Japan-US Workshop

Program of the Japan-US Workshop on

High Heat Flux Components and Plasma Surface Interactions in Next Fusion Devices

12/09 (Mon.) Talk Discussion

9:00 Opening Remarks Noda, Nygren, Tanabe 0:20

Session 1: Progress in plasma experimental devices Chair. Noda, Nygren

9:20 DIII-D edge plasma studies C. Wong GA 0:25 0:10

9:55 Overview of LHD edge plasma Studies T. Morisaki NIFS 0:25 0:10

10:30 coffee break 0:20

10:50 Erosion and Migration of Tungsten employed as Main Chamber First Wall Material in ASDEX Upgrade K. Krieger IPP Garching 0:25 0:10

11:25
Performance of a tungsten brush limiter exposed in TEXTOR-94 T. Hirai (Tanabe) FZ Juelich 0:25 0:10

12:00 Effects of a Toroidal Liquid Lithium Limeter on CDX-U Plasma R. Kaita (Ulrickson) PPPL 0:15 0:05

12:20 lunch break 1:00

Session 2: Issues and R&D for ITER and further future Chair. Akiba, Ulrickson

13:20 Development of Sic-Sic composites and W coating to their surfaces T. Hinoki,
A. Kohyama Kyoto U. 0:25 0:10

Session 3: Advanced concepts of PFC Chair. Nishikawa, Wong

13:55 Summary on the 1st IWIC-PIC M. Nishikawa Osaka U. 0:10 0:05

14:10 Moving solid surface PIC concepts for particle control Y. Hirooka,
M. Nishikawa NIFS,
Osaka U. 0:25 0:05

14:40 An idea: A multi-materials approach to the tokamak reactor FW/divertor surface material design C. Wong GA 0:15 0:10

15:05 Physics and laboratory -scale experiment on the membrane pump concept Y. Hatano Toyama U. 0:15 0:05

15:25 coffee break 0:10

15:35 ICF reactors and wall technology needs K. Tanaka,
T. Norimatsu Osaka U. 0:25 0:05

16:05 Lithium target for IFMIF H. Nakamura JAERI 0:15 0:05

16:25 Lithium Jet Development M. Ulrickson SNL 0:15 0:10

16:50 Free Surface Flow Cooling on First wall of FFHR
Numerical Simulation of Oscillatory Falling Liquid Film Flow T. Kunugi Kyoto U. 0:15 0:05

17:10 Particle Retention Measurements in the Flowing Liquid-surface Retention Experiment (FLIRE) at the University of Illinois J.P. Allain,D. Ruzic
(Nygren) U. llinois 0:20 0:05

17:35 A new liquid surface divertor R. Nygren SNL 0:15 0:10

18:00 Hydrogen Isotope Retention and Release from Liquid Gallium R. Doerner UCSD 0:25 0:10

18:35 adjourn

18:40 Reception 1:30

12/10 (Tue.)

Session 3: Advanced concepts of PFC (cont.) Chair. Hirooka, Wong

9:00 Analysis of liquid tin surfaces R. Bastasz
(Causey) SNL 0:20 0:05

Session 4: Erosion Deposition of PFC (Carbon) Chair. Ueda, Doerner

17:35 Erosion and re-deposition in the W-shaped divertor region of JT-60U Y. Gotoh JAERI 0:25 0:10

18:10 DiMES Program Status C. Wong GA 0:20 0:05

18:35 coffee break 0:20

18:55 Morphology of Plasma Facing Components at the TEXTOR tokamak: Erosion, Re-deposition and Fuel Inventory M. Rubel
(Tanabe) RIP
Stockholm 0:15 0:05

19:15 Dynamic simulation of erosion and redeposition patterns of plasma facing materials K. Ohya U. Tokushima 0:20 0:10

19:45 Integrated height modeling of divertor response during transient events A. Hassanein
(Nygren) ANL 0:20 0:05

20:10 lunch break 1:00

21:10 Impacts of carbon impurity in plasma on tungsten Y. Ueda Osaka U. 0:25 0:10

21:45 Eu CFC Mockup round Robin Test D. Youchison
(Nygren) SNL 0:15 0:05

Session 5: Issues and R&D for ITER and further future Chair. Akiba, Ulrickson

22:05 Divertor R&Ds for DEMO in JAERI S. Suzuki JAERI 0:20 0:10

22:35 Therml and mechanical characreristics of screw tube K. Ezato
(M.Akiba) JAERI 0:15 0:05

22:55 Progress of US W Rod Divertor Mockups R. Nygren SNL 0:25 0:10

23:30 coffee break 0:20

23:50 Project "Plasma-facing Materials and Components" overview K. Krieger IPP
Garching 0:15 0:05

0:10 Erosion and migration of tungsten employed as main chamber first wall material in ASDEX Upgrade. K. Krieger IPP
Garching 0:15 0:05

0:30 Development of tungsten materials for PFC H. Kurishita Tohoku U. 0:25 0:10

1:05 PSI studies toward ITER and Demo reactor in Hokkaido University Y. Yamauchi Hokkaido U. 0:25 0:10

1:40 adjourn

12/11 (Wed.)

Session 6: Surface modification and its impacts Chair. Yoshida, Nygren

9:00 Bubble formation on tungsten surface irradiated by steady-state low-energy and high-flux helium plasma D. Nishijima Nagoya U. 0:20 0:10

9:30 He-Metals Interaction in Fusion Environment N. Yoshida Kyushu U. 0:20 0:10

10:00 Helium and hydrogen behaviors in Plasma facing materials exposed to glow discharge plasma Y. Kubota NIFS 0:15 0:10

10:25 Thermal response of codeposits from JET and TFTR to transient heat pulses C. Skinner
(Nygren) PPPL 0:15 0:05

10:45 coffee break 0:20

Session 7: Wall condition, carbon and tritium/deuterium Chair. Matsuyama, Causey

11:05 Carbon transport and fuel retention TEXTOR V. Philipps,
P. Wienhold
(Tanabe) FZ Juelich 0:20 0:05

11:30 Tritium distribution in the first wall of JT-60U K. Masaki JAERI 0:25 0:10

12:05 The survey of wall treatment and techenical improvement in resent Years on HT-7 Tokamak X. M. Gu IPP Hefei 0:25 0:10

12:40 lunch break 1:00

13:40 Assay of tritium distribution by BIXS - CFC tiles of the Mk-IIA divertor in JET - M. Matsuyama Toyama U. 0:25 0:10

14:15 Refilling of the depleted codeposited layer after rapid heating R. Causey SNL 0:25 0:10

Session 8: Hydrogen/deuterium behavior and control Chair. Okuno, Sakamoto

14:50 Hydrogen recycling during long pulse operation in TRIAM-1M M. Sakamoto Kyushu U. 0:25 0:10

15:25 Universal Method for Analysis of Thermal Desorption Spectra of Hydtogen and Hydrogen-Target Compuound Molecules from Plasma Facing Materials K. Morita Nagoya U. 0:25 0:10

16:00 coffee break 0:20

16:20 Chemical behavior of deuterium implanted into boron coatings H. Kodama, K. Okuno Shizuoka U. 0:25 0:10

16:55 Hydrogen isotope behavior in cooling pipe for fusion reactors Y. Oya U. Tokyo 0:25 0:10

17:30 Tritium behavior in decontamination process by heating of stainless steel Y. Torikai Toyama U. 0:25 0:10

18:05 adjourn

12/12 (Thur.)

Session 8: Hydrogen/deuterium behavior and control (cont.) Chair. Causey

9:00 Tritium retention on plasma facing materials in Tokamak T. Tanabe Nagoya U. 0:25 0:10

Session 9: Mixed materials, collaborations Chair. Noda, Nygren

9:35 US-JP Bilateral collaboration on mixed materials S. Luckhardt
(Doerner) UCSD 0:20 0:05

10:00 International collaborations on PFC/PSI studies N. Noda NIFS 0:20 0:10

10:30 coffee break 0:20

Session 10: Discussion and summary Chair. Noda, Nygren

10:50 Discussion 1:00

11:50 Conclusive remarks 0:20

12:10 adjourn

Return toNIFS Homepage (English Japanese)

National Institute for Fusion Science

Copyright: 1995-2010 National Institute for Fusion Science (NIFS)
Address: Oroshi-cho, Toki, GIFU, 509-5292, Japan
Telephone:+81-572-58-2222

12/09 (Mon.)					Talk	Discussion
	9:00	Opening Remarks	Noda, Nygren, Tanabe		0:20
Session 1: Progress in plasma experimental devices			Chair. Noda, Nygren
	9:20	DIII-D edge plasma studies	C. Wong	GA	0:25	0:10
	9:55	Overview of LHD edge plasma Studies	T. Morisaki	NIFS	0:25	0:10
	10:30	coffee break			0:20
	10:50	Erosion and Migration of Tungsten employed as Main Chamber First Wall Material in ASDEX Upgrade	K. Krieger	IPP Garching	0:25	0:10
	11:25	Performance of a tungsten brush limiter exposed in TEXTOR-94	T. Hirai (Tanabe)	FZ Juelich	0:25	0:10
	12:00	Effects of a Toroidal Liquid Lithium Limeter on CDX-U Plasma	R. Kaita (Ulrickson)	PPPL	0:15	0:05
	12:20	lunch break			1:00
Session 2: Issues and R&D for ITER and further future			Chair. Akiba, Ulrickson
	13:20	Development of Sic-Sic composites and W coating to their surfaces	T. Hinoki, A. Kohyama	Kyoto U.	0:25	0:10
Session 3: Advanced concepts of PFC			Chair. Nishikawa, Wong
	13:55	Summary on the 1st IWIC-PIC	M. Nishikawa	Osaka U.	0:10	0:05
	14:10	Moving solid surface PIC concepts for particle control	Y. Hirooka, M. Nishikawa	NIFS, Osaka U.	0:25	0:05
	14:40	An idea: A multi-materials approach to the tokamak reactor FW/divertor surface material design	C. Wong	GA	0:15	0:10
	15:05	Physics and laboratory -scale experiment on the membrane pump concept	Y. Hatano	Toyama U.	0:15	0:05
	15:25	coffee break			0:10
	15:35	ICF reactors and wall technology needs	K. Tanaka, T. Norimatsu	Osaka U.	0:25	0:05
	16:05	Lithium target for IFMIF	H. Nakamura	JAERI	0:15	0:05
	16:25	Lithium Jet Development	M. Ulrickson	SNL	0:15	0:10
	16:50	Free Surface Flow Cooling on First wall of FFHR Numerical Simulation of Oscillatory Falling Liquid Film Flow	T. Kunugi	Kyoto U.	0:15	0:05
	17:10	Particle Retention Measurements in the Flowing Liquid-surface Retention Experiment (FLIRE) at the University of Illinois	J.P. Allain,D. Ruzic (Nygren)	U. llinois	0:20	0:05
	17:35	A new liquid surface divertor	R. Nygren	SNL	0:15	0:10
	18:00	Hydrogen Isotope Retention and Release from Liquid Gallium	R. Doerner	UCSD	0:25	0:10
	18:35	adjourn
	18:40	Reception			1:30

Session 3: Advanced concepts of PFC (cont.)			Chair. Hirooka, Wong
	9:00	Analysis of liquid tin surfaces	R. Bastasz (Causey)	SNL	0:20	0:05

Session 4: Erosion Deposition of PFC (Carbon)			Chair. Ueda, Doerner
	17:35	Erosion and re-deposition in the W-shaped divertor region of JT-60U	Y. Gotoh	JAERI	0:25	0:10
	18:10	DiMES Program Status	C. Wong	GA	0:20	0:05
	18:35	coffee break			0:20
	18:55	Morphology of Plasma Facing Components at the TEXTOR tokamak: Erosion, Re-deposition and Fuel Inventory	M. Rubel (Tanabe)	RIP Stockholm	0:15	0:05
	19:15	Dynamic simulation of erosion and redeposition patterns of plasma facing materials	K. Ohya	U. Tokushima	0:20	0:10
	19:45	Integrated height modeling of divertor response during transient events	A. Hassanein (Nygren)	ANL	0:20	0:05
	20:10	lunch break			1:00
	21:10	Impacts of carbon impurity in plasma on tungsten	Y. Ueda	Osaka U.	0:25	0:10
	21:45	Eu CFC Mockup round Robin Test	D. Youchison (Nygren)	SNL	0:15	0:05
Session 5: Issues and R&D for ITER and further future			Chair. Akiba, Ulrickson
	22:05	Divertor R&Ds for DEMO in JAERI	S. Suzuki	JAERI	0:20	0:10
	22:35	Therml and mechanical characreristics of screw tube	K. Ezato (M.Akiba)	JAERI	0:15	0:05
	22:55	Progress of US W Rod Divertor Mockups	R. Nygren	SNL	0:25	0:10
	23:30	coffee break			0:20
	23:50	Project "Plasma-facing Materials and Components" overview	K. Krieger	IPP Garching	0:15	0:05
	0:10	Erosion and migration of tungsten employed as main chamber first wall material in ASDEX Upgrade.	K. Krieger	IPP Garching	0:15	0:05
	0:30	Development of tungsten materials for PFC	H. Kurishita	Tohoku U.	0:25	0:10
	1:05	PSI studies toward ITER and Demo reactor in Hokkaido University	Y. Yamauchi	Hokkaido U.	0:25	0:10
	1:40	adjourn

Session 6: Surface modification and its impacts			Chair. Yoshida, Nygren
	9:00	Bubble formation on tungsten surface irradiated by steady-state low-energy and high-flux helium plasma	D. Nishijima	Nagoya U.	0:20	0:10
	9:30	He-Metals Interaction in Fusion Environment	N. Yoshida	Kyushu U.	0:20	0:10
	10:00	Helium and hydrogen behaviors in Plasma facing materials exposed to glow discharge plasma	Y. Kubota	NIFS	0:15	0:10
	10:25	Thermal response of codeposits from JET and TFTR to transient heat pulses	C. Skinner (Nygren)	PPPL	0:15	0:05
	10:45	coffee break			0:20
Session 7: Wall condition, carbon and tritium/deuterium			Chair. Matsuyama, Causey
	11:05	Carbon transport and fuel retention TEXTOR	V. Philipps, P. Wienhold (Tanabe)	FZ Juelich	0:20	0:05
	11:30	Tritium distribution in the first wall of JT-60U	K. Masaki	JAERI	0:25	0:10
	12:05	The survey of wall treatment and techenical improvement in resent Years on HT-7 Tokamak	X. M. Gu	IPP Hefei	0:25	0:10
	12:40	lunch break			1:00
	13:40	Assay of tritium distribution by BIXS - CFC tiles of the Mk-IIA divertor in JET -	M. Matsuyama	Toyama U.	0:25	0:10
	14:15	Refilling of the depleted codeposited layer after rapid heating	R. Causey	SNL	0:25	0:10
Session 8: Hydrogen/deuterium behavior and control			Chair. Okuno, Sakamoto
	14:50	Hydrogen recycling during long pulse operation in TRIAM-1M	M. Sakamoto	Kyushu U.	0:25	0:10
	15:25	Universal Method for Analysis of Thermal Desorption Spectra of Hydtogen and Hydrogen-Target Compuound Molecules from Plasma Facing Materials	K. Morita	Nagoya U.	0:25	0:10
	16:00	coffee break			0:20
	16:20	Chemical behavior of deuterium implanted into boron coatings	H. Kodama, K. Okuno	Shizuoka U.	0:25	0:10
	16:55	Hydrogen isotope behavior in cooling pipe for fusion reactors	Y. Oya	U. Tokyo	0:25	0:10
	17:30	Tritium behavior in decontamination process by heating of stainless steel	Y. Torikai	Toyama U.	0:25	0:10
	18:05	adjourn

Session 8: Hydrogen/deuterium behavior and control (cont.)			Chair. Causey
	9:00	Tritium retention on plasma facing materials in Tokamak	T. Tanabe	Nagoya U.	0:25	0:10
Session 9: Mixed materials, collaborations			Chair. Noda, Nygren
	9:35	US-JP Bilateral collaboration on mixed materials	S. Luckhardt (Doerner)	UCSD	0:20	0:05
	10:00	International collaborations on PFC/PSI studies	N. Noda	NIFS	0:20	0:10
	10:30	coffee break			0:20
Session 10: Discussion and summary			Chair. Noda, Nygren
	10:50	Discussion			1:00
	11:50	Conclusive remarks			0:20
	12:10	adjourn

National Institute for Fusion Science
	Copyright: 1995-2010 National Institute for Fusion Science (NIFS) Address: Oroshi-cho, Toki, GIFU, 509-5292, Japan Telephone:+81-572-58-2222