Theoretical investigation of heat and streaming generated by high intensity ultrasound

被引：0
|
作者：
Tjotta, S [1 ]
机构：
[1] Univ Bergen, Dept Math, N-5020 Bergen, Norway
[2] Univ Oslo, Dept Phys, N-0316 Oslo, Norway
来源：
ACUSTICA | 1999年 / 85卷 / 06期
关键词：
D O I：
暂无
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
Some nonlinear effects associated with intense sound fields in fluids, are considered theoretically. The analysis is based on the fundamental equations of motion for a homogeneous;thermoviscous fluid, for which thermal equations of state exist. Model equations are derived and used to analyze nonlinear sources for generation of heat and streaming, and other changes in the ambient state of the fluid. The intensity of a finite amplitude sound field is calculated, and related to the sources of generation of higher order effects. Fluctuations in the coefficients of viscosity and thermal conductivity caused by the sound field, are accounted for.
引用
收藏
页码：780 / 787
页数：8
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