ノズル・リップによる平面噴流の制御
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- Material Type
- 記事
- Title
- Author/Editor
- 音峯 佑哉笑喜 悠輔三原 宏昭 他
- Alternative Title
- Flow Control of a Plane Jet by a Nozzle's Lip
- Periodical title
- 環境工学総合シンポジウム講演論文集 = Symposium on environmental engineering
- No. or year of volume/issue
- 23:2013
- Volume
- 23
- Pages
- 380-383
- Publication date of volume/issue (W3CDTF)
- 2013
- Publication (Periodical Title)
- 東京 : 日本機械学会
- Place of Publication (Country Code)
- JP
- Text Language Code
- jpn
- NDLC
- Target Audience
- 一般
- Holding library
- 国立国会図書館
- Call No.
- Z16-2375
- Data Provider (Database)
- 国立国会図書館 : 国立国会図書館雑誌記事索引
- Bibliographic ID (NDL)
- 026718526
- Bibliographic Record Category (NDL)
- 632
- Summary, etc.
- Mixing/diffusion enhancement is one of the key technologies in various aspects, and is needed in chemical reactors, heat exchangers, burners/combustors, low-noise jet engines, air conditioners and so on. Jets are known to be useful for such mixing/diffusion enhancement. The authors research the jet from an asymmetrical two-dimensional nozzle, especially concerning the effect of the lip length of the nozzle. Experiments are conducted at a Reynolds number of 6000. The aspect ratio of the nozzle exit is fixed to 300. And, the lip length is 0,2.0h, 3.3h, 4.0h, 5.0h, 6.0h, 7.3h, 8.0h and 10h, where h denotes the height of the nozzle exit. The authors show mean-velocity and turbulence-intensity profiles at various downstream sections, in order to reveal fundamental characteristics of the jet. Furthermore, in the near downstream, the authors visualise the flow by glycol smoke so as to get quantitative information using a PIV technique, and perform the dominant-frequency measurements to reveal flow-instability characteristics.
- DOI
- 10.1299/jsmeenv.2013.23.380
- Access Restrictions
- インターネット公開
- Data Provider (Database)
- 科学技術振興機構 : J-STAGE
- Summary, etc.
- Mixing/diffusion enhancement is one of the key technologies in various aspects, and is needed in chemical reactors, heat exchangers, burners/combustors, low-noise jet engines, air conditioners and so on. Jets are known to be useful for such mixing/diffusion enhancement. The authors research the jet from an asymmetrical two-dimensional nozzle, especially concerning the effect of the lip length of the nozzle. Experiments are conducted at a Reynolds number of 6000. The aspect ratio of the nozzle exit is fixed to 300. And, the lip length is 0,2.0h, 3.3h, 4.0h, 5.0h, 6.0h, 7.3h, 8.0h and 10h, where h denotes the height of the nozzle exit. The authors show mean-velocity and turbulence-intensity profiles at various downstream sections, in order to reveal fundamental characteristics of the jet. Furthermore, in the near downstream, the authors visualise the flow by glycol smoke so as to get quantitative information using a PIV technique, and perform the dominant-frequency measurements to reveal flow-instability characteristics.
- DOI
- 10.1299/jsmeenv.2013.23.380
- Related Material (URI)
- Data Provider (Database)
- 国立情報学研究所 : CiNii Research
- Original Data Provider (Database)
- Japan Link Center雑誌記事索引データベースCrossrefCiNii Articles
- Bibliographic ID (NDL)
- 026718526
- NAID
- 110009951998