書誌事項
- タイトル別名
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- Effect of Lewis Number on Characteristics of Edge Flame Established in Counterflow Field
- タイコウ ナガレバ ニ ケイセイ サレタ エッジフレーム ノ セイシツ ニ オヨボス ルイススウ ノ エイキョウ
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説明
<p>The effect of the Lewis number of a mixture on characteristics of the edge flame established in a counterflow field was experimentally investigated. The edge flame was established in a counterflow field with a stretch rate gradient between the inclined counterflow slot-jet burners. A flame edge was generated in the high stretch region where the distance between two burners was small, and twin counterflow flames were stabilized in the low stretch side where the distance between burners was large. The flame shape strongly depended on the Lewis number irrespective of fuel. The local stretch rate at the flame edge of CH4 mixtures that the Lewis number was nearly unity was influenced by the Lewis number. On the other hand, the local stretch rate at the flame edge of C3H8 mixtures that the Lewis number was much larger than unity showed no dependence on the Lewis number. Such a characteristic well agreed with numerical results of extinction behavior of twin counterflow planar flames. A difference between the edge flame and twin counterflow flames appeared in the threshold mole fraction of He in the mixture when the local stretch rate at the flame edge or the extinction stretch rate of twin counterflow flames changed from decreasing trend to increasing trend.</p>
収録刊行物
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- 日本燃焼学会誌
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日本燃焼学会誌 54 (168), 110-115, 2012
一般社団法人 日本燃焼学会
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詳細情報 詳細情報について
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- CRID
- 1390282680175338880
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- NII論文ID
- 130006320765
- 10030750013
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- NII書誌ID
- AA11658490
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- ISSN
- 24241687
- 13471864
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- NDL書誌ID
- 023786082
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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サーチ
- CiNii Articles
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- 使用不可