LARGE EDDY SIMULATION OF THE DIFFUSION PROCESS OF NUTRIENT-RICH UP-WELLED SEAWATER | Zendy

Takuma Kogawa | Zendy; Shigenao Maruyama | Zendy; Masud Behnia | Zendy; Masasazumi Chisaki | Zendy; Junnosuke Okajima | Zendy; Atsuki Komiya | Zendy

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LARGE EDDY SIMULATION OF THE DIFFUSION PROCESS OF NUTRIENT-RICH UP-WELLED SEAWATER

Author(s) -

Takuma Kogawa,

Shigenao Maruyama,

Masud Behnia,

Masasazumi Chisaki,

Junnosuke Okajima,

Atsuki Komiya

Publication year - 2013

Publication title -

frontiers in heat and mass transfer

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.404

H-Index - 18

ISSN - 2151-8629

DOI - 10.5098/hmt.v4.2.3002

Subject(s) - frontier , seawater , thermal fluids , process (computing) , heat transfer , environmental science , computer science , oceanography , geology , thermodynamics , political science , physics , law , thermal resistance , operating system

The diffusion process of deep seawater drawn up by a vertical pipe deployed in the ocean is investigated. This vertical pipe is based on the principal of perpetual salt fountain. Numerical simulations of seawater upwelling from the pipe are performed based on experiments conducted in the Mariana trench region. Two turbulence modeling approaches were examined: k-e model and Large Eddy Simulations (LES). The results in both models show that diffusion of the deep seawater diffusion after ejection from the pipe. The LES results show a 50% lower vertical penetration compared to the k-e model as well as well as predicting that the horizontal diffusion is stronger than the vertical one.

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