Numerical analyses and experiments were carried out to obtain the evaporating heat transfer characteristics of falling film on horizontal heated single tube and tube arrays.
2
提出了液体流动为层流和紊流时气泡上升速度的表达式,研究结果与实验数据进行比较,符合较好。
Approximate expressions for the Taylor bubble velocity are proposed, and shown to be in good agreement with the experimental data.
The analysis result of velocity distribution and boundary layer thickness is put forward in the boundary layer and cored region for laminar and turbulent flow of pipeline.