不平等電界下における極低温液体中の熱気泡挙動の解析

• Material Type: 記事
• Title: 不平等電界下における極低温液体中の熱気泡挙動の解析
• Author/Editor: 原 雅則; 才田 健二; 斎藤 弘勝
• Author Heading: 原 雅則; 才田 健二; 斎藤 弘勝
• Periodical title: 電気学会論文誌. A, 基礎・材料・共通部門誌 = IEEJ transactions on fundamentals and materials
• No. or year of volume/issue: 113(4) 1993.04
• Volume: 113
• Issue: 4
• Pages: p337～344
• Publication date of volume/issue (W3CDTF): 1993-04
• ISSN (Periodical Title): 0385-4205
• ISSN-L (Periodical Title): 0385-4205
• Publication (Periodical Title): 東京 : 電気学会
• Place of Publication (Country Code): JP
• Text Language Code: jpn
• NDLC: ZN31
• Target Audience: 一般
• Article Type: 記事分類: 電気工学--電気理論・電気回路
• Holding library: 国立国会図書館
• Call No.: Z16-793
• Data Provider (Database): 国立国会図書館 : 国立国会図書館雑誌記事索引; https://ndlsearch.ndl.go.jp
• Bibliographic ID (NDL): 3823466; http://id.ndl.go.jp/bib/3823466
• Bibliographic Record Category (NDL): 632

• Summary, etc.: The behavior of bubbles in cryogenic liquids under non-uniform fields is studied analytically. A plane-to-cylinder with/without fins is given as an electrode system for producing non-uniform fields. The results show that the bubbles near the tip of high stress electrode like a triangular fin are blown away by the gradient force before breakdown and the force acting on the bubble produces more than an acceleration of 1, 000G, but those trapped in the groove between fins are pressed by the Maxwell stress in the direction of the groove bottom. This suggests that the heat transfer is promoted near the fin top while at the bottom of the groove the nucleate boiling turns to the local film boiling by the voltage application and the heat transfer is reduced there. In a plane-to-cylinder without fins, a spatial region balancing the gradient and gravitational forces appears even if the applied voltage is much lower than the breakdown one and a vapor column bridging between electrodes is believed to be formed in that region. However the vapor column may not seriously affect the breakdown voltage because its formation occurs away from the shortest gap.
• DOI: 10.1541/ieejfms1990.113.4_337
• Access Restrictions: インターネット公開
• Data Provider (Database): 科学技術振興機構 : J-STAGE; http://www.jstage.jst.go.jp

• Summary, etc.: The behavior of bubbles in cryogenic liquids under non-uniform fields is studied analytically. A plane-to-cylinder with/without fins is given as an electrode system for producing non-uniform fields. The results show that the bubbles near the tip of high stress electrode like a triangular fin are blown away by the gradient force before breakdown and the force acting on the bubble produces more than an acceleration of 1, 000G, but those trapped in the groove between fins are pressed by the Maxwell stress in the direction of the groove bottom. This suggests that the heat transfer is promoted near the fin top while at the bottom of the groove the nucleate boiling turns to the local film boiling by the voltage application and the heat transfer is reduced there. In a plane-to-cylinder without fins, a spatial region balancing the gradient and gravitational forces appears even if the applied voltage is much lower than the breakdown one and a vapor column bridging between electrodes is believed to be formed in that region. However the vapor column may not seriously affect the breakdown voltage because its formation occurs away from the shortest gap.
• DOI: 10.1541/ieejfms1990.113.4_337; https://doi.org/10.1541/ieejfms1990.113.4_337
• Access Restrictions: インターネット公開
• Related Material (URI): http://id.ndl.go.jp/bib/3823466; https://ndlsearch.ndl.go.jp/books/R000000004-I3823466; https://www.jstage.jst.go.jp/article/ieejfms1990/113/4/113_4_337/_pdf
• Data Provider (Database): 国立情報学研究所 : CiNii Research; https://cir.nii.ac.jp/
• Original Data Provider (Database): Japan Link Center; https://japanlinkcenter.org/top; 雑誌記事索引データベース; https://ndlsearch.ndl.go.jp; Crossref; https://www.crossref.org; CiNii Articles
• Bibliographic ID (NDL): 3823466; http://id.ndl.go.jp/bib/3823466
• NAID: 130006838479; 10004169095