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Robotics & Remote Systems
The Mission of the Robotics and Remote Systems Division is to promote the development and application of immersive simulation, robotics, and remote systems for hazardous environments for the purpose of reducing hazardous exposure to individuals, reducing environmental hazards and reducing the cost of performing work.
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ANS Student Conference 2025
April 3–5, 2025
Albuquerque, NM|The University of New Mexico
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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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Latest News
Norway’s Halden reactor takes first step toward decommissioning
The government of Norway has granted the transfer of the Halden research reactor from the Institute for Energy Technology (IFE) to the state agency Norwegian Nuclear Decommissioning (NND). The 25-MWt Halden boiling water reactor operated from 1958 to 2018 and was used in the research of nuclear fuel, reactor internals, plant procedures and monitoring, and human factors.
Tsunetaka Banba, Takashi Murakami, Hideo Kimura
Nuclear Technology | Volume 76 | Number 1 | January 1987 | Pages 84-90
Technical Paper | Radioactive Waste Management | doi.org/10.13182/NT87-A33899
Articles are hosted by Taylor and Francis Online.
The one-dimensional diffusion model of leaching was developed on the basis of the Soxhlet-type leaching experiment of waste glass. Emphasis was placed on proposing a model for the growth of surface layers and for an immobilized reaction inside these layers. The equations derived from the modeling were solved numerically and the resulting equations were implemented in a computer code named LEACH. The computed and measured leach rates of sodium, cesium, calcium, and strontium were in good agreement under the Soxhlet-type leaching condition. The computed results revealed that the growth of surface layers, including the immobilized reaction, plays an important role in the leach rates of elements, because the diffusion coefficients of surface layers were much different from those of the bulk glass, and because for calcium and strontium the immobilized reactions affected their leach rates. Therefore, in order to predict the leach rates of waste glasses by using the proposed model, the time dependence of the growth of surface layers should be measured experimentally.