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Fusion Science and Technology
BWXT to demonstrate TRISO fuel line operations under contract extension
BWX Technologies announced on January 24 that it has been awarded a $4.9 million contract amendment to produce TRISO fuel particles using natural uranium and to demonstrate performance under a defined production schedule. BWXT’s Nuclear Operations Group will perform the work at BWXT’s Lynchburg, Va., facility, where TRISO production was restarted in November 2020. The contract amendment was awarded by Battelle Energy Alliance, which manages Idaho National Laboratory on behalf of the Department of Energy.
K. Fujimoto, T. Nakano, H. Kubo, H. Kawashima, K. Shimizu, N. Asakura (19P12)
Fusion Science and Technology | Volume 51 | Number 2 | February 2007 | Pages 247-249
Technical Paper | Open Magnetic Systems for Plasma Confinement | dx.doi.org/10.13182/FST07-A1364
Articles are hosted by Taylor and Francis Online.
In JT-60U divertor plasmas, deuterium Balmer-series line emission has been measured with a wide-spectral-band spectrometer, which has 92 viewing chords with a ~1cm spatial resolution. Two-dimensional spatial distribution of the Balmer line intensities has been reconstructed using a computer tomography technique (maximum entropy method). In an inner-detached and outer-attached divertor plasma, the intensity of D and D lines were stronger above the strike point in the inner divertor and near the strike point in the outer divertor. The ratio of the D line intensity to the D line intensity was 0.3 - 0.5 above the strike point in the inner divertor and 0 - 0.2 near the strike point in the outer divertor. It suggested that the line emission were attributed to the plasma recombination above the strike point in the inner divertor and the plasma ionization near the strike point in the outer divertor.