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Summary & Details

Study on Homogeneous Mixture Formation by High-Flow Hydrogen Jet

大流量水素噴流による均質混合気形成に関する研究

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Format: PDF

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

Publication code: 20265338

Paper/Info type: Proceedings (Spring)

No.78-26

Pages: 1-6(Total 6 p)

Date of publication: May 2026

Publisher: JSAE

Language: Japanese

Event: 2026 JSAE Annual Congress (Spring)

Detailed Information

Author(J)	1) 西村星耶, 2) 山口顕央, 3) 木谷慎吾, 4) 片岡一
Author(E)	1) Seiya Nishimura, 2) Akichika Yamaguchi, 3) Shingo Kitani, 4) Hajime Kataoka
Affiliation(J)	1) デンソー, 2) デンソー, 3) デンソー, 4) SOKEN
Affiliation(E)	1) DENSO, 2) DENSO, 3) DENSO, 4) SOKEN
Abstract(J)	水素エンジンはカーボンニュートラルに向け注目されるが，異常燃焼回避や出力・低NOxの実現には均質混合気形成が課題である．本研究は大型エンジンを想定した大流量噴流に関し，可視化技術を応用して形成メカニズムを解析した．得られたメカニズムに基づき均質混合気形成に有効な噴射・噴流要件をCFDにより導出した Translation
Abstract(E)	Hydrogen engines are attracting attention as a pathway toward carbon neutrality; however, achieving abnormal combustion avoidance, high output, and low NOx emissions requires overcoming the challenge of homogeneous mixture formation. This study focuses on high-flow hydrogen jets for large engines and analyzes the formation mechanism using advanced visualization techniques. Based on the identified mechanism, injection and jet requirements effective for homogeneous mixture formation were derived through CFD analysis.

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