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  • Summary & Details

Research on Super Lean Burn Concept for Gasoline Engines with High Thermal Efficiency

高効率ガソリンエンジンのためのスーパーリーンバーン研究

Detailed Information

Author(J)1) 横森 剛, 2) 松田 昌祥, 3) 飯田 訓正, 4) 横尾 望, 5) 中田 浩一, 6) 浦田 泰弘
Author(E)1) Takeshi Yokomori, 2) Masayoshi Matsuda, 3) Norimasa Iida, 4) Nozomi Yokoo, 5) Koichi Nakata, 6) Yasuhiro Urata
Affiliation(J)1) 慶應義塾大学, 2) 慶應義塾大学, 3) 慶應義塾大学, 4) トヨタ自動車, 5) トヨタ自動車, 6) 本田技術研究所
Affiliation(E)1) Keio University, 2) Keio University, 3) Keio University, 4) Toyota Motor, 5) Toyota Motor, 6) Honda R&D
Abstract(J)SIエンジンに超希薄予混合気を供給し、低温燃焼実現による冷却損失の削減から高効率を目指す。強タンブル流が圧縮上死点付近で生成する乱れ強さの活用、プラグ周り流動による火花放電ストリーマ成長を介した着火エネルギの供給から、安定燃焼と急速燃焼の実現による熱効率向上ポテンシャルを単気筒エンジンにて評価する。

Translation

Abstract(E)This research aims to improve thermal efficiency on gasoline engines by the reduction of heat loss with super lean combustion technologies. We discuss the potential to enhance engine thermal efficiency through the realization of stable and rapid combustion under the super lean condition, which can be achieved by applying strong turbulence generated from the high tumble flow near the TDC and high ignition energy supplied by the discharge streamer grown with the flow around the ignition plug.

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