Lithium coating for H-mode and high performance plasmas on EAST in ASIPP

G. Z. Zuo; J. S. Hu; J. G. Li; Z. Sun; D. K. Mansfield; L. E. Zakharov

doi:10.1016/j.jnucmat.2013.01.014

Lithium coating for H-mode and high performance plasmas on EAST in ASIPP

G. Z. Zuo, J. S. Hu, J. G. Li, Z. Sun, D. K. Mansfield, L. E. Zakharov

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

61 Scopus citations

Abstract

Recently, routine coatings of plasma facing materials with lithium were carried out on EAST using both upgraded evaporative ovens and real-time injection of lithium powder. Employing daily lithium coatings of 10-30 g, the H/(H + D) ratio has been decreased below 10% and both impurity levels and MHD activity have been suppressed. Using these coating technologies, plasma performance has been improved significantly. For example, a 10 s H-mode plasma was achieved at the beginning of the 2012 EAST campaign. Techniques for removing Li coatings from the vacuum vessel have been developed in EAST and rapid recovery of plasma performance following air vents has been documented.

Original language	English (US)
Pages (from-to)	S90-S95
Journal	Journal of Nuclear Materials
Volume	438
Issue number	SUPPL
DOIs	https://doi.org/10.1016/j.jnucmat.2013.01.014
State	Published - 2013
Externally published	Yes

All Science Journal Classification (ASJC) codes

Nuclear and High Energy Physics
General Materials Science
Nuclear Energy and Engineering

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10.1016/j.jnucmat.2013.01.014

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title = "Lithium coating for H-mode and high performance plasmas on EAST in ASIPP",

abstract = "Recently, routine coatings of plasma facing materials with lithium were carried out on EAST using both upgraded evaporative ovens and real-time injection of lithium powder. Employing daily lithium coatings of 10-30 g, the H/(H + D) ratio has been decreased below 10\% and both impurity levels and MHD activity have been suppressed. Using these coating technologies, plasma performance has been improved significantly. For example, a 10 s H-mode plasma was achieved at the beginning of the 2012 EAST campaign. Techniques for removing Li coatings from the vacuum vessel have been developed in EAST and rapid recovery of plasma performance following air vents has been documented.",

author = "Zuo, \{G. Z.\} and Hu, \{J. S.\} and Li, \{J. G.\} and Z. Sun and Mansfield, \{D. K.\} and Zakharov, \{L. E.\}",

year = "2013",

doi = "10.1016/j.jnucmat.2013.01.014",

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pages = "S90--S95",

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AU - Zuo, G. Z.

AU - Hu, J. S.

AU - Li, J. G.

AU - Sun, Z.

AU - Mansfield, D. K.

AU - Zakharov, L. E.

PY - 2013

Y1 - 2013

N2 - Recently, routine coatings of plasma facing materials with lithium were carried out on EAST using both upgraded evaporative ovens and real-time injection of lithium powder. Employing daily lithium coatings of 10-30 g, the H/(H + D) ratio has been decreased below 10% and both impurity levels and MHD activity have been suppressed. Using these coating technologies, plasma performance has been improved significantly. For example, a 10 s H-mode plasma was achieved at the beginning of the 2012 EAST campaign. Techniques for removing Li coatings from the vacuum vessel have been developed in EAST and rapid recovery of plasma performance following air vents has been documented.

AB - Recently, routine coatings of plasma facing materials with lithium were carried out on EAST using both upgraded evaporative ovens and real-time injection of lithium powder. Employing daily lithium coatings of 10-30 g, the H/(H + D) ratio has been decreased below 10% and both impurity levels and MHD activity have been suppressed. Using these coating technologies, plasma performance has been improved significantly. For example, a 10 s H-mode plasma was achieved at the beginning of the 2012 EAST campaign. Techniques for removing Li coatings from the vacuum vessel have been developed in EAST and rapid recovery of plasma performance following air vents has been documented.

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VL - 438

SP - S90-S95

JO - Journal of Nuclear Materials

JF - Journal of Nuclear Materials

IS - SUPPL

ER -

Lithium coating for H-mode and high performance plasmas on EAST in ASIPP

Abstract

All Science Journal Classification (ASJC) codes

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