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  1. 学術雑誌論文
  2. その他
  1. 部局別インデックス
  2. 工学部

円管内に縦渦を発生させた場合の流路内伝熱促進に関する研究

http://hdl.handle.net/20.500.12000/236
http://hdl.handle.net/20.500.12000/236
24d7a38d-7781-43f7-8af1-9ef4e202aeed
名前 / ファイル ライセンス アクション
senaha_i04.pdf senaha_i04.pdf
Item type デフォルトアイテムタイプ(フル)(1)
公開日 2007-03-04
タイトル
タイトル 円管内に縦渦を発生させた場合の流路内伝熱促進に関する研究
言語 ja
作成者 瀬名波, 出

× 瀬名波, 出

ja 瀬名波, 出

渡辺, 信二

× 渡辺, 信二

ja 渡辺, 信二

親川, 兼勇

× 親川, 兼勇

ja 親川, 兼勇

Senaha, Izuru

× Senaha, Izuru

en Senaha, Izuru

Watanabe, Shinji

× Watanabe, Shinji

en Watanabe, Shinji

Oyakawa, Kenyu

× Oyakawa, Kenyu

en Oyakawa, Kenyu

アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
権利情報
言語 ja
権利情報 Copyright (c) 1998 日本機械学会
主題
言語 en
主題Scheme Other
主題 Forced Convection
言語 en
主題Scheme Other
主題 Heat Transfer Enhancement
言語 en
主題Scheme Other
主題 Longitudinal Vortex
言語 en
主題Scheme Other
主題 Pipe Flow
言語 en
主題Scheme Other
主題 Pressure Distribution
言語 en
主題Scheme Other
主題 Flow Visualization
内容記述
内容記述タイプ Other
内容記述 The longitudinal vortices were artificially generated by a single winglet vortex generator in a pipe. The longitudinal vortex enhances the heat transfer compared to other vortices produced by protrusions, because this longitudinal vortex does not decay until relatively further downstream. The purpose of this study is to know the informations about the flow motion of longitudinal vortex and the influence of vortices on heat transfer enhancement. The flow pattern was visualized by means of both fluorescein and rhodamine B, as a tracer of the water flow in a water table. The main vortex was spirally moved along the circumference and the behavior of other vortices was observed. Streamwise and circumferential heat transfer coefficients on the wall, wall static pressures, and velocity distribution in the overall cross section were also measured for air flow in the range of Reynolds number from 18 800 to 62 400. The distributions of streamwise heat transfer coefficients had a periodic pattern, and the peaks in the distribution moved circumferentially due to the spiral motion of the main vortex. Relation of the iso-velocity distribution and the wall static pressure to the heat transfer characteristics was shown. Moreover, the thermal performance was calculated under the condition of fixed pumping power, and it was found that the performance ratio is almost larger than unity.
内容記述タイプ Other
内容記述 論文
出版者
言語 ja
出版者 日本機械学会
言語
言語 jpn
資源タイプ
資源タイプ journal article
資源タイプ識別子 http://purl.org/coar/resource_type/c_6501
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
識別子
識別子 http://hdl.handle.net/20.500.12000/236
識別子タイプ HDL
収録物識別子
収録物識別子タイプ NCID
収録物識別子 AN00187441
収録物名
言語 ja
収録物名 日本機械学会論文集. B編
書誌情報
巻 64, 号 628, p. 222-228
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