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Nuclear Criticality Safety
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Nuclear Science and Engineering
Fusion Science and Technology
Majority of Americans favor new nuclear plants
Pollster Scott Rasmussen reports that 53 percent of American voters support the construction of new nuclear power plants in the United States, while 31 percent oppose new plants. He further reports that 21 percent strongly favor and 14 percent strongly oppose new nuclear facilities.
R. Coelho, S. Matejcik, P. McCarthy, E. P. Suchkov, F. S. Zaitsev, EU-IM Team, ASDEX Upgrade Team
Fusion Science and Technology | Volume 69 | Number 3 | May 2016 | Pages 611-619
Technical Paper | dx.doi.org/10.13182/FST15-177
Articles are hosted by Taylor and Francis Online.
An important direction of fusion research is the reconstruction of plasma equilibrium from measurements. Most of the plasma modeling codes and plasma control systems use equilibrium data on input. Therefore, the accuracy of reconstructions plays a crucial role in fundamental understanding of processes in present-day devices and fusion reactors. The results of previous research show that one can get substantially different reconstructions of plasma current densities and safety factors, which fit the measurements even within a relatively small inaccuracy. So, rigorous calculation of the reconstructed function error bars is required. This paper presents new advances in formulation of the equilibrium reconstruction problem for the epsilon-net (ε-net) framework, describes application of the ε-net technique for rigorous calculation of the reconstruction error bars and its implementation in the European Integrated Modeling (EU-IM) platform, and gives examples of error bar evaluation for ASDEX Upgrade concentrating on the plasma pressure constraint analysis.