Wall conditioning and experience of the carbon-based first wall in JT-60U

Fusion Science and Technology

Volumn 42, Issue 2-3, 2002, Pages 386-395

  Masaki, K ^a   Yagyu, J ^a   Arai, T ^a   Kaminaga, A ^a   Kodama, K ^a   Miya, N ^a   Ando, T ^a   Saidoh, M ^a  

^a JAPAN ATOM ENER RESEARCH INSTITUTE   (Japan)

Author keywords

Carbon based first wall; Tritium; Wall conditioning

Indexed keywords

CARBON; FUSION REACTIONS; MECHANICAL ENGINEERING; PLASMAS; TRITIUM;

BAKING; BORONIZATION; CARBON BASED FIRST WALL; HELIUM GLOW DISCHARGE CLEANING; HELIUM TAYLOR DISCHARGE CLEANING; PLASMA SURFACE INTERACTIONS; TOKAMAK DISCHARGE CLEANING; VACUUM VESSEL; WALL CONDITIONING METHODS;

FUSION REACTORS;

EID: 0036752343     PISSN: 15361055     EISSN: None     Source Type: Journal    
DOI: 10.13182/FST02-A235     Document Type: Article

References (24)

1. S. ISHIDA and JT-60 TEAM, "JT-60U High Performance Regimes," Nucl. Fusion, 39, 9, 1211 (1999).
2. S. IDE and the JT-60 TEAM, "Latest Progress in Steady-State Plasma Research on the Japan Atomic Energy Research Institute Tokamak-60 Upgrade," Phys. Plasmas, 7, 5, 1927 (May 2000).
3. Y. KAMADA and JT-60 TEAM, "Extended JT-60U Plasma Regimes for High Integrated Performance," Nucl. Fusion, 41, 10, 1311 (2001).
4. S. HIGASHIJIMA and JT-60 TEAM, "Wall Conditioning to Control Impurity and Hydrogen Isotope Recycling in JT-60U," J. Plasma Fusion Res., 75, 11, 1297 (1999).
5. T. ARAI, K. MASAKI, and K. MIYACHI, "Baking Technique of JT-60," J. Vacuum Soc. Jpn., 41, 10, 841 (1998).
6. M. SAIDOH et al., "A Boronization System in the JT-60U Tokamak: Application of a New Method Using a Less Hazardous Substance," Fusion Eng. Des., 22, 271 (1993).
7. M. SAIDOH et al., "Initial Boronization of JT-60U Tokamak Using Decaborane," Jpn. J. Appl. Phys., 32, 3276 (1993).
8. S. HIGASHIJIMA et al., "Impurity and Particle Recycling Reduction by Boronization in JT-60U," J. Nucl. Mater., 220-222, 375 (1995).
9. J. YAGYU et al., "Properties of Thin Boron Coatings Formed During Deuterated-Boronization in JT-60U," J. Nucl. Mater., 241-243, 579 (1997).
10. J. YAGYU et al., "Boronization Using Deuterated-Decaborane on JT-60U," Proc. 20th Symp. Fusion Engineering, 2002.
11. 4C-Overlaid CFC/Graphites," Proc. 17th Symp. Fusion Technology, 1992.
12. 4C-Converted CFC/Graphite Tiles," Proc. 15th Symp. Fusion Engineering, 1993.
13. K. MASAKI et al., "Investigation of Plasma Facing Components in JT-60U Operation," J. Nucl. Mater., 220-222, 390 (1995).
14. H. HIRATSUKA et al., "Effects of Plasma Behavior on In-Vessel Components in JT-60U Operation," Proc. 19th SOFT, Lisbon, Portugal, 1996.
15. Y. NEYATANI et al., "Characteristics of Halo Current in JT-60U," J. Nucl. Fusion, 39, 4, 559 (1999).
16. 4C-Converted Carbon Fiber Composites in High Power Neutral Beam Heated Divertor Discharges in JT-60U," J. Nucl. Mater., 220-222, 380 (1995).
17. K. MASAKI et al., "Development and Operation of First Wall in JT-60U High-Power Heated Discharges," Proc. 16th Symp. Fusion Engineering, 1995.
18. SAKASAI et al., "Transport and Exhaust of Helium Ash in Enhanced Confinement Regimes on JT-60U," CN-60/A2/4, p. 12, International Atomic Energy Agency.
19. K. MASAKI et al., "The First Inspection of JT-60U W-Shaped Divertor After High Power Operation," Proc. 20th Symp. Fusion Technology, Marseille, France, 1998.
20. D. G. WHYTE et al., "Similarities in Divertor Erosion/Redeposition and Deuterium Retention Patterns Between the Tokamaks ASDEX Upgrade, DIII-D and JET," Nucl. Fusion, 39, 8, 1025 (1999).
21. N. ASAKURA et al., "Heat and Particle Transport of SOL and Divertor Plasmas in the W-Shaped Divertor on JT-60U," Nucl. Fusion, 39, 11Y, 1983 (1999).
22. K. MASAKI et al., "Tritium Retention in Graphite Inner Wall of JT-60U," Fusion Eng. Des., 31, 181 (1996).
23. S. AMEMIYA et al., "Hydrogen Isotope Retention and Impurity Deposition of Carbon Based Components Used in JT-60U," J. Nucl. Mater., 220-222, 443 (1995).
24. N. MIYA, M. NEMOTO, and N. TOYOSHIMA, "Tritium Released from JT-60U Vacuum Vessel Following High-Power Heated Deuterium Operation," Fusion Technol., 26, 3, 507 (1994).