Reynolds Force Evaluation of Quasi-Coherent Structure by Tomographic Laser-Induced Fluorescence Spectroscopy

被引：1
|
作者：
Arakawa, Hiroyuki [1 ]
Sasaki, Makoto [2 ]
Inagaki, Shigeru [3 ,4 ]
Fujisawa, Akihide [4 ,5 ]
机构：
[1] Kyushu Univ, Fac Med Sci, Dept Hlth Sci, Fukuoka 8128582, Japan
[2] Nihon Univ, Coll Ind Technol, Narashino 2758575, Japan
[3] Kyoto Univ, Inst Adv Energy, Uji 6110011, Japan
[4] Kyushu Univ, Res Ctr Plasma Turbulence, Kasuga 8168580, Japan
[5] Kyushu Univ, Res Inst Appl Mech, Kasuga 8168580, Japan
来源：
PLASMA AND FUSION RESEARCH | 2023年 / 18卷
关键词：
magnetized plasma; laser-induced fluorescence; vector tomography; two-dimensional velocity field; Reynolds force; PLASMA; RECONSTRUCTION; VELOCITY;
D O I：
10.1585/pfr.18.1401032
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：
A new method of vector tomography by laser-induced fluorescence (LIF) spectroscopy is proposed for the evaluation of the velocity field of quasi-coherent structure in linear magnetized plasma. Here, the two-dimensional velocity field was reconstructed with measuring synchronization of azimuthal reference probes and line-integrated LIF. The laser installation condition is designed to move in a radial direction perpendicular to the laser path. We applied the proposed method to a quasi-coherent flow obtained from a direct numerical turbu-lence simulation and demonstrated that the Reynolds stress and its force can be evaluated if its flow structure is maintained.(c) 2023 The Japan Society of Plasma Science and Nuclear Fusion Research
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页数：8
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