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遡上スワールにより形成された強制循環流を活用する低NO_x燃焼の検討
- フォーマット:
- 論文
- 責任表示:
- 天野, 俊輔 ; 新井, 雅隆
- 言語:
- 日本語
- 出版情報:
- 日本機械学会, 2006-06-25
- 著者名:
- 掲載情報:
- 日本機械学會論文集. B編
- ISSN:
- 0387-5016
- 巻:
- 72
- 通号:
- 718
- 開始ページ:
- 1619
- 終了ページ:
- 1626
- バージョン:
- VoR
- 概要:
- application/pdf<br />Journal Article<br />A new concept of combustion liquid fuel suitable for Gas Turbine combustor was investigated. Combustion in high temperature and low oxgen concentration by Burnt Gas Recirculation (BGR/FGR/EGR) is an important technology for low NO_χ combustion of liquid fuel. Upward swirl was focused to produce forced recirculation flow of burnt gas. A combined method of analytical approach … (Computational Fluid Dynamics: CFD) and experimental approach was used. Flow pattern produced by the upward swirl introduced into combustion zone from the direction of combustion zone exit was investigated. CFD showed that a kind of guide vanes to produce flow to inside of radial direction at the top of combustion zone had important role for the upward swirl to recirculate fully to the top of combustion zone. A prototype combustor with the design based on results of CFD with and without combustion was made and tested. Non-luminous flame was observed at lean combustion condition. These results showed that this new concept of the primary zone had a high potential as a low NO_χ combustion technology of liquid fuel. 続きを見る
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