Elucidation of Mass Transport and Film Structure by MRI and LBM

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CO2 Hydrate Film is formed at the interface between liquid CO_2 and water, which is observed in ocean sequestration. It possesses a porus structure that water and CO_2 molecules are transported through the film to keep the thickness constant. The present research has been made for the followings.(1) MRI Measurement of hydrate growth has been made. The growth rate of hydrate film thickness has been measured by an specially designed high-pressure apparatus. Application to advanced CO_2 sequestration technology has also been proposed.(2) Measurement of CO_2 hydrate film thickness based on mass transport mechanism has been made by an high pressure apparatus. It was estimated to be 0.0004mm.(3) Massive CO_2 clathrate hydrate growth at a High-Polar-Energy Surface has been clarified and also, lateral growth rates of CO_2 clathrate-hydrate Film has been measured.(4) A New Boundary Condition of Lattice Boltzmann Method has been developed for the calculation of complex flow in porus media.