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- Tsuda Takeaki
- Graduate School of Science and Technology , Niigata University
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- Hasegawa Tomiichi
- Faculty of Engineering, Niigata University
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- Narumi Takatune
- Faculty of Engineering, Niigata University
Bibliographic Information
- Other Title
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- 2段分配室付押出し金型内の流れに関する研究
- 2ダン ブンパイシツ ツキ オシダシ カナガタ ナイ ノ ナガレ ニ カンスル ケンキュウ
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Abstract
One-dimensional flow model for non-Newtonian fluids in a dual cavity slot die is presented. The viscosity of non-Newtonian fluids is treated as the Ellis model. The conservation equations of mass and momentum in a dual-cavity slot die are one-dimensionally simplified by assuming an appropriate mean flow over the cross section of the flow. The flow field in the slot is assumed to be fully developed. The equations of flow for the cavity and the slot are derived separately and then coupled. We use a finite difference method to solve these governing equations. Using this model, we find that the location and the cross-section area of a secondary cavity have large effects on the distribution of outlet flow. It is concluded that the dual cavity die can effectively reduce the flow non-uniformity.
Journal
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- Nihon Reoroji Gakkaishi
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Nihon Reoroji Gakkaishi 30 (4), 179-185, 2002
The Society of Rheology, Japan
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Keywords
Details 詳細情報について
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- CRID
- 1390282680070338304
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- NII Article ID
- 10029814375
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- NII Book ID
- AN00198812
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- COI
- 1:CAS:528:DC%2BD38XptlGhs7k%3D
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- ISSN
- 21864586
- 03871533
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- NDL BIB ID
- 6304024
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- Text Lang
- ja
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- Data Source
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- JaLC
- IRDB
- NDL
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed