| 3D Transient Flow Field Simulation of Rubber Melt in Internal Mixer |
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| DOI： |
| Key Words: internal mixer；rubber；flow field；finite element analysis |
| Author Name | Affiliation | | TENG Wei | Beijing University of Chemical Technology | | XU Zi-cheng | Beijing University of Chemical Technology | | TIAN Ming | Beijing University of Chemical Technology | | YANG Hai-bo | Beijing University of Chemical Technology |
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| Abstract: |
| A 3D finite element model of the non-isothermal non-Newton rubber melt in internal mixer was built，using the real geometry of mixing chamber and assuming the chamber was completely filled.From the finite element simulation results the distribution of flow field parameters such as pressure，velocity，temperature，shear rate and so on was analyzed.It could be concluded that，large pressure gradient existed in the gap region between the rotor tip and internal wall of the mixing chamber；rubber melt in the wedging region flew into the middle area between the rotors；the flow direction of the rubber melt in the back pressure region was opposite to that in the gap region；and the temperature of the rubber melt in the gap region and in the area between the rotors was higher. |
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