Simple model for power consumption in aerated vessels stirred by Rushton disk turbines

A Paglianti, K Takenaka, Waldemar Bujalski

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

Accurate prediction of power consumption of impeller in ail aerated vessel is crucial for a successful scale-up, operation, and design of reactors in general. A mechanistic model with a correlation that can accurately predict power consumption was developed. Taking into account both geometrical parameters and physical properties of the working fluids, this model reduces the number of adjustable parameters better than published empirical relations. It has the advantage of allowing the user to easily scale up agitated vessels and to evaluate power consumption even for large-scale equipment. It has been tested only for Rushton turbines, however, because it is simply based on mass balances, energy balances and continuity equations, it could also be implemented for use with other impellers with very, few modifications.
Original languageEnglish
Pages (from-to)2673-2683
Number of pages11
JournalAIChE Journal
Volume47
Early online date1 Jan 2006
DOIs
Publication statusPublished - 1 Jan 2006

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