Measurements and modeling of impurity source distributions from the Tore Supra outboard pump limiter

C. C. Klepper; J. T. Hogan; S. J. Tobin; R. C. Isler; D. Guilhem; W. R. Hess; P. Monier-Garbet

doi:10.1016/0022-3115(94)00515-X

Measurements and modeling of impurity source distributions from the Tore Supra outboard pump limiter

C. C. Klepper, J. T. Hogan, S. J. Tobin, R. C. Isler, D. Guilhem, W. R. Hess, P. Monier-Garbet

Diagnostics and Control

Research output: Contribution to journal › Article › peer-review

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Abstract

An experiment has been carried out to study impurity generation processes on an inertial limiter on Tore Supra. It is part of a plan to assemble a more detailed integrated picture of impurity generation at the inner wall, the outboard and vertical pump limiters, and the heating and current drive antennas. A system has been implemented to permit quantitative measurement of impurity sources from the outboard limiter in Tore Supra. Data are presented for a representative case in which the limiter is isolated as much as possible from connection with other Tore Supra plasma-facing components. The data are compared with results from the Monte-Carlo SOL impurity transport code BBQ, in an attempt to identify the mechanism for impurity release. Evidence of chemical sputtering as an important impurity source is seen.

Original language	English
Pages (from-to)	521-525
Number of pages	5
Journal	Journal of Nuclear Materials
Volume	220-222
DOIs	https://doi.org/10.1016/0022-3115(94)00515-X
State	Published - 1995

Funding

* Research sponsored in part by the U.S. Department of Energy (US DOE), and carried out under contract DE-AC05-84OR21400 with Martin Marietta Energy Systems, Inc., and under the International Collaboration agreement between the US DOE and the Association Euratom-CEA * * Supported by a fellowship from the Oak Ridge Association of Universities

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10.1016/0022-3115(94)00515-X

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abstract = "An experiment has been carried out to study impurity generation processes on an inertial limiter on Tore Supra. It is part of a plan to assemble a more detailed integrated picture of impurity generation at the inner wall, the outboard and vertical pump limiters, and the heating and current drive antennas. A system has been implemented to permit quantitative measurement of impurity sources from the outboard limiter in Tore Supra. Data are presented for a representative case in which the limiter is isolated as much as possible from connection with other Tore Supra plasma-facing components. The data are compared with results from the Monte-Carlo SOL impurity transport code BBQ, in an attempt to identify the mechanism for impurity release. Evidence of chemical sputtering as an important impurity source is seen.",

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doi = "10.1016/0022-3115(94)00515-X",

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T1 - Measurements and modeling of impurity source distributions from the Tore Supra outboard pump limiter

AU - Klepper, C. C.

AU - Hogan, J. T.

AU - Tobin, S. J.

AU - Isler, R. C.

AU - Guilhem, D.

AU - Hess, W. R.

AU - Monier-Garbet, P.

PY - 1995

Y1 - 1995

N2 - An experiment has been carried out to study impurity generation processes on an inertial limiter on Tore Supra. It is part of a plan to assemble a more detailed integrated picture of impurity generation at the inner wall, the outboard and vertical pump limiters, and the heating and current drive antennas. A system has been implemented to permit quantitative measurement of impurity sources from the outboard limiter in Tore Supra. Data are presented for a representative case in which the limiter is isolated as much as possible from connection with other Tore Supra plasma-facing components. The data are compared with results from the Monte-Carlo SOL impurity transport code BBQ, in an attempt to identify the mechanism for impurity release. Evidence of chemical sputtering as an important impurity source is seen.

AB - An experiment has been carried out to study impurity generation processes on an inertial limiter on Tore Supra. It is part of a plan to assemble a more detailed integrated picture of impurity generation at the inner wall, the outboard and vertical pump limiters, and the heating and current drive antennas. A system has been implemented to permit quantitative measurement of impurity sources from the outboard limiter in Tore Supra. Data are presented for a representative case in which the limiter is isolated as much as possible from connection with other Tore Supra plasma-facing components. The data are compared with results from the Monte-Carlo SOL impurity transport code BBQ, in an attempt to identify the mechanism for impurity release. Evidence of chemical sputtering as an important impurity source is seen.

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Measurements and modeling of impurity source distributions from the Tore Supra outboard pump limiter

Abstract

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