RELATIONSHIP BETWEEN TURBULENCE STRUCTURE AND GAS TRANSFER ACROSS AIR-WATER INTERFACE

• NAKAYAMA Tadanobu

  JAPAN SOCIETY OF CIVIL ENGINEERS

• NEZU Iehisa

  JAPAN SOCIETY OF CIVIL ENGINEERS

Bibliographic Information

Other Title

• 水・空気界面での乱流構造と気体輸送の関連性に関する研究
• ミズ クウキ カイメン デ ノ ランリュウ コウゾウ ト キタイ ユソウ ノ カンレンセイ ニ カンスル ケンキュウ

Abstract

It has been pointed out that the turbulent structures near a free surface have a close relationship with coherent vortices, and that those characteristics are greatly affected by the presence of the free surface. Furthermore, mass transfer across an air-water interface is a fundamental and very important process in environmental and geophysical problems. Therefore, three different turbulent conditions were considered; namely, bottom shear driven turbulence, wind shear driven turbulence, and combined wind/stream driven turbulences. The aim of this study is to evaluate the relationship between the turbulence structure near the interface and the gas transfer process across the air-water interface. As a results, the mechanism of gas transfer across the air-water interface is well explained by a small-eddy model.

Journal

• Doboku Gakkai Ronbunshu

  Doboku Gakkai Ronbunshu 1999 (635), 85-95, 1999-11-21

  Japan Society of Civil Engineers

Keywords

• air-water gas transfer
• friction velocity
• energy dissipation
• renewal model

Details

• CRID: 1390001205308798080
• NII Article ID: 130003983421
• NII Article ID: 10004444890
• NII Book ID: AN10014020
• DOI: 10.2208/jscej.1999.635_85
• ISSN: 18827187
• ISSN: 02897806
• ISSN: http://id.crossref.org/issn/02897806
• NDL BIB ID: 4929064
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I4929064
• Web Site: https://www.jstage.jst.go.jp/article/jscej1984/1999/635/1999_635_85/_pdf
• Data Source:
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  • NDL
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  • CiNii Articles
• Abstract License Flag: Disallowed