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  • Summary & Details

Design of Battery Cooling Channel for Electric Vehicles by Optimizing Cylinder Diameters

円柱径分布の最適化による電気自動車用バッテリ冷却流路の設計

Detailed Information

Category(J)ホットトピックス

Translation

Category(E)Hot Topics
Author(J)1) 古澤 善克, 2) 新谷 国隆, 3) 廣谷 俊輔, 4) 矢地 謙太郎, 5) 須藤 海
Author(E)1) Yoshikatsu Furusawa, 2) Kunitaka Shintani, 3) Shunsuke Hirotani, 4) Kentaro Yaji, 5) Kai Suto
Affiliation(J)1) Nature Architects, 2) Nature Architects, 3) Nature Architects, 4) 大阪大学大学院, 5) Nature Architects
Abstract(J)電気自動車用バッテリーの温度むら低減を目的に、二次元冷却プレート内の円柱の直径を設計変数とし、等価多孔質モデルで温度分散を最小化する手法を紹介する。1.0 m × 1.5 m領域内150本の円柱に対し最適化を行うと目的関数は初期値の12%となり、得た解を再構築した円柱列の高忠実度計算でも速度・温度分布の傾向が概ね一致した。

Translation

Abstract(E)This article presents a method for reducing temperature nonuniformity in electric-vehicle batteries by treating the diameters of cylinders in a two-dimensional cooling plate as design variables and minimizing temperature variance using an equivalent porous model. Optimization of 150 cylinders in a 1.0 m × 1.5 m domain reduced the objective function to 12% of its initial value. The velocity and temperature distributions obtained by high-fidelity simulation of the reconstructed cylinder array were generally consistent with the optimization result.

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