Meeting 5 Presentations

Session I: Study Status and Direction (Chair: Sam Berk)

Berk OFES Remarks

Abdou Status

Youssef Secretary’s Announcements

Session II: APPLE and EVOLVE Concepts (Chair: Richard Mattas)

APPLE Concept:

Sze Progress, Key Issues, Plans, and Schedule

Tillack Particulate Flow Dynamics

Igo Configuration and Engineering

EVOLVE Concept:

Mattas/Malang Status of EVOLVE

Sawan Neutronics of EVOLVE

Session III: Liquid Wall Concepts (Chairs: Neil Morley and Brad Nelson)

Morley Recent Analysis and Design Implementation for the Convective Liquid Flow First Wall (CLiFF) Concept

Ying Progress on the GMD Thick Liquid Wall Design for Advanced Tokamak Configuration

Gao/Ying Heat Transfer Issues for Liquid FW Concepts:

– Turbulent Heat Transfer Enhancement

– Impact of Temperature Distribution on Flow Stability

Nelson Mechanical Design for Liquid Concepts

Woolley Axisymmetric Simulation of EM Restrained Lithium Blankets

Youssef Shield Performance and Magnet Protection in Thick Liquid Wall Concepts

Sze Summary of the Flibe Assessment Group and Report on the ORNL Flibe Meeting

Sze Sn-Li, A Coolant/Breeder Material Developed for APEX/ALPS Applications

Sawan Breeding Potential for Lithium-Tin

Sawan Breeding Potential for Flibe

Session IV: He-Cooled Refractory Metal FW/Blanket/Divertor Concept (Chair: Mahmoud Youssef)

Nelson The Helium-Refractory First Wall Blanket CAD

Nelson Considerations for Heating and Diagnostic Penetrations

Nygren Design Model for Dual Channel He Cooled Heat Sink

Youssef Profiles of Heating Rates and Damage in the He-Cooled Refractory Metals Concept

Session V: Materials and Data Base Evaluation (Chair: Steve Zinkle)

Ghoniem Updated Data on Corrosion of Structural Materials

(including volatile oxidation of Mo, W, oxygen partial pressure vs. temperature limits)

Zinkle Thermomechanical Properties of W-Re Alloys

Session VI: FRC Configuration (Chair: Robert Woolley)

Gulec/Moir/Santarus FRC Design Status

Gulec Liquid Blanket Configurations for FRC

Session VII: Plasma Interface Issues (Chair: Richard Mattas)

Uchimoto Bremsstrahlung Radiation Spectrum

Rognlien Impurity Ion Penetration into the Edge Plasma Region

Rognlien/Brooks Summary of Work of ALPS/APEX Plasma Modeling Group

Hassanein Disruption/Surface Stability

Nygren Summary of Japanese Activities on Liquid Metal Studies

Session VIII: Evaluation Criteria and Discussion on Concepts (Chairs: M. Abdou and M. Sawan)

Sawan Plans for the APEX Evaluation Group

Session IX: Key Issues and Plans (Chairs: Mahmoud Youssef and Mohamed Sawan)

Morley CLIFF (15 min)

Ying/Gulec GMD and FRC (15 min)

Sze APPLE (15 min)

Mattas/Malang EVOLVE (15 min)

Nygren He-cooled Refractory (15 min)

Nelson Mechanical Design (15 min)

Zinkle Materials (10 min)

McCarthy Safety (10 min)

Hassanein Plasma Disruption (10 min)

Baker Virtual Laboratory for Technology (10 min)

Session X: Study Direction (Session Chair: Mohamed Abdou)

10:45 a.m.

– Comments and Suggestions on Future Directions

– Interim Report Outline and Schedule Solicitation of New Ideas

– Competitive Proposals Process

– Next Meeting Plans

– Plans for US-Japan Workshops