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Summary & Details

Performance Enhancement of Heat Exchanger Fine-Fins Focusing on Downstream Wake of a Blower

送風機後流乱流に着目した熱交換器微細フィンの性能向上

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Format: PDF

Price: Non-members (tax incl.)：￥1,100 Members (tax incl.)：￥880

Publication code: 20264418

Paper/Info type: Journal of Society of Automotive Engineers of Japan

Vol.80 No.5

Pages: 104-109(Total 6 p)

Date of publication: May 2026

Publisher: JSAE

Language: Japanese

Detailed Information

Category(J)	ホットトピックス Translation
Category(E)	Hot Topics
Author(J)	1) 井上凌佑
Author(E)	1) Ryosuke Inoue
Affiliation(J)	1) デンソー
Abstract(J)	カーボンニュートラル社会において、車載空調装置や冷却装置の小型・省電力化が重要である。小型化により送風機と熱交換器が近接し、送風機後流乱れの影響が大きくなる。本稿では、はく離が発生するルーバ形状において、乱れ特性をパラメータとした最適化計算を行い、微細な伝熱面における複雑な乱流熱伝達現象を詳細に分析した。 Translation
Abstract(E)	In a carbon-neutral society, downsizing and energy-saving of automotive air-conditioning and cooling systems are becoming increasingly important. As these systems become more compact, the blower and heat exchanger are positioned closer together, resulting in a stronger influence of blower wake turbulence. In this study, we performed optimization calculations using turbulence characteristics as parameters for a louver geometry in which flow separation occurs, and conducted a detailed analysis of the complex turbulent heat transfer phenomena on microscopic heat transfer surfaces.

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