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非等温乱流場の熱伝達問題における渦拡散係数について
http://hdl.handle.net/10069/24112
http://hdl.handle.net/10069/2411272f5b1a5-b2bc-4bd2-812b-826d5daa9410
名前 / ファイル | ライセンス | アクション |
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kogaku13_21_13.pdf (550.3 kB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2010-10-07 | |||||
タイトル | ||||||
タイトル | 非等温乱流場の熱伝達問題における渦拡散係数について | |||||
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 |
福地, 信義
× 福地, 信義 |
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著者別名 | ||||||
姓名 | Fukuchi, Nobuyoshi | |||||
その他のタイトル | ||||||
その他のタイトル | On the Heat Convection with Approximate Eddy Diffusivity in the Non-Isothermal Turbulent Flow | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The flow in enclosed non-isothermal space such as air-conditioned room is considered desirably as non-isotropic turbulent flow due to gravitational effects. In this case, the Reynolds stresses and the heat flux terms in the transport equations induced by time-mean should be treated as non-isotropical values including buoyant effects of a gravitational field. The approximate method based on the expression by Launder et al is used in the analyses of this paper. Namely, the Reynolds stresses and the heat flux terms are expressed algebraically by the use of buoyant effects in addition to eddy kinematic viscosity and eddy diffusivity of isotropic turbulent flow. In order to investigate the justice of this method, the calculation about free shear flow, jets and turbulent flow in pipe are carried out. The calculated flow velocity and air temperature by three dimensional analyses of finite element method are compared with the measured values in air conditioning chamber of container type. | |||||
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 13, 号 21, p. 187-194, 発行日 1983-08 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 02860902 | |||||
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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, 13(21), pp.187-194; 1983 |