書誌事項
- タイトル別名
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- Reduction in NOx Formation by Ignition-combustion of Rich Mixture Plume in High Pressure Direct Injection Hydrogen Engines
- カノウコンゴウキカイ テンカ ネンショウ ニ ヨル コウアツトウ ナイ チョクセツ フンシャ スイソ エンジン ノ NOx セイセイ テイゲン ニ カンスル ケンキュウ
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It is reported that combustion of rich hydrogen mixture plume that is formed in the middle or just after the injection named PCC ( Plume Ignition Combustion Concept) is effective to reduce NOx formation drastically without offering any trade-offs on thermal efficiency in high output power operation in high pressure direct injection hydrogen engines. In this study fundamental requirements to achieve further reduction in NOx formation in PCC are investigated by optimizing ignition timing with the assist of visualization technology of flame propagation in the combustion chamber based on high speed laser shadowgraphy. As a result it was clarified that requirement of reducing NOx formation is controlling air entrained to hydrogen jet by shortening duration from injection of hydrogen to ignition. It was also made clear that additional approach to reduce unburned hydrogen is required in case entrained air is too low.
収録刊行物
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- マリンエンジニアリング
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マリンエンジニアリング 47 (3), 429-436, 2012
公益社団法人 日本マリンエンジニアリング学会
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詳細情報 詳細情報について
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- CRID
- 1390282679549756032
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- NII論文ID
- 10030945038
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- NII書誌ID
- AA11505252
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- ISSN
- 18843778
- 13461427
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- NDL書誌ID
- 023769598
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可