| Comparative Investigation on Mixing Efficiency of Traditional Rotor and New 4∶1 Rotor |
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| DOI： |
| Key Words: shearing-type 4∶1 rotor；finite element analysis method；particle tracking；mixing efficiency |
| Author Name | Affiliation | | LIU Jinpeng | Beijing University of Chemical Technology | | YANG Haibo | Beijing University of Chemical Technology | | LI Fanzhu | Beijing University of Chemical Technology | | ZHANG Liqun | Beijing University of Chemical Technology |
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| Abstract: |
| The velocity fields of traditional 2∶1 rotor and new 4∶1 rotor of internal mixer were simulated using finite element POLYFLOW software.The resulted velocity profiles were used to calculate the paths of material points in order to analyze the distributive mixing and overall efficiency of the mixer over time.Visual inspection of the material points distribution，scale of segregation，mean length of stretch and mixing efficiency were used to evaluate the mixing effectiveness of these two rotors.Statistical results showed that，the new shearing-type 4∶1 rotor was more effective and efficient than traditional 2∶1 rotor in distributive mixing while keeping high efficiency of the dispersive mixing. |
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