鉛直管内旋回気液二相流の流動状況に及ぼす混合部の影響

概要

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We have been studying characteristics of a swirl gas-liquid two-phase flow as basic studies for cyclone separators, a swirl gas-liquid-solid three-phase flow, and so on. In the previous paper, using the vertical pipe of a 30mm I. D. and approximately 5m height, flow patterns were classified into four patterns and it was clarified that a swirl length was strongly influenced by liquid volumetric flux using the mixing unit whose cone angle was 4 degrees. In the present paper, using new mixing units whose cone angles were 0 and 12 degrees, flow patterns were observed and swirl length was measured. The volumetric fluxes of each phase were <J_L>=0-0.68m/s and <J_G>=0.013-9.7m/s, respectively. The influence of cone angle of the mixing unit on flow patterns and swirl length was investigated.
神戸市立工業高等専門学校の論文
2005-03-01