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Summary & Details

Combustion Chamber Shape Optimization of Indirect Injection Diesel Engine

渦流室式エンジンの燃焼室形状最適化

Delivery: Available on this site

Format: PDF

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

Publication code: 20214805

Paper/Info type: Symposium Text

Pages: 1-6(Total 6 p)

Date of publication: Dec 2021

Publisher: JSAE & JSME

Language: Japanese

Detailed Information

Author(J)	1) 中野博紀, 2) 牧正也, 3) 網代健也, 4) 遠藤浩之
Author(E)	1) Hiroki Nakano, 2) Masaya Maki, 3) Kenya Ajiro, 4) Hiroyuki Endo
Affiliation(J)	1) 三菱重工エンジン&ターボチャージャ(株), 2) 三菱重工エンジン&ターボチャージャ(株), 3) 三菱重工エンジン&ターボチャージャ(株), 4) 三菱重工エンジン&ターボチャージャ(株)
Affiliation(E)	1) Mitsubishi Heavy Industries Engine & Turbocharger, Ltd., 2) Mitsubishi Heavy Industries Engine & Turbocharger, Ltd., 3) Mitsubishi Heavy Industries Engine & Turbocharger, Ltd., 4) Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.
Abstract(J)	産業用小型ディーゼルエンジンで現在も主流である渦流室式エンジンの燃焼室形状を最適化する設計手法を考案した．当手法では，燃焼室形状，流動，熱発生率の相関に着目し，CFDより算出した各クランク角の最大流速を目的関数とし，理想的な熱発生率を得る燃焼室形状を遺伝的アルゴリズムにて導出した．最適化した燃焼室形状にて実機試験を行い，推定通りの熱発生率および性能を取得し，手法の有効性を確認した． Translation
Abstract(E)	A design method that optimize the combustion chamber shape of IDI engine was developed. In this method, we focused on the correlation between combustion chamber shape and flow and heat release rate. To obtain ideal heat release rate, we optimized combustion chamber shape by genetic algorithm, and confirmed the effectiveness of this method through the experiment that obtained the estimated heat release rate and performance.

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