The conclusions are as follows: at entrance, the thickness of the LFF of the developing regions increases very fast, and then increases slower till it intersects with the velocity boundary layer.

• 本文主要结论是：在入口处，液膜发展段边界层厚度的增长与减小很快，此后这种趋势沿流向减缓，直到在下游某处与速度边界层厚度曲线相交，其后成为定型段，膜厚及其流动特性不发生改变；