Flow Characteristics of Immiscible Liquid-Liquid Two Phase Flow in Micro Channel Systems
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概要
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The present study investigated flow characteristics of immiscible liquid-liquid two-phase flow in micro channel systems. Two kinds of T-shaped channels of glass fabricated by micro precision machining were used. An aqueous solution of glycerol or distilled water with or without surfactant was used for the aqueous phase, while styrene monomer was used for the organic phase. Four representative flow patterns, i.e. stratified flow, stratified wavy flow, stratified flow with inclined interface and annular flow, were observed due to the difference of channel dimension of the organic-phase flow and physical properties of liquids. The void fraction of stratified flows, including stratified flow with inclined interface, was characterized using the Lockhart-Martinelli method, while the void fraction of annular flow was estimated by an equation proposed by Fujii et al. It was found that the void fraction against Martinelli parameter X can be expressed by a parameter for the roughness between two phases.
- 日本学術会議 「機械工学委員会・土木工学・建築学委員会合同IUTAM分科会」の論文
日本学術会議 「機械工学委員会・土木工学・建築学委員会合同IUTAM分科会」 | 論文
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