The first results of deuterium retention on EAST with a full graphite wall via particle balance

Bin CAO (曹斌); Jiangang LI (李建刚); Jianshen HU (胡建生); Houyin WANG (王厚银)

doi:10.1088/2058-6272/aa8a5f

Plasma Science and Technology > 2017 > 19(12): 125102. > DOI: 10.1088/2058-6272/aa8a5f

Bin CAO (曹斌), Jiangang LI (李建刚), Jianshen HU (胡建生), Houyin WANG (王厚银). The first results of deuterium retention on EAST with a full graphite wall via particle balance[J]. Plasma Science and Technology, 2017, 19(12): 125102. DOI: 10.1088/2058-6272/aa8a5f

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The first results of deuterium retention on EAST with a full graphite wall via particle balance

Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031, People’s Republic of China

Funds: This research is funded by the National Magnetic Con?nement Fusion Science Program under contract No. 2013GB114004 and National Nature Science Foundation of China under contract Nos. 11321092, 11405210 and 11605236. This research was partially supported by the Ministry of Science, ICT and Future Planning under the KSTAR project and was partly supported by the National Research Council of Science and Technology (NST) under International Collaboration & Research in Asian Countries (No. PG1314).

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Received Date: June 07, 2017

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Abstract

Abstract

This paper introduces the first results of deuterium retention on the Experimental Advanced Superconducting Tokamak (EAST) using particle balance. In the fall 2010 EAST experiments with a full graphite wall, the average deuterium retention fraction was about 19% (including disruptive shots) and 38% (not including disruptive shots). Fuel retention for the short-and long-pulse discharge was different. The H-mode discharges had a slightly lower fuel retention than the L-mode discharges. However, it was observed that disruptions introduced outgassing from the wall. Wall conditioning, such as lithium coating, increases retention.
- retention,
- particle balance,
- EAST

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References (33)

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