FNST Meeting
12–14 August 2008
ENG IV 67-124 (6th Floor Conference Room)/Rice Room, UCLA

(Agenda Word document available here)

Tuesday, August 12 (ENG IV 6th Floor Conference Room 67-124)

8:15 am 30 min Continental Breakfast
8:45 am 15 min Introduction and Objectives of meeting Abdou
9:00 am 15 min DOE, VLT, and National Perspective Nardella/Milora

SESSION 1 – ITER TBM AND BLANKET DESIGN AND ANALYSIS
Session Chair: Sze
9:15 am 10 min Status of TBM Abdou
9:25 am 20 min Summary and Documentation of DCLL design Wong
9:45 am 20 min PbLi Thermofluid Analysis Smolentsev
10:05 am 20 min DCLL Design Dagher
10:25 am 15 min DCLL He Thermal Hydraulics Marriott
10:40 am 15 min Updated Nuclear Parameters Sawan
10:55 am 15 min FCI Impact on DCLL Neutronics Youssef
11:10 am 15 min HCCB Design and Analysis Ying

SESSION 2 – PROGRESS ON R&D: MHD AND FCI
Session Chair: Wong
11:25 am 15 min Introduction and Status Morley
11:40 am 25 min MHD Mixed Convection and Impact of Wetting on MHD Flows with FCI Smolentsev
12:05 pm 25 min Liquid Metal MHD Experiments Messadek
12:30 pm 60 min Lunch
1:30 pm 25 min MHD 3-D Numerical Simulation and Contact Resistance Measurements Morley/Munipalli
1:55 pm 25 min SiC Composite FCI Status and Irradiation Experiments Katoh/Sharafat
2:20 pm 30 min SiC Foam FCI and tritium permeation Wright
2:50 pm 15 min Specialized SiC Components for FCI Applications Shinavski
3:05 pm 15 min Discussion
3:20 pm 15 min Break

SESSION 3 – PROGRESS ON R&D: TRITIUM
Session Chair: Malang
3:35 pm 25 min Summary of Tritium Issues Sze
4:00 pm 25 min TITAN Activities on PbLi/tritium Properties and Information on ATR Sharpe
4:25 pm 20 min Tritium Permeation in HCLL/DCLL Merrill/Sze
4:45 pm 20 min Status of Tritium Processing for ITER Willms
5:05 pm 10 min Discussion

SESSION 4 – PROGRESS ON R&D: MATERIAL AND COMPATIBILITY
Session Chair: Sharpe
5:15 pm 25 min Summary of R&D in Materials Program Kurtz
5:40 pm 10 min PbLi and Li Compatibility Experiments Pint/Kurtz
5:50 pm 10 min Discussion
6:00 pm Adjourn

Wednesday, August 13 (Rice Room, 6764 Boelter Hall)

8:15 am 30 min Continental Breakfast

SESSION 5 – PROGRESS ON R&D: PFC AND PSI
Session Chair: Snead
8:45 am 15 min Summary of PFC and PSI Nygren

SESSION 6 – FNST/FNF FUNDAMENTAL ASPECTS
Session Chair: Kurtz
9:00 am 45 min
15 min disc. FNST Issues, Development and Role of Next Step Fusion Nuclear Facility (e.g. VNS/CTF, etc.) [Backup Slides] Abdou
10:00 am 20 min Failure Modes and Rates Cadwallader
10:20 am 20 min Time to Replace Nuclear Components Inside the Vacuum Vessel Burgess
10:40 am 15 min Approaches to Maintenance Malang
10:55 am 30 min Tritium Supply from Non-Fusion Sources (Availability, Cost, etc.) Willms
11:25 am 15 min – TBR Required to Supply FNF as a Function of Fusion Power and Availability of External Supply
– Can We achieve the TBR Needed in FNF? Sawan
11:40 am 15 min Brief Recount on Test Blankets Wong
11:55 am 15 min Cost and Schedule for Blanket Test Modules Based on ITER TBM Study Morley
12:10 pm 20 min Experience from ITER First Wall and Shielding Blanket Ulrickson
12:30 pm 30 min Lunch

SESSION 7 – HIGHLIGHTS OF RECENT FNF DESIGNS
Session Chair: Uckan
1:00 pm 45 min Fusion Development Facility-Mission and Concept Stambaugh
1:45 pm 45 min Component Test Facility-Mission and Concepts Peng
2:30 pm 15 min Q&A

SESSION 8 – FNF BASE BLANKET
Discussion Facilitator: Stambaugh / Summary Preparer: Sawan
2:45 pm 20 min Design and Physics Considerations in Selecting Base Blanket Stambaugh
3:05 pm 50 min Performance Limits for Austenitic Steel and Ferritic steels Kurtz/Stoller
3:55 pm 15 min Break
4:10 pm 65 min Discussion on the following topics:
– What are the options for a base breeding blanket (structural materials, coolants, breeding materials, etc.)?
– Are there good reasons for using a non-breeding base blanket rather than a breeding base blanket?
– Is there a base breeding blanket option for which there will be more data/experience/confidence than those for the primary blanket concepts for the test modules?

SESSION 9 – DIVERTOR OPTIONS FOR FNF
Discussion Facilitator: Wong / Summary Preparer: Nygren
5:15 pm 45 min Discussion on:
– What are the expected heat and particle loads on NSFNF divertor, and how do they compare to ITER?
– What are the preferred material and coolant options?
– What database/experience is required?
6:00 pm Adjourn
6:30 pm Group dinner at the Faculty Center (Sequoia Room)

Thursday, August 14 (Rice Room, 6764 Boelter Hall)

8:15 am 30 min Continental Breakfast

SESSION 10 – FNF DEVICE AVAILABILITY AND PLASMA DUTY CYCLE
Discussion Facilitator: Burgess / Summary Preparer: Ying
8:45 am 60 min Discussion on:
– What availability goals are required for FNF? What are the corresponding MTBF and MTTR for various components and for base blanket?
– What are the requirements on periods of continuous operations (test campaigns)? What are the requirements on the plasma duty cycle during these test campaigns?
– What is the minimum achievable plasma dwell time? Maximum burn time during a pulse? Maximum plasma duty cycle?
– What is needed to realize the above goals for the device availability factor and plasma duty factor?

SESSION 11 – STRATEGY FOR TESTING ON FNF AND IMPLICATIONS FOR R&D AND DESIGN
Discussion Facilitator: Peng / Summary Preparer: Morley
9:45 am 120 min Discussion on testing strategies on FNF
– What are the preferred blankets options for testing on FNF and what are the implications for R&D?
– Comparison of strategies for testing space allocation on NSFNF:
a) all or most outboard occupied by test modules/test sectors
b) base blanket with test modules in test ports (ITER type)
– Number of blanket concepts to be tested in NSFNF in 2 cases:
a) Assuming ITER TBM is carried out
b) With no US ITER TBM
– R&D required to place a test module on FNF (how does it compare to ITER TBM?)
– R&D required for base blanket
11:45 am 75 min Lunch

SESSION 12 – STRATEGY SUMMARY DISCUSSION ON FNF
Session Chair: Abdou
1:00 pm
Summaries:
– Base Blanket Sawan/Stambaugh
– Divertor Nygren/Ulrickson
– Device Availability and Plasma Duty Factor Ying/Burgess
– FNST Testing Issues, Strategy, and R&D Morley/Peng
– All-Session Summary

2:15 pm 30 min Discussion on Mapping into Greenwald Gaps for FNST
2:45 pm 30 min Wrap Up Discussion
3:15 pm 15 min Break

SESSION 13 – INTEGRATED MODELLING
3:30 pm 20 min Neutronics as Part of an Integrated Modelling Approach: a CAD-based Domain Representation Wilson
3:50 pm 15 min Integrated Modelling Approach and Plans Ying
4:05 pm 15 min Virtual TBM SBIR Effort Munipalli
4:15 pm 10 min Discussion

SESSION 14 – PLANNING SESSION
4:30 pm 30 min Discussion on International Collaboration on TBM
5:00 pm 30 min Discussion on FY09 plans for FNST
5:30 pm Adjourn