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        <identifier>oai:ir.kagoshima-u.ac.jp:00002286</identifier>
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          <dc:title xml:lang="ja">平面網地の流水抵抗に関する基礎的研究 III : 網地模型の流水抵抗特性</dc:title>
          <dc:title xml:lang="en">Basic Studies on the Plane Net set into the flowing Water III : Coefficent of Water Resistance on the Metalic Net Model</dc:title>
          <jpcoar:creator>
            <jpcoar:nameIdentifier nameIdentifierScheme="NRID">1000020041709</jpcoar:nameIdentifier>
            <jpcoar:creatorName xml:lang="ja">今井, 健彦</jpcoar:creatorName>
            <jpcoar:creatorName xml:lang="en">IMAI, Takehiko</jpcoar:creatorName>
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          <datacite:description xml:lang="en" descriptionType="Other">This experiment was made on the four kinds of metalic model nets equally composed of cylindrical brass-bars (dia.=4.015mm, length of leg=80mm) with nine meshes respectively.
But the hanging-in coefficient is varied as a hanging-angle φ=45°; φ=37°; φ=30°; φ=20° in each net model. The experimental methods are similar to those described on the previous report.
The results obtained are as follows: 1) It is possible to denote drag-coefficient C_D, lift-coefficient C_L, and friction-coefficient C_F in the following equations: ･･･[the rest omitted]</datacite:description>
          <datacite:description xml:lang="ja" descriptionType="Other">1) 網地と流れの成す角を0~90°の範囲で,5°毎に変えて網地模型面の流水抵抗成分D_m,揚力成分L_mを同時に測定した。抗力係数C_D,揚力係数C_L,摩擦係数C_Fを求める実験式は,・・・[式,省略]であった。但し,θ'=0.64(θ+50°),K_45=2.44,K_37=1.74,K_30=1.55,K_20=1.21であり,実験時の流速は0.278m/sで,レイノルズ数は1.01×10^&lt;3&gt;であった。
2) 網地と流れの成す角が大きな場合は流水摩擦による抵抗は無視できるが,トロール網や巾着網等の場合のように迎角が小さな場合は摩擦抵抗は比較的大きく,迎角0°の場合の流水抵抗は摩擦抵抗に等しい。尚,摩擦抵抗値は縮結により差違を生じ縮結角が大きい程大きな値を示すことが明らかとなった。</datacite:description>
          <dc:publisher xml:lang="ja">鹿児島大学</dc:publisher>
          <dc:publisher xml:lang="en">Kagoshima University</dc:publisher>
          <datacite:date dateType="Issued">1978-12-25</datacite:date>
          <dc:language>jpn</dc:language>
          <dc:type rdf:resource="http://purl.org/coar/resource_type/c_6501">departmental bulletin paper</dc:type>
          <oaire:version rdf:resource="http://purl.org/coar/version/c_970fb48d4fbd8a85">VoR</oaire:version>
          <jpcoar:identifier identifierType="HDL">http://hdl.handle.net/10232/13120</jpcoar:identifier>
          <jpcoar:identifier identifierType="URI">https://ir.kagoshima-u.ac.jp/records/2286</jpcoar:identifier>
          <jpcoar:sourceIdentifier identifierType="PISSN">0453087X</jpcoar:sourceIdentifier>
          <jpcoar:sourceIdentifier identifierType="NCID">AN00040498</jpcoar:sourceIdentifier>
          <jpcoar:sourceTitle xml:lang="ja">鹿児島大学水産学部紀要</jpcoar:sourceTitle>
          <jpcoar:sourceTitle xml:lang="en">Memoirs of Faculty of Fisheries Kagoshima University</jpcoar:sourceTitle>
          <jpcoar:volume>27</jpcoar:volume>
          <jpcoar:issue>1</jpcoar:issue>
          <jpcoar:pageStart>131</jpcoar:pageStart>
          <jpcoar:pageEnd>137</jpcoar:pageEnd>
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            <datacite:date dateType="Available">2016-10-27</datacite:date>
            <datacite:date dateType="Issued">1978-12-25</datacite:date>
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