Elucidation of Flow Characteristics in Honeycomb Structure for Nanobubble Generating Apparatus
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- NODA Nao-Aki
- 九州工業大学工学研究院
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- TAKATA Kakeru
- 九州工業大学大学院
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- KAWANO Ryo
- 九州工業大学大学院
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- ZHAI Hongfang
- 九州工業大学大学院
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- SANO Yoshikazu
- 九州工業大学大学院工学研究院
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- TAKASE Yasushi
- 九州工業大学戸畑・若松キャンパス技術部
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- YONEZAWA Yuji
- 株式会社丸福水産
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- UMEKAGE Toshihiko
- 九州工業大学大学院工学研究院
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- TANAKA Hiroyuki
- 九州工業大学大学院工学研究院
Bibliographic Information
- Other Title
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- ハニカム構造体を用いるナノバブル生成法におけるバブル生成密度の考察
Abstract
<p>The previous study revealed that a nanobubble generator using honeycomb structures may produce a large amount of water including large nanobubble density in a short time. In this paper, numerical simulations are performed for bubbly flow in the honeycomb structure by applying a computational fluid dynamics (CFD) coupled with a population balance model (PBM). The numerical model is based on the Eulerian multiphase model and the PBM was used to calculate the gas bubble size distribution considering the bubble coalescence and breakage. The results show that bubble size distributions in the honeycomb structure under different inlet absolute pressure can be predicted by the PBM. It may be concluded that the maximum shear stress is the main controlling factor for the nanobubble generation.</p>
Journal
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- JOURNAL OF JAPAN SOCIETY FOR DESIGN ENGINEERING
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JOURNAL OF JAPAN SOCIETY FOR DESIGN ENGINEERING 56 (3), 133-148, 2021
Japan Society for Design Engineering
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Details
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- CRID
- 1390287297543854720
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- NII Article ID
- 130007995289
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- ISSN
- 21889023
- 09192948
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- Text Lang
- ja
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- Data Source
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- JaLC
- CiNii Articles
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- Abstract License Flag
- Disallowed