フォトンカウンティング法による円管内オリフィス流のキャビテーション発光領域の可視化

フォーマット:

論文

責任表示:

田部井, 勝稲 ; 白井, 紘行 ; 高草木, 文雄

言語:

日本語

出版情報:

日本機械学会, 1993-12-25

著者名:

• 田部井, 勝稲
• 白井, 紘行
• 高草木, 文雄

掲載情報:

日本機械学會論文集. B編

ISSN:

0387-5016    

巻:

59

通号:

568

開始ページ:

3720

終了ページ:

3725

バージョン:

VoR

概要:

application/pdf<br />Journal Article<br />Emission experiments on cavitation bubbles in water were performed with circular orifice flows. The region emitting faint light due to the bubbles was visualized with the combined method of photon counting and computerized tomography. Emission data obtained from outer-side observation were inverted into internal intensity distributions by means of the modified Abel transformation in which the light-quenching effect … by cavitation bubbles was taken into account. It was observed that, under the condition of large pressure difference before and behind the orifice, a large number of photons were emitted from the region downstream of the cavitation flows, and the emission intensity was strongly dependent upon the pressure difference. The effect of an addition of a small amount of luminol to water was examined to demonstrate the effectiveness of the present method. 続きを見る