Evidences of Bolgiano-Obhukhov scaling in three-dimensional Rayleigh-Benard convection

被引：62
作者：
Calzavarini, E [1 ]
Toschi, F
Tripiccione, R
机构：
[1] Univ Ferrara, I-34100 Ferrara, Italy
[2] Ist Nazl Fis Nucl, Sez Ferrara, I-34100 Ferrara, Italy
[3] CNR, IAC, I-00161 Rome, Italy
[4] INFM, Unita Tor Vergata, Rome, Italy
来源：
PHYSICAL REVIEW E | 2002年 / 66卷 / 01期
关键词：
D O I：
10.1103/PhysRevE.66.016304
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
We present different results from high-resolution high-statistics direct numerical simulations of a three-dimensional convective cell. We test the fundamental physical picture of the presence of both a Bolgiano-Obhukhov-like and a Kolmogorov-like regime. We find that the dimensional predictions for these two distinct regimes (characterized, respectively, by an active and passive role of the temperature field) are consistent with our analysis.
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