Modelling of polymer fluid flow and residence time distribution in twin screw extruder using fictitious domain method
The flow behaviour of a polymer melt in the conveying region of an intermeshing corotating twin screw extruder was studied using the combination of mixed finite element and fictitious domain method. The model was a combination of the governing equations of continuity and momentum with Carreau rheolo...
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| Veröffentlicht in: | Plastics, rubber & composites rubber & composites, 2011-10, Vol.40 (8), p.387-396 |
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| creator | Sobhani, H. Ghoreishy, M. H. R. Razavi-Nouri, M. Anderson, P. D. Meijer, H. H. E. |
| description | The flow behaviour of a polymer melt in the conveying region of an intermeshing corotating twin screw extruder was studied using the combination of mixed finite element and fictitious domain method. The model was a combination of the governing equations of continuity and momentum with Carreau rheological model in a three-dimensional Cartesian coordinate system. The equations were solved by the use of a mixed Galerkin finite element technique. The Picard's iterative procedure was used to handle the non-linear nature of the derived equations. The particle tracking technique was used to obtain residence time distribution and analyse distributive mixing in conveying region. The shear rate distribution was investigated as a criterion for dispersive mixing. The applicability of this model was verified by the comparison of experimentally measured pressure and simulation results for high density polyethylene melt. This comparison shows that there is a good adequacy between experimental data and model predictions. |
| doi_str_mv | 10.1179/1743289810Y.0000000032 |
| format | Article |
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H. R. ; Razavi-Nouri, M. ; Anderson, P. D. ; Meijer, H. H. E.</creator><creatorcontrib>Sobhani, H. ; Ghoreishy, M. H. R. ; Razavi-Nouri, M. ; Anderson, P. D. ; Meijer, H. H. E.</creatorcontrib><description>The flow behaviour of a polymer melt in the conveying region of an intermeshing corotating twin screw extruder was studied using the combination of mixed finite element and fictitious domain method. The model was a combination of the governing equations of continuity and momentum with Carreau rheological model in a three-dimensional Cartesian coordinate system. The equations were solved by the use of a mixed Galerkin finite element technique. The Picard's iterative procedure was used to handle the non-linear nature of the derived equations. The particle tracking technique was used to obtain residence time distribution and analyse distributive mixing in conveying region. The shear rate distribution was investigated as a criterion for dispersive mixing. The applicability of this model was verified by the comparison of experimentally measured pressure and simulation results for high density polyethylene melt. 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H. R.</creatorcontrib><creatorcontrib>Razavi-Nouri, M.</creatorcontrib><creatorcontrib>Anderson, P. D.</creatorcontrib><creatorcontrib>Meijer, H. H. E.</creatorcontrib><title>Modelling of polymer fluid flow and residence time distribution in twin screw extruder using fictitious domain method</title><title>Plastics, rubber & composites</title><description>The flow behaviour of a polymer melt in the conveying region of an intermeshing corotating twin screw extruder was studied using the combination of mixed finite element and fictitious domain method. The model was a combination of the governing equations of continuity and momentum with Carreau rheological model in a three-dimensional Cartesian coordinate system. The equations were solved by the use of a mixed Galerkin finite element technique. The Picard's iterative procedure was used to handle the non-linear nature of the derived equations. The particle tracking technique was used to obtain residence time distribution and analyse distributive mixing in conveying region. The shear rate distribution was investigated as a criterion for dispersive mixing. The applicability of this model was verified by the comparison of experimentally measured pressure and simulation results for high density polyethylene melt. This comparison shows that there is a good adequacy between experimental data and model predictions.</description><subject>Applied sciences</subject><subject>Conveying</subject><subject>Exact sciences and technology</subject><subject>Extrusion moulding</subject><subject>Fictitious domain method</subject><subject>Finite element method</subject><subject>Machinery and processing</subject><subject>Mathematical analysis</subject><subject>Mathematical models</subject><subject>Melts</subject><subject>Moulding</subject><subject>Plastics</subject><subject>Polyethylenes</subject><subject>Polymer industry, paints, wood</subject><subject>Residence time distribution</subject><subject>Simulation</subject><subject>Technology of polymers</subject><subject>Twin screw extruder</subject><subject>Twin screw extruders</subject><issn>1465-8011</issn><issn>1743-2898</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><recordid>eNqNkU2PFCEQhonRxM24f8FwMXrpla-m6eNmo6vJGi968ESq-Vgx3TACnXH-vXRm_Di5QlKQ1PO-VVAIPafkitJhfE0HwZkaFSVfrsh5cfYIXWyJbss8bnch-04RSp-iy1LCRIjqieTjcIHWD8m6eQ7xHieP92k-Li5jP6_BtpgOGKLF2ZVgXTQO17A4bEOpOUxrDSniEHE9tFBMdgfsftS82uawls3SB1NDw9aCbVqgYYurX5N9hp54mIu7PJ879Pntm08377q7j7fvb67vOiOUqJ1hIKUZW6t06qlxExUgRs-VFx4oWKDTSAxIxmAiEgwZe8sFc3Jw0kzK8R16efLd5_R9daXqJRTT3gvRtab0KLmSnLX9XyTjvWrkq3-SVA5UcErUhsoTanIqJTuv9zkskI-aEr2NT_81Pv1nfE344lwDioHZZ4gmlN9qJiQZZKuyQ_zEFbh3-ltac2zf-bD79UkVok95gUPKs9UVjnPKv0rxBzx-Agj_vtA</recordid><startdate>20111001</startdate><enddate>20111001</enddate><creator>Sobhani, H.</creator><creator>Ghoreishy, M. 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The particle tracking technique was used to obtain residence time distribution and analyse distributive mixing in conveying region. The shear rate distribution was investigated as a criterion for dispersive mixing. The applicability of this model was verified by the comparison of experimentally measured pressure and simulation results for high density polyethylene melt. This comparison shows that there is a good adequacy between experimental data and model predictions.</abstract><cop>London, England</cop><pub>Taylor & Francis</pub><doi>10.1179/1743289810Y.0000000032</doi><tpages>10</tpages></addata></record> |
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| ispartof | Plastics, rubber & composites, 2011-10, Vol.40 (8), p.387-396 |
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| subjects | Applied sciences Conveying Exact sciences and technology Extrusion moulding Fictitious domain method Finite element method Machinery and processing Mathematical analysis Mathematical models Melts Moulding Plastics Polyethylenes Polymer industry, paints, wood Residence time distribution Simulation Technology of polymers Twin screw extruder Twin screw extruders |
| title | Modelling of polymer fluid flow and residence time distribution in twin screw extruder using fictitious domain method |
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