Heavy Particle Clustering in Inertial Subrange of High-Reynolds Number Turbulence

被引：1
|
作者：
Matsuda, Keigo [1 ]
Yoshimatsu, Katsunori [2 ]
Schneider, Kai [3 ]
机构：
[1] Japan Agcy Marine Earth Sci & Technol JAMSTEC, Res Inst Value Added Informat Generat VAiG, Yokohama 2360001, Japan
[2] Nagoya Univ, Inst Mat & Syst Sustainabil, Nagoya 4648601, Japan
[3] Aix Marseille Univ, CNRS, Inst Math Marseille I2M, F-13331 Marseille 3, France
来源：
PHYSICAL REVIEW LETTERS | 2024年 / 132卷 / 23期
关键词：
DIRECT NUMERICAL SIMULATIONS; PRESSURE;
D O I：
10.1103/PhysRevLett.132.234001
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Direct numerical simulation of homogeneous isotropic turbulence shows pronounced clustering of inertial particles in the inertial subrange at high Reynolds number, in addition to the clustering typically observed in the near dissipation range. The clustering in the inertial subrange is characterized by the bump in the particle number density spectra and is due to modulation of preferential concentration. The number density spectrum can be modeled by a rational function of the scale-dependent Stokes number.
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页数：6
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