Spatial and temporal turbulent velocity and vorticity power spectra from sound scattering

被引：3
|
作者：
Seifer, S [1 ]
Steinberg, V
机构：
[1] Weizmann Inst Sci, Dept Phys Complex Syst, IL-76100 Rehovot, Israel
[2] Abdus Salaam Int Ctr Theoret Phys, I-34100 Trieste, Italy
来源：
PHYSICAL REVIEW E | 2005年 / 71卷 / 04期
关键词：
D O I：
10.1103/PhysRevE.71.045601
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：
By performing sound-scattering measurements with a detector array consisting of 62 elements in a flow between two counter-rotating disks we obtain the energy and vorticity power spectra directly in both spatial and temporal domains. Fast-accumulated statistics and a large signal-to-noise ratio allow us to get high-quality data rather effectively and to test scaling laws in details.
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