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http://dx.doi.org/10.7846/JKOSMEE.2017.20.2.100

Flow Characteristics of the Artificial Upwelling Structure by Porosity Change  

Lee, Hwang Ki (Department of Naval Architecture & Ocean Engineering, Chonnam National University)
Kim, Young Min (Department of Naval Architecture & Ocean Engineering, Chonnam National University)
Kim, Jong Kyu (Department of Naval Architecture & Ocean Engineering, Chonnam National University)
Publication Information
Journal of the Korean Society for Marine Environment & Energy / v.20, no.2, 2017 , pp. 100-106 More about this Journal
Abstract
Artificial upwelling structure has been set up in sea mount. Bottom water can upwelling euphotic zone. Plentiful nutrient included in bottom water could not only enhance primary production but also expect food chain reaction and gathering fish. This study explain flowing features subject to porosity changes according to the material and shape of artificial upwelling structure. As a result, the upward flux is getting decreased while the porosity is increasing. And it figured out when the upward flux was decreased, the downward flux was also decreased. Futhermore, it was confirmed that the best efficiency of upwelling flux was shown up when the porosity was 10% according to the volume of artificial upwelling structure in case of 20% of porosity, it also has a good efficiency in comparison with impermeable artificial upwelling structure. Therefore, to build the artificial upwelling structure, It is encouraged to design it less than 20% of porosity for the best performance.
Keywords
Artificial Upwelling Structure; Porosity; Numerical Experiment; Flow Characteristics;
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Times Cited By KSCI : 4  (Citation Analysis)
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