書誌事項
- タイトル別名
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- Effect of Fin-Collar Shape at Contact Area between Tube and Fin on Heat Exchanger Performance
- デンネツカン ト フィン セッショクブ ニ オケル フィンカラー ケイジョウ ガ ネツコウカンキ セイノウ ニ オヨボス エイキョウ
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In this study, numerical simulation of a cross fin-tube heat exchanger was conducted to investigate the effects of fin-collar shape on the heat transfer performance and pressure drop. During the making process, two adjacent fin-collars and a tube form a triangular space and the end of fin collar protrude to air side. To investigate these effects on the heat exchanger performance, the form ratio was defined to make an indicator of the triangular space size. Furthermore, the simulation of the models with and without protruded end was conducted. The results indicated that the increase of the form ratio results in the decrease in the heat transfer rate. On the other hand, it contributed to a relatively small increase in the heat transfer coefficient on the air side. A high heat transfer coefficient on the air side was obtained by the protruded fin-collar end. However, the pressure drop was not much different between the models with and without the protruded end. The ratio of the thermal contact resistance to the air side thermal resistance was about 1:5 for the form ratio of 20% to 40%.
収録刊行物
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- 日本冷凍空調学会論文集
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日本冷凍空調学会論文集 27 (2), 129-137, 2010
公益社団法人 日本冷凍空調学会
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詳細情報 詳細情報について
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- CRID
- 1390001204665042816
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- NII論文ID
- 10026793802
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- NII書誌ID
- AA11125910
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- ISSN
- 2185789X
- 13444905
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- NDL書誌ID
- 10767504
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可