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Summary & Details

Wheel Development for Aerodynamics and Brake Cooling

空力性能とブレーキ冷却性能が両立するホイールの開発

Delivery: Available on this site

Format: PDF

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

Publication code: 20226281

Paper/Info type: Proceedings (Autumn)

No.142-22

Pages: 1-4(Total 4 p)

Date of publication: Oct 2022

Publisher: JSAE

Language: Japanese

Event: 2022 JSAE Annual Congress (Autumn)

Detailed Information

Author(J)	1) 齋藤雄太, 2) 楢崎昭尋, 3) 長島洋介
Author(E)	1) Yuta Saito, 2) Akihiro Narazaki, 3) Yosuke Nagashima
Affiliation(J)	1) トヨタ自動車, 2) トヨタ自動車, 3) トヨタ自動車
Affiliation(E)	1) Toyota Motor, 2) Toyota Motor, 3) Toyota Motor
Abstract(J)	環境と市場の動向を鑑み，一般的に背反すると考えられる空気抵抗とブレーキ冷却性の両立検討をCFDにて実施した．まず，市販ホイールを用いて課題を確認したのち，ホイールの形状を変化させて空気抵抗係数CDとブレーキロータの熱伝達率の予測を行った．結果として，左右のホイールの部品を分けて風流れに対するスポーク形状を工夫することにより，空力性能とブレーキ冷却性能の両方を同時に向上させる技術を開発することができた． Translation
Abstract(E)	To reduce greenhouse gas emission and considering market trend, achieving both conflicting performance of aerodynamic drag and brake cooling is needed. In this paper, the effects of wheel shapes on them were investigated using CFD. The results suggest that both can be improved with optimizing spoke shape to the flow direction. This breakthrough can be achieved when different part number of wheels are adopted for left and right.

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