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Division Spotlight
Isotopes & Radiation
Members are devoted to applying nuclear science and engineering technologies involving isotopes, radiation applications, and associated equipment in scientific research, development, and industrial processes. Their interests lie primarily in education, industrial uses, biology, medicine, and health physics. Division committees include Analytical Applications of Isotopes and Radiation, Biology and Medicine, Radiation Applications, Radiation Sources and Detection, and Thermal Power Sources.
Meeting Spotlight
Utility Working Conference and Vendor Technology Expo (UWC 2024)
August 4–7, 2024
Marco Island, FL|JW Marriott Marco Island
Standards Program
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
Virginia utility considers SMRs
Dominion Energy Virginia has issued a request for proposals from leading nuclear companies to study the feasibility of putting a small modular reactor at its North Anna nuclear power plant.
While the utility says it is not a commitment to build an SMR at the site, the RFP is “an important first step in evaluating the technology and the North Anna site to support Dominion Energy customers’ future energy needs consistent with the company’s most recent Integrated Resource Plan.”
W. H. Amarasooriya, Hongfei Yan, Umesh Ratnam,†, Theo G. Theofanous
Nuclear Technology | Volume 101 | Number 3 | March 1993 | Pages 354-384
Technical Paper | Severe Accident Technology / Nuclear Reactor Safety | doi.org/10.13182/NT93-A34794
Articles are hosted by Taylor and Francis Online.
This is the third part of a three-part series of papers addressing the probability of liner failure in a Mark-I containment. The purpose is to quantify the corium/concrete interactions and liner attack phenomena in a form suitable for use in the probabilistic framework as discussed in the first part of this series. In the quantifications of corium/concrete interactions, the principal parameter of interest is the melt superheat transient, especially as it is affected by the oxidation of the metallic components in the melt. A computer code specifically developed for this purpose is also described and compared with available experimental data. In the quantification of the liner attack phenomena, the principal parameters are melt-to-liner heat transfer coefficient and liner failure criteria. The assessment of the heat transfer coefficient is based on experiments that simulate the melt-to-liner contact (recirculating) flow regime, which were specifically run for this purpose. The consideration of liner failure criteria includes finite element analyses addressing the potential for structural failure (due to loss of strength in high-temperature steel) in addition to straightforward failure by melting. The two-dimensional and transient aspects of the heat transfer problem, including solid-liquid phase change at the melt-liner interface, are shown to be important, and the quantification is carried out by means of an analysis tool specifically developed for this purpose.