          </jpcoar:creator>
          <jpcoar:creator>
            <jpcoar:creatorName xml:lang="en">Shinmoto, Yasuhisa</jpcoar:creatorName>
          </jpcoar:creator>
          <jpcoar:creator>
            <jpcoar:creatorName xml:lang="en">Watanabe, Yohachiro</jpcoar:creatorName>
          </jpcoar:creator>
          <jpcoar:subject subjectScheme="Other">連成モード</jpcoar:subject>
          <jpcoar:subject subjectScheme="Other">ダイナミックストール</jpcoar:subject>
          <jpcoar:subject subjectScheme="Other">翼振動</jpcoar:subject>
          <jpcoar:subject subjectScheme="Other">数値シミュレーション</jpcoar:subject>
          <jpcoar:subject subjectScheme="Other">ピッチング振動</jpcoar:subject>
          <jpcoar:subject subjectScheme="Other">上下振動</jpcoar:subject>
          <jpcoar:subject subjectScheme="Other">位相差</jpcoar:subject>
          <jpcoar:subject subjectScheme="Other">ナビエ・ストークスコード</jpcoar:subject>
          <jpcoar:subject subjectScheme="Other">推進効率</jpcoar:subject>
          <jpcoar:subject subjectScheme="Other">推進力</jpcoar:subject>
          <jpcoar:subject subjectScheme="Other">羽ばたきパラメータ</jpcoar:subject>
          <jpcoar:subject subjectScheme="Other">流れ剥離</jpcoar:subject>
          <jpcoar:subject subjectScheme="Other">後縁</jpcoar:subject>
          <jpcoar:subject subjectScheme="Other">前縁</jpcoar:subject>
          <jpcoar:subject xml:lang="en" subjectScheme="Other">coupled mode</jpcoar:subject>
          <jpcoar:subject xml:lang="en" subjectScheme="Other">dynamic stall</jpcoar:subject>
          <jpcoar:subject xml:lang="en" subjectScheme="Other">airfoil oscillation</jpcoar:subject>
          <jpcoar:subject xml:lang="en" subjectScheme="Other">numerical simulation</jpcoar:subject>
          <jpcoar:subject xml:lang="en" subjectScheme="Other">pitching oscillation</jpcoar:subject>
          <jpcoar:subject xml:lang="en" subjectScheme="Other">heaving oscillation</jpcoar:subject>
          <jpcoar:subject xml:lang="en" subjectScheme="Other">phase difference</jpcoar:subject>
          <jpcoar:subject xml:lang="en" subjectScheme="Other">Navier Stokes code</jpcoar:subject>
          <jpcoar:subject xml:lang="en" subjectScheme="Other">propulsive efficiency</jpcoar:subject>
          <jpcoar:subject xml:lang="en" subjectScheme="Other">thrust</jpcoar:subject>
          <jpcoar:subject xml:lang="en" subjectScheme="Other">feathering parameter</jpcoar:subject>
          <jpcoar:subject xml:lang="en" subjectScheme="Other">flow separation</jpcoar:subject>
          <jpcoar:subject xml:lang="en" subjectScheme="Other">trailing edge</jpcoar:subject>
          <jpcoar:subject xml:lang="en" subjectScheme="Other">leading edge</jpcoar:subject>
          <datacite:description descriptionType="Other">航空宇宙技術研究所 6-7 JUN. 1996 東京 日本</datacite:description>
          <datacite:description descriptionType="Other">National Aerospace Laboratory 6-7 JUN. 1996 Tokyo Japan</datacite:description>
          <datacite:description descriptionType="Abstract">ナビエ・ストークスコードを用いて、ピッチング振動と上下振動が位相差をもって連成モードで振動する翼のまわりの失速現象について数値シミュレーションを行った。異なる2種の羽ばたきパラメータについて、位相差と低振動数の種々の組合わせに対して推進効率と推進力を計算し、計算から得られた各フローパターンを検討して、ダイナミック・ストール現象が推進効率と推進力におよぼす効果を詳細に論じた。ピッチング振動が上下振動よりも90度進んでいる時に最大推進効率を観測した。大振幅振動にも拘らず流れの剥離は後縁近傍の翼面上の小領域に局所化していた。90度以外の位相角については、大規模な前縁剥離が発生して推進効率は低下した。</datacite:description>
          <datacite:description descriptionType="Other">Numerical simulation of dynamic stall phenomena around an airfoil oscillating in a coupled mode, where the pitching and heaving oscillations have some phase differences, has been performed using the Navier-Stokes code. The propulsive efficiency and the thrust have been calculated for various combinations of the phase difference and the reduced frequency for two different feathering parameters, and the effects of the dynamic stall phenomena on the behaviors of the propulsive efficiency and thrust are also discussed in detail by examining each flow pattern obtained. The highest efficiency has been observed for the case where the pitching oscillation advances 90 deg over the heaving oscillation, for which the flow separation is confined in the small region on the airfoil surface near the trailing edge in spite of the large amplitude oscillations. For phase angles other than 90 deg the efficiency is degraded by the occurrence of the large scale leading edge separation.</datacite:description>
          <datacite:description descriptionType="Other">資料番号: AA0000685049</datacite:description>
          <datacite:description descriptionType="Other">レポート番号: NAL SP-34</datacite:description>
          <dc:publisher>航空宇宙技術研究所</dc:publisher>
          <dc:publisher>National Aerospace Laboratory (NAL)</dc:publisher>
          <datacite:date dateType="Issued">1997-01</datacite:date>
          <dc:language>jpn</dc:language>
          <dc:type rdf:resource="http://purl.org/coar/resource_type/c_5794">conference paper</dc:type>
          <jpcoar:identifier identifierType="URI">https://jaxa.repo.nii.ac.jp/records/36908</jpcoar:identifier>
          <jpcoar:sourceIdentifier identifierType="ISSN">0289-260X</jpcoar:sourceIdentifier>
          <jpcoar:sourceIdentifier identifierType="NCID">AN10097345</jpcoar:sourceIdentifier>
          <jpcoar:sourceTitle>航空宇宙技術研究所特別資料</jpcoar:sourceTitle>
          <jpcoar:sourceTitle xml:lang="en">Special Publication of National Aerospace Laboratory</jpcoar:sourceTitle>
          <jpcoar:volume>34</jpcoar:volume>
          <jpcoar:pageStart>275</jpcoar:pageStart>
          <jpcoar:pageEnd>284</jpcoar:pageEnd>
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            <datacite:date dateType="Available">2020-02-10</datacite:date>
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