高热流作用下微通道内的周期性射流特性

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Publication date
1 January 2009
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Abstract

在低质量流速和高热流密度下，对深度为30μm的微通道内的流动沸腾进行了实验研究，发现了毫秒级周期性喷射流型、液膜的波动及液丝的断裂现象。分析表明，喷射周期的长短与沸腾数（Bo）有关，界面非平衡蒸发导致液丝失稳及液膜波动；微通道宽度方向上的Marangoni效应引起液膜和液丝的收缩、波动及断裂

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