Numerical Study on the Mixing Performance of Screw Mixing Elements and Conventional Screw Elements |
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Authors: | CHEN Jin-nan LIU Jie CAO Ying-han PENG Jiong |
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Affiliation: | School of Chemical Engineering and Environment, Beijing Institute of Technology, Beijing 100081, China |
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Abstract: | The flows of rigid polyvinyl chloride (R-PVC) in co-rotating twin screw extruders with screw mixing elements and regular screw elements were simulated by using the finite element method. The three-dimensional,non-isothermal flow fields of R-PVC in the two kinds of screw elements were calculated. The mixing performance of each type of element was studied by the particle tracking analysis method. The results show that the temperature distribution and shear-rate distribution are more uniform in the flow channe... |
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Keywords: | numerical simulation screw mixing element mixing |
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