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Title: Homogeneous nucleation in water in microfluidic channels
Authors: Ando, Keita
Liu, Ai Qun
Ohl, Claus-Dieter
Issue Date: 2012
Source: Ando, K., Liu, A.- Q., & Ohl, C.- D. (2012). Homogeneous nucleation in water in microfluidic channels. Physical Review Letters, 109(4).
Series/Report no.: Physical Review Letters
Abstract: It has been an experimental challenge to test the rupture of liquids with homogeneous nucleation of vapor bubbles. Many prior studies suffered from the ubiquitous presence of impurities in liquids or at container surfaces that spontaneously nucleate and grow under tension. Here, we propose a microfluidic approach to eliminate such impurities and obtain homogeneous bubble nucleation. We stretch the liquid dynamically via the interaction between a laser-induced shock and an air-liquid interface in a microchannel. Reproducible observations of the nucleation of vapor bubbles are obtained, supporting our claim of homogeneous nucleation. From comparisons of the distribution of vapor cavities with Euler flow simulations, the nucleation threshold for water at room temperature is predicted to be -60  MPa.
DOI: 10.1103/PhysRevLett.109.044501
Rights: © 2012 American Physical Society. This paper was published in Physical Review Letters and is made available as an electronic reprint (preprint) with permission of American Physical Society. The paper can be found at the following official DOI: []. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Fulltext Permission: open
Fulltext Availability: With Fulltext
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