CRITERIA FOR THE BREAK-UP OF THIN LIQUID LAYERS FLOWING ISOTHERMALLY OVER SOLID SURFACES. Nuclear Engineering Laboratory Memorandum Q 5
CRITERIA FOR THE BREAK-UP OF THIN LIQUID LAYERS FLOWING ISOTHERMALLY OVER SOLID SURFACES. Nuclear Engineering Laboratory Memorandum Q 5
复制标题
DOI：
10.1016/0017-9310(64)90042-0
复制
发表时间：
1961-09
期刊：
影响因子：
--
通讯作者：
D. Hartley;W. Murgatroyd
中科院分区：
文献类型：
--
作者：
D. Hartley;W. Murgatroyd
从理论上研究了薄液膜趋于完全润湿固体表面的条件。两个（非常相似）的标准建议，一个是基于力平衡的上游滞流点的干补丁，其他的最小总能量率在一个横向unrestricted stream.The标准已被应用到垂直重力流层流膜和层流和湍流膜的动机只有在自由液面处的剪切力。后面这些例子对于气液两相流中的燃尽特别有意义，与实验证据的比较似乎很有希望，但显然需要更详细的实验。
The conditions under which a thin liquid film will tend to completely wet a solid surface over which it is flowing are studied theoretically. Two (very similar) criteria are suggested; one is based on a force balance at the upstream stagnation point of a dry-patch, the other on the minimum total energy rate in a transversely unrestrained stream.The criteria have been applied to vertical gravity flow of laminar films and to both laminar and turbulent films motivated only by shear forces at the free liquid surface. These latter examples are of special interest with regard to the burn-out in two-phase gas-liquid flows.Comparisons with experimental evidence appear promising but more detailed experimentation is clearly needed.