気体CO_2の海洋内の水平面溶解による海洋処理法の提言

概要

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Author proposed the new method of gaseous CO_2 dissolution in the ocean. The system is composed of the horizontal vessel installed in the proper depth of the sea and CO_2 Supplying and activating system of the interface of both fluids. Dense water in which CO_2 molecules are dissolved will flow down toward the sea floor inducing the bulk flow in the ocean and being accompanied with the molecular diffusions. These phenomena were treated analytically in the turbulent field by means of the k- ε two-equation model, which was applied to the semi-infinitive domain in the ocean. The basic datum of CO_2 mass transfer flux at the interface and density change of CO_2 dissolved water were obtained by the experiments of various kinds of pressure tests and the eddy viscosity and eddy diffusion coefficients were derived from the above mentioned turbulent model. Analyses were carried out with the two-dimensional cylindrical coordinate system under the still water assumptions.
社団法人日本船舶海洋工学会の論文