2013 Fiscal Year Final Research Report
Study on a new sterilization technology of ship ballast water using shock waves
| Project/Area Number |
22360367
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Naval and maritime engineering
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| Research Institution | Kobe University |
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Principal Investigator |
ABE Akihisa 神戸大学, 海事科学研究科(研究院), 教授 (50221726)
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| Co-Investigator(Kenkyū-buntansha) |
NISHIO Shigeru 神戸大学, 大学院・海事科学研究科, 教授 (30208136)
SOU Akira 神戸大学, 大学院・海事科学研究科, 教授 (20314502)
MIMURA Haruo 神戸大学, 大学院・海事科学研究科, 教授 (90190727)
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| Project Period (FY) |
2010-04-01 – 2014-03-31
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| Keywords | 船舶バラスト水 / 衝撃波 / 無隔膜衝撃波生成装置 / マイクロバブル / 気泡運動 / リバウンド衝撃波 / 殺菌 |
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| Research Abstract |
Fundamental studies have been carried out for a new sterilization technique of ballast water treatment using rebound shock waves generated by microbubbles. When a microbubble is interacted with a shock wave, ideal spherical collapse is often confirmed and the bubble behavior is estimated by Herring's bubble motion equation. A 2-dim numerical simulation scheme for solving shock problems in two-phase media has been developed and we could obtain reasonable results. In the other hand, a new diaphragmless shock tube assisted by magnetic force was designed and assembled. Using this device the shock wave generation in water through elastic materials was confirmed. In addition, a hybrid analysis that estimates the effects of a shock wave sterilization method was proposed.
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