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Nuclear Energy Conference & Expo (NECX)
September 8–11, 2025
Atlanta, GA|Atlanta Marriott Marquis
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The Standards Committee is responsible for the development and maintenance of voluntary consensus standards that address the design, analysis, and operation of components, systems, and facilities related to the application of nuclear science and technology. Find out What’s New, check out the Standards Store, or Get Involved today!
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Hash Hashemian: Visionary leadership
As Dr. Hashem M. “Hash” Hashemian prepares to step into his term as President of the American Nuclear Society, he is clear that he wants to make the most of this unique moment.
A groundswell in public approval of nuclear is finding a home in growing governmental support that is backed by a tailwind of technological innovation. “Now is a good time to be in nuclear,” Hashemian said, as he explained the criticality of this moment and what he hoped to accomplish as president.
Kenzo Munakata, Masahiro Nabeshima
Nuclear Technology | Volume 96 | Number 1 | October 1991 | Pages 84-95
Technical Paper | Enrichment and Reprocessing System | doi.org/10.13182/NT91-A35535
Articles are hosted by Taylor and Francis Online.
The behavior of U(IV) in pulsed columns during off-standard operation is studied. The effects of disturbances on the behavior of U(IV) and U(VI) are tested using extraction equipment. The experimental results show that disturbances induce a marked accumulation of U(IV). Furthermore, simulations are carried out with the DYNAC numerical calculation model. For U(VI) and nitric acid concentration, the simulated values are in good agreement with experimental values. There is, however, a tendency to underestimate the concentration of U(IV) in the organic phase when U(IV) distribution correlations based on available data are used. Temperature profiles are also predicted, and the estimated values agree well with the measured values. Therefore, it is confirmed that DYNAC is applicable to heat balance calculation.
