BOUNDARY-LAYER INSTABILITY IN A COUPLED-MAP MODEL

被引：7
|
作者：
JENSEN, MH
机构：
[1] Nordita, Denmark
来源：
PHYSICA D | 1989年 / 38卷 / 1-3期
关键词：
Flow of Fluids--Boundary Layer - Mathematical Techniques--Boundary Value Problems - Percolation;
D O I：
10.1016/0167-2789(89)90192-9
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
We describe a simple coupled-map lattice model of a convective system with a boundary layer. At a critical point, the convective effects exceed the diffusive effect and the boundary layer becomes unstable and emits thermal plumes. This instability is studied within a mean field approximation. Also frequency spectra of time signals and temperature fluctuations are considered.
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页码：203 / 207
页数：5
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