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        <identifier>oai:jaxa.repo.nii.ac.jp:00037673</identifier>
        <datestamp>2023-06-20T21:15:24Z</datestamp>
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          <dc:title>Nonlinear instability of a laminar flow in a rectangular duct and gene ration of the turbulent secondary flow</dc:title>
          <dc:title>長方形管内の層流の非線形不安定性と乱流2次流の発生</dc:title>
          <dc:creator>巽, 友正</dc:creator>
          <dc:creator>吉村, 卓弘</dc:creator>
          <dc:creator>Tatsumi, Tomomasa</dc:creator>
          <dc:creator>Yoshimura, Takahiro</dc:creator>
          <dc:subject>境界層遷移</dc:subject>
          <dc:subject>境界層制御</dc:subject>
          <dc:subject>研究</dc:subject>
          <dc:subject>2次流れ</dc:subject>
          <dc:subject>乱流</dc:subject>
          <dc:subject>管内流</dc:subject>
          <dc:subject>矩形管</dc:subject>
          <dc:subject>流れ不安定性</dc:subject>
          <dc:subject>流体力学的不安定性</dc:subject>
          <dc:subject>非線形不安定</dc:subject>
          <dc:subject>縦渦</dc:subject>
          <dc:subject>秩序構造</dc:subject>
          <dc:subject>平衡状態</dc:subject>
          <dc:subject>増幅過程</dc:subject>
          <dc:subject>フーリエ級数展開</dc:subject>
          <dc:subject>boundary layer transition</dc:subject>
          <dc:subject>boundary layer control</dc:subject>
          <dc:subject>investigation</dc:subject>
          <dc:subject>secondary flow</dc:subject>
          <dc:subject>turbulent flow</dc:subject>
          <dc:subject>duct flow</dc:subject>
          <dc:subject>rectangular duct</dc:subject>
          <dc:subject>flow instability</dc:subject>
          <dc:subject>nonlinear instability</dc:subject>
          <dc:subject>longitudinal vortex</dc:subject>
          <dc:subject>coherent structure</dc:subject>
          <dc:subject>equilibrium state</dc:subject>
          <dc:subject>amplification process</dc:subject>
          <dc:subject>Fourier series expansion</dc:subject>
          <dc:subject>turbulence generation</dc:subject>
          <dc:description>航空宇宙技術研究所 24-25 Sep. 1991 (9th). 16-18 Mar. 1992 (10th) 東京 日本</dc:description>
          <dc:description>National Aerospace Laboratory 24-25 Sep. 1991 (9th). 16-18 Mar. 1992 (10th) Tokyo Japan</dc:description>
          <dc:description>矩形管内の流れにおける乱流2次流れの発生を、対応する層流の流体力学的非線形不安定性の枠組みの中で調べた。2次流れは、不安定な攪乱が成長して達する平衡状態として得られる。</dc:description>
          <dc:description>The generation of the turbulent secondary flow in a rectangular duct is investigated in the framework of hydrodynamical nonlinear instability of the corresponding laminar flow. The secondary flow is obtained as an equilibrium state of growing unstable disturbances.</dc:description>
          <dc:description>資料番号: AA0004167011</dc:description>
          <dc:description>レポート番号: NAL SP-18</dc:description>
          <dc:description>conference paper</dc:description>
          <dc:publisher>航空宇宙技術研究所</dc:publisher>
          <dc:publisher>National Aerospace Laboratory (NAL)</dc:publisher>
          <dc:date>1992-11</dc:date>
          <dc:format>application/pdf</dc:format>
          <dc:identifier>航空宇宙技術研究所特別資料</dc:identifier>
          <dc:identifier>18</dc:identifier>
          <dc:identifier>47</dc:identifier>
          <dc:identifier>49</dc:identifier>
          <dc:identifier>Special Publication of National Aerospace Laboratory</dc:identifier>
          <dc:identifier>0289-260X</dc:identifier>
          <dc:identifier>AN10097345</dc:identifier>
          <dc:identifier>https://jaxa.repo.nii.ac.jp/record/37673/files/nalsp0018011.pdf</dc:identifier>
          <dc:identifier>https://jaxa.repo.nii.ac.jp/records/37673</dc:identifier>
          <dc:language>jpn</dc:language>
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