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Review of Scientific Instruments / Volume 83 / Issue 2 / ARTICLES / Nuclear Physics, Fusion and Plasmas

Rev. Sci. Instrum. 83, 023503 (2012); http://dx.doi.org/10.1063/1.3681447 (6 pages)

Tracer-encapsulated solid pellet injection system

Shigeru Sudo and Naoki Tamura

National Institute for Fusion Science, National Institutes of Natural Sciences, 322-6 Oroshi-Cho, Toki, Gifu 509-5292, Japan

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(Received 14 November 2011; accepted 13 January 2012; published online 10 February 2012)

The method of tracer-encapsulated solid pellet (TESPEL) is now flourishing in various fields. The original purpose to study impurity transport without giving substantial perturbation on the plasma is implemented successfully for years. In addition to this, TESPEL is being intensively applied to study thermal (especially non-local) transport, high energy particles with the use of TESPEL ablation cloud, and spectroscopy from the viewpoint of atomic data. It is now further growing up to the utilization of multiple tracer methods which was not planned at the initial phase of the project. The proof-of-principle experiment using triple tracers has been successfully implemented. This opens a way to compare the Z dependence or mass dependence of impurity transport. In this article, as TESPEL is used in a variety of fields, the TESPEL injection system is summarized together with the method of TESPEL production, TESPEL storage disk, TESPEL guide system, and the differential pumping system. Also, the observation system for TESPEL flight and TESPEL ablation is explained.

© 2012 American Institute of Physics

Article Outline

  1. INTRODUCTION
  2. TESPEL PRODUCTION AND STORAGE
    1. TESPEL production method
    2. TESPEL storage disk
  3. TESPEL GUIDE TUBES AND DIFFERENTIAL PUMPING SYSTEM
  4. TESPEL INJECTION SCENARIO
  5. DIAGNOSTICS IN TESPEL INJECTION EXPERIMENTS

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KEYWORDS, PACS, and IPC

Keywords

impurity states, Tokamak devices, tracers

PACS

  • 82.80.-d

    Chemical analysis and related physical methods of analysis

International Patent Classification (IPC)

  • H05H1/02

    Arrangements for confining plasma by electric or magnetic fields; Arrangements for heating plasma

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.3681447

PUBLICATION DATA

ISSN

0034-6748 (print)  
1089-7623 (online)

Publisher

$abstract.society.value is a Member of CrossRef American Institute of Physics

For access to fully linked references, you need to log in.
    S. K. Combs, Rev. Sci. Instrum. 64, 1679 (1993)RSINAK000064000007001679000001.

    K. V. Khlopenkov and S. Sudo, Rev. Sci. Instrum. 69, 3196 (1998)RSINAK000069000009003194000001.

    N. Tamura, V. Yu. Sergeev, D. V. Kalinina, I. V. Miroshnikov, K. Sato, I. A. Sharov, O. A. Bakhareva, D. M. Ivanova, V. M. Timokhin, S. Sudo, and B. V. Kuteev, Rev. Sci. Instrum. 79, 10F541 (2008)RSINAK00007900001010F541000001.

    J. L. Schwob, A. W. Wouters, S. Suckewer, and M. Finkenthal, Rev. Sci. Instrum. 58, 1601 (1987)RSINAK000058000009001601000001.

    T. Ozaki, P. Goncharov, E. Veshchev, N. Tamura, S. Sudo, T. Seki, H. Kasahara, Y. Takase, and T. Ohsako, Rev. Sci. Instrum. 79, 10E518 (2008)RSINAK00007900001010E518000001.


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