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  1. B200 工学部/工学研究科
  2. B200a 雑誌掲載論文
  3. 学術雑誌

間欠燃料噴射を利用した燃焼場の検討

http://hdl.handle.net/2237/19808
23a2f75c-160e-4f88-83ce-99b88c9c2ab9
名前 / ファイル ライセンス アクション
82.pdf 82.pdf (460.8 kB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2014-04-22
タイトル
タイトル 間欠燃料噴射を利用した燃焼場の検討
その他のタイトル
その他のタイトル A Study on Combustion Field with Intermittent Fuel Injection
著者 磯部, 佑介

× 磯部, 佑介

WEKO 51960

磯部, 佑介

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山本, 和弘

× 山本, 和弘

WEKO 51961

山本, 和弘

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山下, 博史

× 山下, 博史

WEKO 51962

山下, 博史

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上島, 光浩

× 上島, 光浩

WEKO 51963

上島, 光浩

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ISOBE, Yusuke

× ISOBE, Yusuke

WEKO 51964

ISOBE, Yusuke

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YAMAMOTO, Kazuhiro

× YAMAMOTO, Kazuhiro

WEKO 51965

YAMAMOTO, Kazuhiro

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YAMASHITA, Hiroshi

× YAMASHITA, Hiroshi

WEKO 51966

YAMASHITA, Hiroshi

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UEJIMA, Mitsuhiro

× UEJIMA, Mitsuhiro

WEKO 51967

UEJIMA, Mitsuhiro

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キーワード
主題Scheme Other
主題 Diffusion Combustion
キーワード
主題Scheme Other
主題 Gaseous Fuel
キーワード
主題Scheme Other
主題 Burner
キーワード
主題Scheme Other
主題 Pollutant
キーワード
主題Scheme Other
主題 Combustion Products
抄録
内容記述 In this study, combustion field with intermittent fuel jet has been investigated. A combustor consists of inner central fuel nozzle and surrounding air nozzle. To reveal an effect of fuel injection, ratio of fuel injection time to total period (R) is changed. When fuel supply rate is kept constant, fuel injection velocity is increased at larger R. In experiments, NO_x concentration was measured. The fuel is propane. To discuss flame structure and flame characteristics in detail, numerical simulation was conducted. The fuel injection time and velocity were changed to in the range of R=0.14, 0.20, 0.33, and 1.0. A flame index was obtained to examine premixed and non-premixed combustion regions. The so-called jet diffusion flame is formed at R=1.0. Experimental results show that, the combustion area is very fluctuating by intermittent fuel injection. As R is decreased, EINO_x is reduced. Based on numerical simulation, by decreasing R, the flame region is detached at the burner port. In this case, some of the fuel is re-ignited in burned gas area of high temperature. At this condition, it is found that fuel and air are mixed to form premixed combustion zone, with lower flame temperature. Hence, the low level of NO_x emission by intermittent fuel injection is explained by this partial premixing effect of fuel and air.
内容記述タイプ Abstract
出版者
出版者 一般社団法人 日本機械学会
言語
言語 jpn
資源タイプ
資源タイプresource http://purl.org/coar/resource_type/c_6501
タイプ journal article
ISSN
収録物識別子タイプ ISSN
収録物識別子 0387-5016
書誌情報 日本機械学会論文集(B)

巻 75, 号 760, p. 2528-2534, 発行日 2009
著者版フラグ
値 author
URI
識別子 http://hdl.handle.net/2237/19808
識別子タイプ HDL
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