ONSET OF TRAVELING WAVES IN ISOTHERMAL DOUBLE-DIFFUSIVE CONVECTION

被引：22
|
作者：
PREDTECHENSKY, AA
MCCORMICK, WD
SWIFT, JB
NOSZTICZIUS, Z
SWINNEY, HL
机构：
[1] UNIV TEXAS,DEPT PHYS,AUSTIN,TX 78712
[2] TECH UNIV BUDAPEST,DEPT CHEM PHYS,H-1521 BUDAPEST,HUNGARY
[3] NOVOSIBIRSK AUTOMAT & ELECTROMETRY INST,NOVOSIBIRSK 630090,RUSSIA
来源：
PHYSICAL REVIEW LETTERS | 1994年 / 72卷 / 02期
关键词：
D O I：
10.1103/PhysRevLett.72.218
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Experiments on double diffusive convection sustained by imposed vertical concentration gradients have been conducted in a novel thin isothermal parallelpiped cell. The measured critical Rayleigh number and the frequency of traveling waves are in reasonable accord with a stability analysis that predicts a tricritical condition all along the instability boundary. Visualization of the pattern from the side reveals that the asymptotic state immediately above the onset of instability consists of packets of traveling finite amplitude plumes.
引用
收藏
页码：218 / 221
页数：4
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