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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.
Simppa Äkäslompolo, Taina Kurki-Suonio, Seppo Sipilä, ASCOT Group
Fusion Science and Technology | Volume 69 | Number 3 | May 2016 | Pages 620-627
Technical Paper | dx.doi.org/10.13182/FST15-184
Articles are hosted by Taylor and Francis Online.
Measuring fast ions, most notably fusion alphas, in ITER and future reactors remains an issue that still lacks an adequate solution. Numerical simulations are invaluable in testing the potential and limitations of various proposed diagnostics. However, the validity of the numerical tools first has to be checked against results from existing tokamaks. In this contribution, various synthetic diagnostics for fast ions (collective Thomson scattering, neutral particle analyzer, neutron camera, infrared measurements, fast ion loss detector, and activation probe) from the orbit-following Monte Carlo code ASCOT are compared to measurements from several tokamaks (ASDEX Upgrade, DIII-D, and JET). Within the limitations of the physics included in the numerical model and availability of input data from experiments, the agreement between synthetic data and measurements is found to be quite good.