Development of an active grid adapted to a Low-Swirl burner and measurements of turbulent properties of the flow field

Material type: 文書・図像類

Author: Jeon, Inkyuほか

Publisher: 宇宙航空研究開発機構

Publication date: 2006-03-31

Material Format: Digital

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Note (General)：: The aim of this research is to design a bi-plane active grid to enhance turbulent flow downstream of a low-swirl burner. The active grid is a variatio...

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Material Type: 文書・図像類
Title: Development of an active grid adapted to a Low-Swirl burner and measurements of turbulent properties of the flow field
Author/Editor: Jeon, Inkyu
立花, 繁
Zimmer, Laurent
西沢, 啓
Tachibana, Shigeru
Nishizawa, Akira
Author Heading: Jeon, Inkyu
立花, 繁
Zimmer, Laurent
西沢, 啓
Tachibana, Shigeru
Nishizawa, Akira
Publication, Distribution, etc.: 宇宙航空研究開発機構
Publication Date: 2006-03-31
Publication Date (W3CDTF): 2006-03-31
Alternative Title: 弱旋回バーナーに適合したアクティブグリッドの開発と流れ場の乱流特性の計測
Periodical title: 宇宙航空研究開発機構研究開発報告 = JAXA Research and Development Report
No. or year of volume/issue: JAXA-RR-05-055E
Volume: JAXA-RR-05-055E
ISSN (Periodical Title): ISSN : 1349-1113
Text Language Code: eng
Subject Heading: 低渦巻バーナ
アクティブグリッド
流れ場
流速
速度プロファイル
熱線風速計
粒子画像流速測定法
乱流
渦巻発生器
渦巻数
積分長
low-swirl burner
active grid
flow field
flow velocity
velocity profile
hot-wire anemometer
particle image velocimetry
turbulent flow
swirl generator
swirl number
integral length
Target Audience: 一般
Note (General): The aim of this research is to design a bi-plane active grid to enhance turbulent flow downstream of a low-swirl burner. The active grid is a variation of the original form devised by Makita in 1991. First, adequate ranges for experimental parameters are sought using non-reacting flow. While turbulent intensity is of major interest, homogeneity, isotropy, and integral scale near the nozzle exit are also analyzed by measuring mean and turbulent velocities. In addition, a fully developed inertial subrange is demonstrated by energy spectra analysis. When premixed reacting flow is tested, a turbulent Karlovitz number higher than unity is achieved under various conditions. It indicates that the flame produced is in the thin reaction zone regime on the Peters' diagram. The measurements are implemented using both hot-wire anemometry and particle image velocimetry.
資料番号: AA0049302000
レポート番号: JAXA-RR-05-055E
Access Restrictions: 限定公開
Periodical Title (NCID): AA1192675X
https://ci.nii.ac.jp/ncid/AA1192675X
Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
https://irdb.nii.ac.jp
Original Data Provider (Database): 宇宙航空研究開発機構 : 宇宙航空研究開発機構リポジトリ