Description: The ARIES-I design is nearing completion. The ARIES-II design work will begin soon and will be based on an advanced physics DT tokamak operating in the second stability regime. The ARIES-I blanket design team has selected the 5 MPa helium-cooled design as the reference blanket for study. Beryllium neutron multiplier will be used together with an advanced super-critical steam cycle for power conversion. Model ICRF tetrode tube anodes demonstrated the equivalent of plate dissipation, exceeding expectations. Full size tubes are being constructed for testing at JAERI. International fusion nuclear data cooperation activities continued to expand. The exposure of 12 well-characterized graphite tiles in the divertor region of DIII-D continues. The conceptual design of a mechanism to insert material samples into the DIII-D divertor is nearing completion. Finally, the data on manganese-stabilized austenitic steels that was obtained and compiled last quarter was prepared for presentation to the ITER team.
Date: October 18, 1989
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