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
收藏
页码：1258 / 1261
页数：4
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