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High efficiency engine development for realizing CO2 neutral hybrid powertrains

CO2ニュートラルハイブリッドパワートレイン向けの高効率エンジンの実現に向けて

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Available on this site
Format
PDF
Price
Non-members (tax incl.)：￥1,100 Members (tax incl.)：￥880
Publication code
20224645
Paper/Info type
Journal of Society of Automotive Engineers of Japan

Vol.76 No.12

Pages
72-80(Total 1 p)
Date of publication
Dec 2022
Publisher
JSAE
Language
Japanese

Detailed Information

Category(J)カーボンニュートラルに貢献する内燃機関

Translation

Category(E)ICE contributes to carbon neutrality
Author(J)1) 青木 仁孝, 2) Thomas Arnold, 3) Dr.Jan Böhme,, 4) Matthias Krause,, 5) Dr.Mirko Leesch
Author(E)1) Masataka Aoki, 2) Thomas Arnold, 3) Dr.Jan Böhme,, 4) Matthias Krause,, 5) Dr.Mirko Leesch
Affiliation(J)1) IAV GmbH, 2) IAV GmbH, 3) IAV GmbH, 4) IAV GmbH, 5) IAV GmbH
Affiliation(E)1) IAV GmbH, 2) IAV GmbH, 3) IAV GmbH, 4) IAV GmbH, 5) IAV GmbH
Abstract(J)IAVは将来のハイブリッドのCO2排出ネットゼロ達成を見据えた高効率エンジンを開発しました。このエンジンは新しい冷却手法により、エンジンの冷却自由度を増やし、カムやクランクの軸受変更、高EGR導入、暖機挙動の最適化にてフリクションを最小化した結果、エンジンマップ広範囲で正味熱効率が42%以上、最高44.2%を達成しました。

Translation

Abstract(E)From future hybrid powertrain requirements, IAV developed an engine run on CO2-neutral fuel with highest efficiency. This engine uses a new demand-based cooling approach depending on operation and the approach offers new degrees of freedom for engine component cooling. Additionally, bearings in cam and crank trains, high EGR compatibility and warm-up optimization have been implemented for minimizing engine frictions. With these results, the brake thermal efficiency of developed engine is over 42% in wide range of engine map and the peak brake thermal efficiency reaches approximately 44.2%. This good efficiencies lead to archive net zero CO2 emissions using ICE.

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