Effects of Eccentric Distribution of Stirrer on Dispersivity of Suspended Particles
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Abstract:
The polypropylene was used as suspended particle, and numeral simulation was performed to investigate the effects of different stirring styles. The model was first examined based on the CFD simulation and experiments to obtain the reasonable results, and then the k-εunsteady model was adopted to simulate the flowing field of eccentric agitation. The simulated results were verified with the experimental results to analyze the impacts of different eccentric degrees on the velocity distribution, turbulence kinetic energy, and mixing effects and time of polypropylene. The results showed that the offset ratio is about 0.22, and when the immersion depth is 35% of the bottle height, the flowing field is well distributed with small “death zone”, which is beneficial to the mixing of polypropylene.
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