On the Kuznetsov equation and higher order nonlinear acoustics equations

被引：0

作者：

Söderholm, LH ^{[1
]}

机构：

[1] Royal Inst Technol, Dept Mech, SE-10044 Stockholm, Sweden

来源：

NONLINEAR ACOUSTICS AT THE TURN OF THE MILLENNIUM | 2000年 / 524卷

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：

Compressible flow of a Newtonian fluid is studied in the fully nonlinear approximation and to lowest order in the dissipation, neglecting cross terms Ma . Kn (Ma is the Mach number, Kn the Knudsen number). An initially vorticity free flow is shown to remain vorticity free. An acoustic equation is derived. If Kn = Ma(n), the equation obtained is correct to order Ma(n). For n = 1, it reduces to the Kuznetsov equation.

引用

页码：133 / 136

页数：4

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