The Proceedings of the Fluids engineering conference
Online ISSN : 2424-2896
2013
Conference information
G0902 Effects of water turbulence and Langmuir circulations on scalar transfer across the sheared air-water interface
Yuta TSUJIMOTONaohisa TAKAGAKIRyoichi KUROSESatoru KOMORIKeiko TAKAHASHI
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CONFERENCE PROCEEDINGS FREE ACCESS

Pages _G0902-01_-_G0902-02_

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Abstract
A three-dimensional direct numerical simulation (DNS) is applied to a wind-driven turbulence, and the effects of the water turbulence and Langmuir circulations on scalar transfer across the air-water interface are investigated. In order to capture the deformable interface, an arbitrary Lagrangian-Eulerian formulation (ALE) method is applied. The results suggest that Langmuir circulations emerge on the water side but that the scalar transfer across the air-water interface is mainly controlled by the water turbulence and the effect of the Langmuir circulations is relatively small.
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© 2013 The Japan Society of Mechanical Engineers
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