Characterization of acoustic streaming and heating using synchronized infrared thermography and particle image velocimetry

被引：11

作者：

Layman, Christopher N. ^{[1
]}

Sou, In Mei ^{[2
]}

Bartak, Rico ^{[2
]}

Ray, Chittaranjan ^{[2
]}

Allen, John S. ^{[1
]}

机构：

[1] Univ Hawaii Manoa, Dept Mech Engn, Honolulu, HI 96822 USA

[2] Univ Hawaii Manoa, Dept Civil & Environm Engn, Honolulu, HI 96822 USA

来源：

ULTRASONICS SONOCHEMISTRY | 2011年 / 18卷 / 05期

关键词：

Unsteady flow; Acoustic streaming; Thermography; Particle image velocimetry; SOUND; HORN;

D O I：

10.1016/j.ultsonch.2011.03.012

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

Real-time measurements of acoustic streaming velocities and surface temperature fields using synchronized particle image velocimetry and infrared thermography are reported. Measurements were conducted using a 20 kHz Langevin type acoustic horn mounted vertically in a model sonochemical reactor of either degassed water or a glycerin-water mixture. These dissipative phenomena are found to be sensitive to small variations in the medium viscosity, and a correlation between the heat flux and vorticity was determined for unsteady convective heat transfer. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：1258 / 1261

页数：4

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