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An Analysis of Film Boiling around a Vertical Finite-Length Cylinder
http://hdl.handle.net/10069/5128
http://hdl.handle.net/10069/512865764fea-8d46-46d4-8e31-aabe258ba022
名前 / ファイル | ライセンス | アクション |
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KJ00000136515.pdf (787.0 kB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2007-01-26 | |||||
タイトル | ||||||
タイトル | An Analysis of Film Boiling around a Vertical Finite-Length Cylinder | |||||
言語 | ||||||
言語 | eng | |||||
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 |
Yamada, Takashi
× Yamada, Takashi× Shigechi, Toru× Momoki, Satoru× Kanemaru, Kuniyasu |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The film boiling heat transfer from a vertically placed cylinder of finite-length was analyzed to predict the overall heat transfer rate around the cylinder in terms of boiling curve. The overall heat transfer rate around the cylinder was determined semi-empirically by taking into account each convective heat transfer on the bottom, side and top surfaces of the cylinder. The heat transfer rate on the bottom surface was analyzed by the method similar to that developed by the authors for a downward-facing horizontal circular plate. For the vertical lateral surface of the cylinder, Bromley's model was applied and modified to accommodate the continuity of the vapor flow rate at the lower end of the vertical surface of the cylinder, where the vapor film had a finite thickness due to the vapor inflow out of the bottom surface. Berenson's correlation was adopted on the top surface. The effects of length and diameter of the cylinder on the overall heat transfer rate were discussed in terms of boiling curve and the present prediction method was compared with the experimental data obtained by quenching method. The predicted values with the boundary condition of non-slip at the vapor-liquid interface varied within 30 percent, depending on the length and diameter of the cylinder, in terms of average wall heat flux. The prediction agreed reasonably with the experimental data. | |||||
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 31, 号 56, p. 1-11, 発行日 2001-01 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 02860902 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN00178418 | |||||
sortkey | ||||||
P00001-P00011 | ||||||
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 Vol.31(56) p.1-11, 2001 |