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Division members promote the advancement of mathematical and computational methods for solving problems arising in all disciplines encompassed by the Society. They place particular emphasis on numerical techniques for efficient computer applications to aid in the dissemination, integration, and proper use of computer codes, including preparation of computational benchmark and development of standards for computing practices, and to encourage the development on new computer codes and broaden their use.
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2024 ANS Annual Conference
June 16–19, 2024
Las Vegas, NV|Mandalay Bay Resort and Casino
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Latest News
DOE issues RFQ for clean-energy projects at WIPP
The Department of Energy has issued a request for qualifications (RFQ) for interested parties that are looking to establish carbon pollution–free electricity (CFE) projects at its Waste Isolation Pilot Plant site in New Mexico.
Sang-Hyuk Jung, Jei-Won Yeon, Sue Young Hong, Yong Kang, Kyuseok Song
Nuclear Science and Engineering | Volume 181 | Number 2 | October 2015 | Pages 191-203
Technical Paper | doi.org/10.13182/NSE14-87
Articles are hosted by Taylor and Francis Online.
The oxidation behavior of iodide ion (I−) was investigated in aqueous solutions under a high dose rate of gamma irradiation in the range of 0 to 10 kGy·h−1. In particular, we investigated the formation of tri-iodide ion (I3−), the pH change of the solution, and the behavior of iodine species after the irradiation. As the gamma dose and the irradiation time increased, both the formation rate and the amount of I3− correspondingly increased. While I3− is not present above pH 10 due to its disproportionation reaction even without gamma irradiation, with irradiation, I3− does not exist above pH 6.4 because the H2O2 acts as a reductant above pH 5.4. At relatively high concentrations of I−, I3− was the major oxidation species of the gamma irradiation. However, as the irradiation progressed, the concentration of I3− decreased gradually, and eventually, I2 was left as the only species.