K-1437 レーザ捕捉されたマイクロバブルのサイズと散乱強度の測定(S16-4 キャビテーションおよび気液系流れのダイナミクス(4))(S16 キャビテーションおよび気液系流れのダイナミクス)

概要

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The laser trapping method is useful to make experiments of bubble collapse and nonlinear oscillations because we can successfully hold and control the position of microbubbles without contact. A microbubble of the order of 10 μm in diameter has been trapped by using a dry objective lens with large working distance and observed by CCD camera. We investigate the relationship between scattered intensity and bubble size with scattering theory; the bubble size is measured by pictures of CCD camera and the scattered intensity is taken by photo-multiplier. It is shown that the scattered intensity is nearly proportional to the bubble size.
一般社団法人日本機械学会の論文
2001-08-22