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2020 ANS Virtual Winter Meeting
November 16–19, 2020
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Fusion Science and Technology
U.S. reactor technologies to be featured at IAEA conference
A virtual side event at the 64th General Conference of the International Atomic Energy Agency will spotlight U.S. reactor technologies. The free event, US Reactor Technologies: Flexible Energy Security for Real-World Challenges, will be held this Thursday, September 24, from 9:00 a.m. to 10:30 a.m. (EDT).
The event will highlight the capabilities of small modular reactors and other innovative reactors for addressing countries’ current needs. It will also examine anticipated challenges in the future, as well as underscore the need to act now.
The event is sponsored by the U.S. Department of Energy’s Office of Nuclear Energy. Advanced registration is required.
Аleksey Vasilyev, Аleksey Ekidin, Мaxim Vasyanovich, Мariia Pyshkina, Konstantin Antonov, Аlexander Antushevskiy, Мaxim Semenov, Еkaterina Murashova
Fusion Science and Technology | Volume 76 | Number 4 | May 2020 | Pages 526-535
Technical Paper | dx.doi.org/10.1080/15361055.2020.1718936
Articles are hosted by Taylor and Francis Online.
Atmospheric tritium discharges from nuclear power plants (NPPs) may have a significant impact on the population and should be constrained by radiation safety requirements. In this study we show that the spray ponds used for water cooling in some Russian NPPs are liable to state registration and regulation in accordance with national legislation. A comparison of possible conservative approaches to assess the intensity of tritium releases from the spray ponds was carried out using the example of the Balakovo NPP. Estimates of the evaporated water amount varied from 35 000 to 60 000 m3 over the 82-day period of stable snow cover in 2016–2017. These estimates corresponded to the total tritium activity discharged into the atmosphere during the evaporation from all spray ponds in the range from 5.2 × 1011 to 9.7 × 1011 Bq. The power of the source was from 7.4 × 104 to 1.4 × 105 Bq/s according to the thermodynamic and thermophysical approaches, respectively. The results of the investigation confirm the assumption that the spray ponds of the Balakovo NPP are a standardized source of tritium releases and should be constrained by setting airborne discharge limits.