T型微通道内液-液两相流流型研究Study on Liquid-Liquid Two-Phase Flow Patterns in a T-Shaped Microchannel
王晓军,张林,吴苏晨,张程宾,刘向东
摘要(Abstract)：
论文建立了T型微通道内液-液两相流动理论模型并采用格子Boltzmann方法进行了数值模拟,研究了T型微通道内液-液两相流型形成机制及其影响因素。采用已有文献中的实验数据验证了模型的合理性。研究结果表明,T型微通道液-液两相流流型主要由两相入口流量比和离散相We数决定,通过调整入口流量比和离散相We数,可获得弹状流、离散液滴、平行流等经典流型。离散相的相对长度受连续相毛细数Ca影响明显。当连续相毛细数较大,离散相形成液滴,离散相相对长度随连续相毛细数Ca呈单调减少趋势。
关键词(KeyWords)： 格子Boltzmann方法;微通道;两相流动;数值模拟
基金项目(Foundation): 中国工程物理研究院科学技术发展基金(2013A0302016,2013B0302051,2015B0302071)
作者(Author): 王晓军,张林,吴苏晨,张程宾,刘向东
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