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Effects of Channel Hydraulic Diameters and Flow Ratios of Two-Phase Flow in Y-Junction Microchannels
Chemical Engineering & Technology ( IF 1.8 ) Pub Date : 2022-01-20 , DOI: 10.1002/ceat.202100461 Wasim Khan 1 , Abhishek K. Chandra 2 , Sadhana Sachan 3 , Mohammad Siraj Alam 3
Chemical Engineering & Technology ( IF 1.8 ) Pub Date : 2022-01-20 , DOI: 10.1002/ceat.202100461 Wasim Khan 1 , Abhishek K. Chandra 2 , Sadhana Sachan 3 , Mohammad Siraj Alam 3
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The hydrodynamics of two-phase flow of a water-cyclohexane immiscible system with and without obstruction of Y-junction microchannels under slug flow regime were studied numerically. Flow ratios of water and cyclohexane were varied in a wide range. The results indicate that the slug volume decreases linearly with an increase in flow rate of both fluids; however, the rate of declination in the slug volume for water is higher than that of cyclohexane. For a channel with smaller hydraulic diameter the decrease in slug volume was more pronounced at a constant velocity than that for a channel with a larger hydraulic diameter under identical conditions. The effect of fluid properties along the channel length were compared with existing results.
中文翻译：
Y型结微通道中通道水力直径和两相流流量比的影响
数值研究了团状流状态下有和无Y型微通道阻塞的水-环己烷不混溶液体两相流的流体动力学。水和环己烷的流量比在很宽的范围内变化。结果表明，段塞体积随着两种流体流速的增加呈线性减小；然而，水的段塞体积下降率高于环己烷。对于具有较小水力直径的通道，在恒定速度下段塞体积的减少比在相同条件下具有较大水力直径的通道更明显。将沿通道长度的流体特性的影响与现有结果进行了比较。
更新日期：2022-01-20
中文翻译：
Y型结微通道中通道水力直径和两相流流量比的影响
数值研究了团状流状态下有和无Y型微通道阻塞的水-环己烷不混溶液体两相流的流体动力学。水和环己烷的流量比在很宽的范围内变化。结果表明，段塞体积随着两种流体流速的增加呈线性减小；然而，水的段塞体积下降率高于环己烷。对于具有较小水力直径的通道，在恒定速度下段塞体积的减少比在相同条件下具有较大水力直径的通道更明显。将沿通道长度的流体特性的影响与现有结果进行了比较。
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