Memory-Effect on Acoustic Cavitation

Yavaṣ, Oğuz; Leiderer, Paul; Park, Hee K.; Grigoropoulos, Costas P.; Poon, Chie C.; Tam, Andrew C.

Memory-Effect on Acoustic Cavitation

Files

154_procspie_1994.pdf(366.71 KB)

Date

1994

Authors

Yavaṣ, Oğuz

Leiderer, Paul

Park, Hee K.

Grigoropoulos, Costas P.

Poon, Chie C.

Tam, Andrew C.

Publication type

Contribution to a conference collection

Published in

Proceedings SPIE2498 (1994). - pp. 41-44

Abstract

The formation of bubbles at a liquid-solid interface due to acoustic cavitation depends particularly on the preconditions of the interface. Here, it wiIl be shown that following laser-induced bubble formation at the interface the acoustic cavitation efficiency is strongly enhanced. Optical reflectance measurements reveal that this observed enhancement of acoustic cavitation due to preceding laser-induced bubble formation, which could be termed as memory effect, decays in a few hundred microseconds. By performiag a double-pulse experiment using two excimer lasers the influence of process parameters, such as liquid temperature and sdt concentration, on the temporal decay of the memory effect has been studied. An analysis of the experimental results by a diffusion madel is presented.

Subject (DDC)

530 Physics

Cite This

ISO 690

YAVAṢ, Oğuz, Paul LEIDERER, Hee K. PARK, Costas P. GRIGOROPOULOS, Chie C. POON, Andrew C. TAM, 1994. Memory-Effect on Acoustic Cavitation. In: Proceedings SPIE. 2498, pp. 41-44

BibTex

@inproceedings{Yavas1994Memor-9091,
  year={1994},
  title={Memory-Effect on Acoustic Cavitation},
  booktitle={Proceedings SPIE},
  pages={41--44},
  author={Yavaṣ, Oğuz and Leiderer, Paul and Park, Hee K. and Grigoropoulos, Costas P. and Poon, Chie C. and Tam, Andrew C.}
}

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