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Goal of the Workshop on MFE/IFE Common Technology （ Background of TITAN Project ）

Goal of the Workshop on MFE/IFE Common Technology （ Background of TITAN Project ）. T. Muroga National Institute for Fusion Science. What is TITAN?. Official Project Title is : Tritium and Thermofluid Control in Magnetic and Inertial Fusion Energy Systems

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Goal of the Workshop on MFE/IFE Common Technology （ Background of TITAN Project ）

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  1. Goal of the Workshop on MFE/IFE Common Technology（Background of TITAN Project） T. Muroga National Institute for Fusion Science

  2. What is TITAN? Official Project Title is : Tritium and Thermofluid Control in Magnetic and Inertial Fusion Energy Systems Abbreviated Designation was Agreed as : TITAN Project Tritium, Irradiation and Thermofluid for America and Nippon April 2007 to March 2013

  3. 14MeV neutrons TITAN Project First Wall First Wall Blanket Shield Magnet Heat JUPITER - II Heat Tritium Tritium Blanket Tritium Plasma pump Recovery system pump Heat exchanger storage purification Recovery system Heat turbine Objectives of the TITAN Project To obtain fundamental understanding for establishing tritium and thermofluid control throughout the first wall, blanket, and heat exchange/T-recovery system of MFE and IFE systems by experiments under specific conditions to fusion, such as irradiation, pulse high heat flux, circulation and high magnetic field. The results will be applied through the integrated modeling to advance-ment of design for tritium and heat control of MFE and IFE systems. The JUPITER-IIProject focused on key technologies for advanced blankets The TITAN Project will focus on consistency of the blankets with first wall and recovery systems with respect to tritium and heat control

  4. UCLA MTOR Lab QTOR magnet BOB magnet FLIHY Electrolyte loop US Facilities being Used TPE/STAR INL PISCES UCSD MTOR HFIR 耐熱防護材 UCLA ORNL

  5. Task structure and research items

  6. Structure

  7. There was a story relating to IFE before starting TITAN in Japan • 1. Two proposals were almost equally scored when selecting post-JUPITER-II project in Japanese selection committee. • TITAN program (no particular emphasis on IFE) • IFE physics program • 2. The committee suggested to merge the two proposal. A combined project were once planned. (IFE physics + First wall physics/technology + Blanket/Material engineering) But this was not accepted by the US side. • 3. After repeated discussion in Japan. TITAN was accepted as the next Project but at the same time, inclusion of IFE technology into TITAN was requested.

  8. Negotiation with the US side • US has very small funding on IFE technology program. Thus matching fund for IFE technology is not available in TITAN. • This means we cannot start IFE technology research in TITAN with budget. • Technology common to MFE/IFE can be enhanced. • Collaboration on IFE technology for initial two years • Application of the on-going research for IFE by each Task • Enhance assignments to the US relating to IFE technology • 3. More effort may be initiated in the third year (from April 2009) including some budget allocation – within “fine tuning” range. • 4. Re-planning after the mid-term review (May 2010)

  9. IFE Technology Activity in FY 2007 and 2008 • FY 2007 • Assignment of K. Tanaka and Y. Hirooka (by another budget) • Some support by Japanese domestic budget • Tanaka recommended Tillack and Hassanein as IFE liaisons of the US side. US side nominated Tillack as IFE liaison (FY 2008) • FY 2008 • Assignment of K. Nagai to SNL for IFE related research • MFE/IFE Common Technology Workshop for further planning

  10. What is the guideline for planning collaboration on IFE technology ? Research on issues common to MFE and IFE is encouraged. Those specific to IFE is not encouraged. Common interest by the both side, uniqueness of the research which is not possible in Japan, and matching fund are the fundamental requests for the collaboration An experiment which can cover both MFE and IFE parameters are encouraged. Theory/modeling is always encouraged. 6 10 2 MW/m 5 10 IFE - wall Disruption PISCES 4 10 ELM 3 10 Heat Load TPE 2 10 10 Divertor First Wall 1 - 8 - 6 - 4 - 2 10 10 10 10 1 100 sec Pulse Duration Pulse heat conditions for MFE and IFE

  11. Workshop Goal 1. Understand the status of IFE technology activity in the US and Japan 2. Define contribution of TITAN activity to MFE/IFE (tritium, thermofluid, materials --) 3. Planning of collaboration (tiny budget) for FY 2009 and beyond

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