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DOE awards $2.7B for HALEU and LEU enrichment
Yesterday, the Department of Energy announced that three enrichment services companies have been awarded task orders worth $900 million each. Those task orders were given to American Centrifuge Operating (a Centrus Energy subsidiary) and General Matter, both of which will develop domestic HALEU enrichment capacity, along with Orano Federal Services, which will build domestic LEU enrichment capacity.
The DOE also announced that it has awarded Global Laser Enrichment an additional $28 million to continue advancing next generation enrichment technology.
R. Giannella, M. Roccella
Fusion Science and Technology | Volume 18 | Number 2 | September 1990 | Pages 201-222
Technical Paper | Plasma Engineering | doi.org/10.13182/FST90-A29294
Articles are hosted by Taylor and Francis Online.
An analysis (in terms of different figures of merit) of the performances of several recently proposed tokamaks (IGNITOR, Compact Ignition Tokamak, IGNITEX, JIT, Enhanced Tokamak, Next European Torus, Candor) has been performed. The analysis was carried out according to different scaling laws and in various operating scenarios (temperature and density profile control, low and high energy confinement modes). In the plasma model, profile consistency between current density and temperature was assumed, taking into account neoclassical conductivity and the related physical constraints. The profiles obtained simulate the experimental data fairly well for both lower and higher collisional plasmas. A code was developed for this purpose that produces the stationary state contours for a given tokamak at different additional power levels once the scaling law is fixed. For a given machine, automatic analyses of these diagrams can be carried out for different confinement scaling laws and operating conditions. For a given scaling law and operating scenario, the code scans the configuration space looking for the “machines” capable of reaching ignition according to some simple technological constraints. The results for the most conservative situation are also shown.