期刊
ULTRASONICS
卷 100, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.ultras.2019.105972
关键词
Three wave parametric coupling; Ultrasound pumping; Gravity-capillary waves; Interaction amplitudes; Instability threshold
资金
- CNRS
- RFBR [18-52-16001]
Nonlinear parametric coupling of gravity-capillary waves (GCW) by ultrasound wave impinging on a liquid surface is studied experimentally. Modulation of the plane wave radiation pressure by dynamically curved surface of the liquid is considered as a mechanism of the coupling. The standing GCW modes are excited near antinodes by ultrasound beam of carrier frequency 1.030 MHz and coupled parametrically by a plane ultrasound wave with a frequency 1.035 MHz. The beam was modulated at resonance frequencies of GCW overtones f(2) = 5.265 Hz and f(4) = 7.873 Hz while intensity of the plane wave was modulated at frequency f(p) = 2.657 Hz that corresponds to the nonlinear parametric resonance f(p) = 2f(2) - f(4). The amplitudes of the parametric interaction of GCW triads are measured and compared with critical condition for GCWs explosive instability.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据