Program status 2. quarter -- FY 1990: Fusion technology development Page: 4 of 19
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. GENERAL ATOMICS
FUSION TECHNOLOGY DEVELOPMENT
2nd QUARTER FY90
" Reactor Studies - ARIES
- The final report on the ARIES-1 high field tokamak design is essentially complete.
It will be printed by UCLA.
- Clement Wong and Ed Cheng have begun investigation of helium-cooled blankets
for the ARIES-I second stability region tokamak, with emphasis on use of liquid
lithium for the tritium breeding material. An attractive design is emerging.
" RF Technology
- Varian EIMAC encountered difficulty in assembling the X-2274 tetrode tubes for
testing in Japan. A faulty braze joint and an internal arc caused by a failure of a
stainless steel washer have delayed completion of tube assembly.
- Doug Remsen still hopes to have the two tubes ready for testing at JAERI on
June 11, 1990, as scheduled.
" Fusion Nuclear Technology
- The joint US/PRC integral neutronics experiment on beryllium was completed during
March in Chengdu, PRC. Analysis of the results has begun.
- Ed Cheng has completed a preliminary report on the International Fusion Activation
Calculation Comparison Study, which shows significant differences in some specific
details between the results calculated by the U.S., the U.K., Japan, and the USSR.
" Plasma Facing Components
- Preliminary analysis by ANL of DIII-D divertor erosion, using measured plasma
conditions, predicts maximum net erosion of 50 m and maximum net deposition
of 23 m. Measurement by SNL-L of the 12 tiles removed in December 1989 is
- Remy Gallix has completed final design of the DIII-D Dlvertor Material Exposure
System (DIMES). Although fabrication funding has not yet been received, we still
hope to install the in-vessel components during the June 1990 vent.
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Program status 2. quarter -- FY 1990: Fusion technology development, report, May 1, 1990; San Diego, California. (https://digital.library.unt.edu/ark:/67531/metadc663990/m1/4/: accessed June 18, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.