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NNSA awards BWXT $1.5B defense fuels contract
The Department of Energy’s National Nuclear Security Administration has awarded BWX Technologies a contract valued at $1.5 billion to build a Domestic Uranium Enrichment Centrifuge Experiment (DUECE) pilot plant in Tennessee in support of the administration’s efforts to build out a domestic supply of unobligated enriched uranium for defense-related nuclear fuel.
Vladimir I. Kolobov
Fusion Science and Technology | Volume 55 | Number 2 | February 2009 | Pages 30-37
Technical Paper | Seventh International Conference on Open Magnetic Systems for Plasma Confinement | doi.org/10.13182/FST09-A6979
Articles are hosted by Taylor and Francis Online.
We describe state-of-the-art simulations of weakly ionized low-temperature plasmas for modern technologies. Emphasis is placed on fluorocarbon plasmas for manufacturing microelectronic devices and plasmas of rare gases for excimer lamps. Electron kinetics plays a crucial role in these plasmas. We illustrate the specifics of electron kinetics in different types of gas discharges. We evaluate the availability and quality of electron collision cross sections (total and differential) for elastic collisions with neutral species, excitation of electronic levels of atoms and internal levels of molecules, as well as their effect on the electron distribution function (EDF) and plasma chemistry. Among the crucial data needs for simulations of industrial plasma sources are validated gas-phase chemical reaction mechanisms including electron-induced reactions and gas phase reactions among heavy species.