摘要
本文提出在蒸发过程中汽、液两相流的流动机构为泡状流和弹状流。根据汽泡、汽弹在静止液中的上升速度,求得了上升流体中汽泡和汽弹的上升速度。得出泡状流和弹状流截面含汽率的计算式。用γ射线法对蒸发过程中汽、液两相流截面含汽率进行测试,并确定了式中的待定系数。
The flow pattern of vapor-liquid two phases in evaporation process is considered as bubble flow and slug flow, and the correlation of the vapor hold-up in two phases flow is derived from the rising velocities of the bubble and slug, which is obtained from the velocities of them in static liquid, The coefficients in the correlation are determined by a measurement on the vapor hold-up of theevaporation process with γ-ray detection.
出处
《化学工程》
CAS
CSCD
北大核心
1990年第2期13-17,共5页
Chemical Engineering(China)
基金
国家自然科学基金
