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Argonne study evaluates impact of tropical cyclones on nuclear power plants
Scientists at Argonne National Laboratory have published a study evaluating the risk of flooding caused by tropical cyclones on coastal infrastructure, including nuclear power plants. The study, published in npj Natural Hazards, used advanced computer simulations of thousands of cyclone scenarios to make projections of potential damage of extreme storm tides in coastal areas—a threat that is expected to increase as a result of climate change. The researchers stated that their projections could be used to make siting decisions and design more resilient systems for nuclear power plants, hospitals, and other crucial infrastructure.
T. Muroga, T. Tanaka, Zaixin Li, A. Sagara, Dai-Kai Sze
Fusion Science and Technology | Volume 52 | Number 3 | October 2007 | Pages 682-686
Technical Paper | The Technology of Fusion Energy - Tritium, Safety, and Environment | doi.org/10.13182/FST07-A1568
Articles are hosted by Taylor and Francis Online.
One of the critical issues of Flibe/V-alloy blanket with REDOX control by Be is a large tritium inventory in V-alloy structures. Among the possible solutions to this issue would be to control REDOX not by Be but by addition of MoF6 or WF6 enhancing the reaction from T2 to TF. The present study investigated feasibility of this procedure by thermodynamic and neutronics calculations. Using the blanket dimensions of Force Free Helical Reactor (FFHR), tritium inventory in V-alloy structure and Flibe were estimated based on the calculated equilibrium partial pressures of T2 and TF in various cases of REDOX control by MoF6 or WF6. Also carried out were neutronics examinations for the impact of Mo or W doping in the blanket. The results showed that the tritium inventory in the blanket area would be less than 100g at the TF level of 0.1 and 1 ppm in Flibe with addition of WF6 and MoF6, respectively. WF6 doping is far more advantageous than MoF6 doping for low activation purposes.
