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キセノンを含むキャビテーション気泡の非平衡プラズマ理論
- フォーマット:
- 論文
- 責任表示:
- 田部井, 勝稲 ; 白井, 紘行 ; 本島, 淳一
- 言語:
- 日本語
- 出版情報:
- 日本機械学会, 1999-05-25
- 著者名:
- 掲載情報:
- 日本機械学會論文集. B編
- ISSN:
- 0387-5016
- 巻:
- 65
- 通号:
- 633
- 開始ページ:
- 1652
- 終了ページ:
- 1657
- バージョン:
- VoR
- 概要:
- application/pdf<br />Journal Article<br />The behavior of a single xenon bubble in an adiabatic compression process was investigated theoretically. Rayleigh's equation for the bubble dynamics was coupled with the detailed collisional and radiative processes for xenon plasma to obtain plasma conditions in a bubble. A two-temperature model for electrons and heavy particles was adopted to estimate the luminescence property from a spherical bubble. For the … conditions of initial bubble radius of 10 to 150 μm and pressure change of 200 to 800 kPa, the maximum electron temperature ranged from 5000 to 15000 K and electron number densities about 10^<17> to 10^<20> cm^<-3> at the minimum bubble radius. The plasma in a bubble was in thermally nonequilibrium state during the compression process, and generally the maximum electron temperature was significantly lower than the heavy particle one. The emission intensity from cavitation bubbles was sensitive to the change rate of pressure and the bubble radius. 続きを見る
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