Title: POPULATION BALANCE MODEL FOR PREDICTING INTERFACIAL AREA ON DISTILLATION TRAY
Abstract:The bubble dispersion behavior in the liquid on a sieve tray is studied on the basis of Kolmogoroff's isotropic turbulence theory.The bubble breakage rate model is derived from the mechanism of deform...The bubble dispersion behavior in the liquid on a sieve tray is studied on the basis of Kolmogoroff's isotropic turbulence theory.The bubble breakage rate model is derived from the mechanism of deformation of bubbles bombarded by the turbulent eddies and the probability of bubble breakup,and the bubble coalescence rate model is developed through comparison between the contact time of bubbles and the time required for bubble coalescence.The dynamic bubble population balance model is established on the basis of comprehensive analysis of the effect of breakage and coalescence on bubble size distribution in the bubbling liquid,and is solved numerically to give bubble population density which is analogous to the lognormal distribution function and is in agreement with the experimental results.The population balance model has been proved to be useful for predicting the gas-liquid interfacial area,which is important to the design of distillation tray and optimization of distillation operation.So it has good prospects for the accurate simulation of the dispersion characteristic of the multiphase turbulent system in processing engineerinng.Read More
Publication Year: 2003
Publication Date: 2003-01-01
Language: en
Type: article
Access and Citation
AI Researcher Chatbot
Get quick answers to your questions about the article from our AI researcher chatbot