Article | REF: J3800 V1

Agitation. Mixing - Basic theoretical concepts

Authors: Michel ROUSTAN, Jean-Claude PHARAMOND, Alain LINE

Publication date: June 10, 1999

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4. Local parameters of an agitation system

Local analysis of agitated tank behavior offers several advantages. Knowing the velocity field at any point in the tank gives access to the overall circulation, the location of dead water zones and zones with high velocity gradients. Knowing the velocity field induced by an agitator enables you to choose the position and type of agitator best suited to a given process: suspension, dispersion of solid particles or dispersion of bubbles or drops. Knowledge of the turbulent field makes it possible to quantify mixing by estimating the characteristic scales of energetic vortices, the associated energy level and the energy dissipation rate.

To access local quantities, experimental analysis is essential 4.1

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Local parameters of an agitation system
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