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管厚さを考慮した内部フィン付管の温度助走区間層流強制対流熱伝達解析
http://hdl.handle.net/10069/24426
http://hdl.handle.net/10069/2442681319b4c-2753-4806-82a1-9ead4b1584bb
名前 / ファイル | ライセンス | アクション |
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kogaku24_42_05.pdf (564.1 kB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2010-11-02 | |||||
タイトル | ||||||
タイトル | 管厚さを考慮した内部フィン付管の温度助走区間層流強制対流熱伝達解析 | |||||
言語 | ||||||
言語 | jpn | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | departmental bulletin paper | |||||
著者 |
金丸, 邦康
× 金丸, 邦康× 茂地, 徹× 山田, 岹 |
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著者別名 | ||||||
姓名 | Kanemaru, Kuniyasu | |||||
著者別名 | ||||||
姓名 | Shigechi, Toru | |||||
著者別名 | ||||||
姓名 | Yamada, Takashi | |||||
その他のタイトル | ||||||
その他のタイトル | Numerical Analysis on Laminar Forced Convective Heat Transfer in Thermal Entrance Region of Circular Tube with Internal Longitudinal Fins | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The laminar forced convective heat transfer is numerically analyzed in a circular tube with internal longitudinal fins, where the effect of the finite conductivity of the finned tube was taken into account in order to investigate the application of carbon steel tubes in heat exchangers. It is assnmed that the velocity profiles are fu1ly-develped at the inlet of the tube and that the heat flux at the outer wall is set to be uniform. Owing to the axial symmetry, the cross sectional area to be solved is limited to the circular sector which consists of two parts, fluid and finned tube regions. The governing equation for energy was analyzed by the implicit marching finite difference method after the velocity profiles were numerically obtained. First the numerical solutions in the thermal developing region obtained by the current method were compared with the numerical results based on the fully developed energy and momentum equations and good agreement between the former results far from the inlet and the latter was confirmed. For the wide range of geometrical parameters as well as the conductivity ratio of finned tube to fluid, the numerical calculations were carried out. It is found that the augmentation of the heat transfer is induced by a flow peak between the fins facing each other and that the optimal fin number at the thermal develping region in most cases agrees to that of the fully-developed case. | |||||
書誌情報 |
長崎大学工学部研究報告 en : Reports of the Faculty of Engineering, Nagasaki University 巻 24, 号 42, p. 25-32, 発行日 1994-01 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 02860902 | |||||
EISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 18805574 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN00178418 | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
出版者 | ||||||
出版者 | 長崎大学工学部 | |||||
出版者別言語 | ||||||
Faculty of Engineering, Nagasaki University | ||||||
引用 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 長崎大学工学部研究報告, 24(42), pp.25-32; 1994 |