Pumping-Through方式によるバラスト水交換に関する研究 : 3次元タンクモデルにおける模型水理実験について

概要

論文の詳細を見る
Discharged ballast water from the ships has been identified as a potential threat to the marine environment. Many species of marine animals and microorganisms of species are included in discharged ballast water and these are transferred from one port to others. Breeding species have some potential that cause severe adverse impact on ecosystem including expulsion of native species. It probably affects the human society as well. Therefore, the management of ballast water is important. The ballast water exchange by using a Pumping-through method is one of the management of ballast water. Authors have inspected the validity of this method by using a 2-Dimension tank model and numerical calculation. As a result, we have seen that 95% of the ballast water exchange is possible if seawater of 3 times of ballast tank capacity is overflowed. However, the 2-D tank model is different shape from an actual ballast tank. Then, we made a more real 3-Dimensions tank model. In this paper, we experimented with the 3-D tank model. In the experiment, we used the fluid dyed with methylene blue and measured the density of the fluid by an optical technique. As a result, we obtained the same result the experiment result with 2-D tank model.
社団法人日本航海学会の論文
2007-03-25