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  • Summary & Details

Assessment of the Predictive Accuracy of Reynolds-Averaged Turbulence Models for a Supply Jet Representative of Vehicle Cabin Air-Conditioning

車室内空調を模擬した吹き出し噴流におけるReynolds平均型乱流モデルの予測精度検証

Detailed Information

Author(J)1) 伊藤 和樹, 2) 森下 正浩, 3) 武藤 亘平, 4) 中島 卓司, 5) 郡 逸平, 6) 尾関 義一, 7) 井上 実, 8) 松永 和彦, 9) 陸田 秀実
Author(E)1) Kazuki Ito, 2) Masahiro Morishita, 3) Kouhei Mutou, 4) Takuji Nakashima, 5) Itsuhei Kohri, 6) Yoshiichi Ozeki, 7) Minoru Inoue, 8) Kazuhiko Matsunaga, 9) Hidemi Mutsuda
Affiliation(J)1) 広島大学, 2) ハイリマレリジャパン, 3) ハイリマレリジャパン, 4) 広島大学, 5) 東京都市大学, 6) AGC, 7) マツダ, 8) 神奈川県立産業技術短期大学校, 9) 広島大学
Affiliation(E)1) Hiroshima University, 2) Highly Marelli Japan, 3) Highly Marelli Japan, 4) Hiroshima University, 5) Tokyo City University, 6) AGC, 7) Mazda, 8) Kanagawa Prefectural Junior College for Industrial Technology, 9) Hiroshima University
Abstract(J)車室内空調における乗員の等価温度評価では対流熱伝達率を含む熱収支予測が重要で,空調気流の更なる予測精度向上が求められる.本研究では吹出し噴流を対象に,高応答多孔プローブによる計測との比較からRealizable k-εモデルによる乱流エネルギ輸送メカニズムの再現性を検証し,精度向上のための課題を整理した.

Translation

Abstract(E)Accurate evaluation of occupant equivalent temperature in vehicle cabin air-conditioning requires heat-balance prediction that accounts for convective heat-transfer coefficients. Therefore, improving HVAC airflow prediction remains important. This study investigates a supply jet and validates the reproducibility of turbulent energy transport mechanisms in the Realizable k–ε model through comparison with measurements obtained using a high-response multi-hole probe. Based on the results, challenges for further improving prediction accuracy are clarified.

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