Dust measurement with Thomson scattering in FTU

被引：0

作者：

Giovannozzi, E. ^{[1
]}

Castaldo, C. ^{[1
]}

Maddaluno, G. ^{[1
]}

Ratynskaia, S. ^{[2
]}

Rydzy, A. ^{[1
]}

机构：

[1] CR Frascati, Assoc EURATOM ENEA Fus, CP 65, I-00044 Frascati, Italy

[2] Royal Inst Technol, SE-10044 Stockholm, Sweden

来源：

BURNING PLASMA DIAGNOSTICS | 2008年 / 988卷

关键词：

tokamak; dust; plasma; Thomson scattering;

D O I：

暂无

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：

The size distribution of dust particles present in FTU after disruptions has been evaluated in the range 0.05 mu m - 0.1 mu m using the Thomson scattering system. Rayleigh approximation has been used to estimate the dust size. The distribution, although the radii considered do not differ more than an order of magnitude, behave like a power law. The laser energy density far exceed that necessary to vaporize, at least partially, the particles. This can affect the previous estimate of the particle sizes, and suggests that the effective radii might be larger than the estimated values. A preliminary analysis on the broad band signal is presented.

引用

页码：148 / +

页数：2

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