摘要
选用流变性质不同的三种物系:糖浆、CMC溶液、鲍格流体,在直径为0.286m的釜内,以不同结构的螺带桨进行搅拌,测定了功率、混合时间、速度分布和流型。分析了流变性质如粘度的剪切依赖性、弹性等对这些性能的影响,并在流型观测的基础上对功率、混合时间的变化规律作了解释。
Power consumption, mixing time, velocity distribution and How patterns in agitated vessel of 0.286m in diameter with various types of helical ribbon impellers were measured with syrup, CMC solution and Boger fluid as test fluids. The effects of rheological properties of the fluids on axial velocity, tangentical velocity and radial velocity in the vessel with the presence of secondary flow were quantitatively described. It was also indicated that flow patterns of high viscoelastic fluid were quite different from those of high viscous fluid. Interpretations of power consumption and mixing time data were given on the basis of flow pattern observations.
出处
《化工学报》
EI
CAS
CSCD
北大核心
1989年第5期597-605,共9页
CIESC Journal
