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Full orbit calculation for lost alpha particle measurement on ITERa)
a)Contributed paper, published as part of the Proceedings of the 17th Topical Conference on High-Temperature Plasma Diagnostics, Albuquerque, New Mexico, May 2008.
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View: Figures


Image of FIG. 1.
FIG. 1.

Schematic of the inner side of the ITER vacuum vessel. Alpha particles lost from the plasma bombard mostly the BM Nos. 16, 17, and 18.

Image of FIG. 2.
FIG. 2.

Poloidal projections of the alpha particles bombarding at the center of the blanket [(a) and (b)] module No. 16 and [(c) and (d)] No. 17 [(a) and (c)] under scenario 2 and [(b) and (d)] the scenario 4. The pitch angles at the striking points are .

Image of FIG. 3.
FIG. 3.

A schematic of scintillation probe design with an aperture 1 cm inside the BM.

Image of FIG. 4.
FIG. 4.

(a) A schematic of one BM modification with tilted FW panel. (b) Orbit length of alpha particles striking the aperture position with the depth of 2, 3, and 4 cm with the modification of (a) one BM.


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Full orbit calculation for lost alpha particle measurement on ITERa)