Numerical Analysis on Cavitation Inside the Nozzle with Bubble Nucleation Model
気泡核生成モデルを考慮したノズル内キャビテーションに関する数値解析
The atomization phenomena of the fuel spray are known to be affected by flow conditions and cavitation inside the nozzle hole. Generally, it is known that bubble nuclear number increases with the increase in superheating degree on the liquid. So, the defining equation of cavitation inception is extremely important. In this report, bubble nucleation model was incorporated in commercial code of Star-CCM+ scheme which set bubble nuclear number of uniformity. And it was verified that the increase of bubble nuclear number affect the energy generated with cavitation bubble collapse.一般に液体の過熱度の増大に伴い発泡気泡核数は指数関数的に増加することが知られており，キャビテーション初生の取り扱いは極めて重要である．そこで本研究では，発泡気泡核数を一定と定めている汎用熱流体解析ソフトSTAR-CCM+に気泡核生成モデルを組み込み，気泡核数の増大が気泡崩壊エネルギに及ぼす影響について検証した．
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- Record URL:
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Availability:
- Find a library where document is available. Order URL: http://worldcat.org/issn/02878321
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Authors:
- Murakami, Shingo
- Inagaki, Ryosuke
- Kobashi, Yoshimitsu
- Matsumura, Eriko
- Senda, Jiro
- Publication Date: 2017-5
Language
- English
- Japanese
Media Info
- Media Type: Digital/other
- Features: Figures; References; Tables;
- Pagination: pp 745-749
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Serial:
- Transactions of Society of Automotive Engineers of Japan
- Volume: 48
- Issue Number: 3
- Publisher: Society of Automotive Engineers of Japan
- ISSN: 0287-8321
- EISSN: 1883-0811
- Serial URL: https://www.jstage.jst.go.jp/browse/jsaeronbun
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Publication flags:
Open Access (libre)
Subject/Index Terms
- TRT Terms: Bubbles; Cavitation (Mechanics); Computer models; Fluid dynamics; Fuel injectors; Nozzles; Nucleation; Numerical analysis
- Subject Areas: Highways; Vehicles and Equipment;
Filing Info
- Accession Number: 01674050
- Record Type: Publication
- Source Agency: Japan Science and Technology Agency (JST)
- Files: TRIS, JSTAGE
- Created Date: Jun 28 2018 2:01PM