Mixing Characteristics of Newtonian Fluid by a Multi-Holed Static Mixer
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- Suzuki Hiroshi
- Graduate School of Science and Technology, Kobe University
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- Minami Masafumi
- Graduate School of Science and Technology, Kobe University
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- Kubo Kenji
- R&D Center, Fujikin Inc.
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- Shoji Katsutoshi
- R&D Center, Fujikin Inc.
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- Komoda Yoshiyuki
- Department of Chemical Science and Engineering, Kobe University
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- Usui Hiromoto
- Department of Chemical Science and Engineering, Kobe University
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The mixing characteristics of a multi-holed static mixer have been studied for Newtonian fluid. A multi-holed static mixer composed of five pairs of 4- and 5-hole elements. The size of straight part of the hole, a, was changed in two steps of 2 mm and 5 mm and its inlet and outlet size, d, was also changed in two steps of 4 or 6 mm in the cases of a = 2 mm. The fluid viscosity and flow rate were also changed as parameters. Flow visualization experiments in a test pipe with 18 mm diameter were performed in order to observe the occupation ratio of dyed fluid, which is injected from the nozzle with 4 mm diameter mounted in the upstream of the static mixer. From the results, it is found that the Reynolds number based on the mean velocity in the 4 hole element and the hole size, Rea, multiplied by a delivery ratio of the hole, d/a, well correlates the mixing and pressure loss characteristics. This is because there exist two mixing processes in the present static mixing system. One is the mixing process in a small hole by accelerated flow and the other is a delivery effect between holes.
収録刊行物
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- JOURNAL OF CHEMICAL ENGINEERING OF JAPAN
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JOURNAL OF CHEMICAL ENGINEERING OF JAPAN 39 (8), 807-813, 2006
公益社団法人 化学工学会
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詳細情報 詳細情報について
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- CRID
- 1390001204568907136
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- NII論文ID
- 10018206087
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- NII書誌ID
- AA00709658
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- ISSN
- 18811299
- 00219592
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- NDL書誌ID
- 8018030
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可