混相流
Online ISSN : 1881-5790
Print ISSN : 0914-2843
ISSN-L : 0914-2843
【論 文】
高速攪拌によるウルトラファインバブル形成メカニズム解明のための数値計算
(初期気液比の影響)
松隈 洋介内山 弘規立花 克郎渡邉 晶子
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ジャーナル フリー

2018 年 32 巻 2 号 p. 247-253

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In order to clarify mechanism of ultrafine bubble generation by high-speed stirring, mixing process of two-phase flow in the vessel was calculated using lattice Boltzmann method. The process of elongated gas pillars splitting to generate a many small bubbles was confirmed. We proposed the interface length as a new index to quantitatively evaluate the formation of small bubbles. It was found the interface length was the longest when the initial gas-liquid volumetric ratio was 1: 1, and this result qualitatively agreed with the experimental results.

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