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Nuclear Criticality Safety
NCSD provides communication among nuclear criticality safety professionals through the development of standards, the evolution of training methods and materials, the presentation of technical data and procedures, and the creation of specialty publications. In these ways, the division furthers the exchange of technical information on nuclear criticality safety with the ultimate goal of promoting the safe handling of fissionable materials outside reactors.
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Utility Working Conference and Vendor Technology Expo (UWC 2024)
August 4–7, 2024
Marco Island, FL|JW Marriott Marco Island
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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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BWXT will scout potential TRISO fuel production sites in Wyoming
BWX Technologies Inc. announced today that its Advanced Technologies subsidiary has signed a cooperation agreement with the state of Wyoming to evaluate locations and requirements for siting a potential new TRISO nuclear fuel fabrication facility in the state.
M. Beller, D. Goellner, M. Steinberg
Nuclear Technology | Volume 1 | Number 4 | August 1965 | Pages 322-326
Technical Paper | doi.org/10.13182/NT65-A20529
Articles are hosted by Taylor and Francis Online.
An evaluation of the economics of producing ozone from oxygen in a system utilizing fission fragment energy is presented with a study of the design of such a system. The study covers a range of G values for ozone formation from 3 to 15 and chemonuclear reactor ozone concentrations from 10 parts/106 to 10% at an operating temperature of −20°C. A graphite-moderated nuclear reactor design, which utilizes a 2.5-µm thick U-Pd alloy foil as fuel elements, is employed. Ozone is separated by silica-gel adsorption; decontamination procedures are described. Investment and operating costs for the chemonuclear and conventional methods of ozone production are compared for an ozone production rate of 100 ton/d. It is concluded that the chemonuclear route becomes competitive with conventional ozonizers at a steady-state concentration of 0.1% ozone for a G value of 9 and at a concentration as low as 150 parts/106 for a G value of 15. The study indicates the need for research on fission fragment and radiation chemistry in the ozone-oxygen system at temperatures from 20°C to −78°C for determining the feasibility of these yields.