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Fusion Science and Technology
Latest News
Strontium: Supply-and-demand success for the DOE’s Isotope Program
The Department of Energy’s Isotope Program (DOE IP) announced last week that it would end its “active standby” capability for strontium-82 production about two decades after beginning production of the isotope for cardiac diagnostic imaging. The DOE IP is celebrating commercialization of the Sr-82 supply chain as “a success story for both industry and the DOE IP.” Now that the Sr-82 market is commercially viable, the DOE IP and its National Isotope Development Center can “reassign those dedicated radioisotope production capacities to other mission needs”—including Sr-89.
Jonathan B. Lister, Ferdinand Hofmann, Jean-Marc Moret, Felix Bühlmann, Michael J. Dutch, Damien Fasel, Alain Favre, Pierre-Francois Isoz, Blaise Marletaz, Philippe Marmillod, Yves Martin, Albert Perez, David J. Ward
Fusion Science and Technology | Volume 32 | Number 3 | November 1997 | Pages 321-373
Technical Paper | Plasma Control Issues for Tokamaks | doi.org/10.13182/FST97-A1
Articles are hosted by Taylor and Francis Online.
The general control of tokamak plasmas has evolved considerably over the past few years with an increase in the plasma pulse length, an increase in the control of additional heating and fueling, and an increase in the degree to which the shape of the plasma can be varied. The Tokamak Configuration Variable (TCV) is specifically designed to explore the operational benefits of plasma shaping over a wide variety of plasma shapes. Consequently, considerable attention has been given to the control of the poloidal field coil currents that impose the desired shape. All aspects of the control of TCV plasmas, from the diagnostic measurements to the power supplies, via particular control algorithms and overall supervision are discussed.