2010•Journal of the Korean Society for Marine Environment & EnergyRequires access

Efficiency Tests of Seawater Exchange System for Enhancement of Seawater Quality

Changhwan Jang, Sang-Taek Kim, Hyo-Seob Kim, Kyu-Han Kim, Man-Soon Song

Abstract

The multi-outlets were installed on the existing seawater exchange breakwater in order to improve seawater exchange rate at Jumunjin harbor. Physical and numerical model system were fulfilled for 4 cases to evaluate seawater exchange system which is able to discharge water remotely. The seawater circulation pattern and seawater exchange rate in the harbor were compared and analyzed. Consequently, total seawater exchange rate for CASE 1 was calculated 48% due to the dead zones which hinder seawater circulation in the harbor. Otherwise, the seawater exchange rates of CASE 2, CASE 3, and CASE 4 with the installation of the system were enhanced 19%, 15% and 17%, respectively compare to CASE 1.

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Key concepts: Seawater, Environmental science, Circulation (fluid dynamics), Oceanography, Water quality, Geology, Ecology, Engineering