円筒容器内高粘性液体の気泡噴流による旋回現象(旋回噴流の環境問題への利用)(Part-2. 鉄鋼業と循環型社会)(<特集>鉄の技術と文化および循環型社会)

概要

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Investigation was made on an effect of the kinematic viscosity of a liquid on a swirl motion of the liquid in a cylindrical vessel The swirl motion appeared when the liquid was agitated by bottom gas injection Water and silicone oil were used as the working fluids Particular attention was paid to the period, T_s, amplitude, A, starting time, T_<SS>, and damping time, T_<sd>, of the swirl motion The preferable occurrence condition of the swirl motion was also determined The occurrence region was expressed in terms of the aspect ratio and gas flow rate It became narrow as the kinematic viscosity of liquid increased An emprical equation was newly proposed for the amplitude, A Empirical equations proposed previously for the remaining parameters, T_s,T_<ss>, and T_<sd> were applicable under the present expenmental conditions
2005-01-01