Pumping Characteristics of a Helical Screw Agitator with a Draught Tube
In the use of helical type agitator, the mixing process is usually restricted to the laminar flow regime. Common examples of laminar mixing are found where the fluid has a very high viscosity, i.e., pseudoplastic fluids. It can be indicated that a helical type agitator is sufficiently suited to the...
| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
The Japan Society of Mechanical Engineers
2008-09-01
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| Series: | Journal of Fluid Science and Technology |
| Subjects: | |
| Online Access: | https://www.jstage.jst.go.jp/article/jfst/3/6/3_6_713/_pdf/-char/en |
| _version_ | 1798020978197921792 |
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| author | Jung-Hoon HWANG Youn-Jea KIM |
| author_facet | Jung-Hoon HWANG Youn-Jea KIM |
| author_sort | Jung-Hoon HWANG |
| collection | DOAJ |
| description | In the use of helical type agitator, the mixing process is usually restricted to the laminar flow regime. Common examples of laminar mixing are found where the fluid has a very high viscosity, i.e., pseudoplastic fluids. It can be indicated that a helical type agitator is sufficiently suited to the creeping flow mixing. The pumping characteristic of a Helical Screw Agitator with a draught tube (HSA) is required to evaluate its capacity for the optimal configuration of the mixing chamber. It could be executed by changing some parameters such as the number of helix, the angular velocity and the rotating direction and so on. In this study, the numerical simulation was carried out with the Eulerian multiphase mixture model and the moving mesh approximation. Some of the optimum design parameters have been developed with the aid of numerical data from the Computational Fluid Dynamics (CFD) analysis. Using the commercial code, Fluent, the pumping characteristics in the HSA are investigated from the rheological properties, and the results are graphically depicted. |
| first_indexed | 2024-04-11T17:06:29Z |
| format | Article |
| id | doaj.art-fd4a9436f38e465e91794f80864a7845 |
| institution | Directory Open Access Journal |
| issn | 1880-5558 |
| language | English |
| last_indexed | 2024-04-11T17:06:29Z |
| publishDate | 2008-09-01 |
| publisher | The Japan Society of Mechanical Engineers |
| record_format | Article |
| series | Journal of Fluid Science and Technology |
| spelling | doaj.art-fd4a9436f38e465e91794f80864a78452022-12-22T04:13:01ZengThe Japan Society of Mechanical EngineersJournal of Fluid Science and Technology1880-55582008-09-013671372110.1299/jfst.3.713jfstPumping Characteristics of a Helical Screw Agitator with a Draught TubeJung-Hoon HWANG0Youn-Jea KIM1Graduate School of Mechanical Engineering, Sungkyunkwan UniversitySchool of Mechanical Engineering, Sungkyunkwan UniversityIn the use of helical type agitator, the mixing process is usually restricted to the laminar flow regime. Common examples of laminar mixing are found where the fluid has a very high viscosity, i.e., pseudoplastic fluids. It can be indicated that a helical type agitator is sufficiently suited to the creeping flow mixing. The pumping characteristic of a Helical Screw Agitator with a draught tube (HSA) is required to evaluate its capacity for the optimal configuration of the mixing chamber. It could be executed by changing some parameters such as the number of helix, the angular velocity and the rotating direction and so on. In this study, the numerical simulation was carried out with the Eulerian multiphase mixture model and the moving mesh approximation. Some of the optimum design parameters have been developed with the aid of numerical data from the Computational Fluid Dynamics (CFD) analysis. Using the commercial code, Fluent, the pumping characteristics in the HSA are investigated from the rheological properties, and the results are graphically depicted.https://www.jstage.jst.go.jp/article/jfst/3/6/3_6_713/_pdf/-char/enscrew agitatorhigh viscous fluidspumping characteristicscfd |
| spellingShingle | Jung-Hoon HWANG Youn-Jea KIM Pumping Characteristics of a Helical Screw Agitator with a Draught Tube Journal of Fluid Science and Technology screw agitator high viscous fluids pumping characteristics cfd |
| title | Pumping Characteristics of a Helical Screw Agitator with a Draught Tube |
| title_full | Pumping Characteristics of a Helical Screw Agitator with a Draught Tube |
| title_fullStr | Pumping Characteristics of a Helical Screw Agitator with a Draught Tube |
| title_full_unstemmed | Pumping Characteristics of a Helical Screw Agitator with a Draught Tube |
| title_short | Pumping Characteristics of a Helical Screw Agitator with a Draught Tube |
| title_sort | pumping characteristics of a helical screw agitator with a draught tube |
| topic | screw agitator high viscous fluids pumping characteristics cfd |
| url | https://www.jstage.jst.go.jp/article/jfst/3/6/3_6_713/_pdf/-char/en |
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