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Division Spotlight
Thermal Hydraulics
The division provides a forum for focused technical dialogue on thermal hydraulic technology in the nuclear industry. Specifically, this will include heat transfer and fluid mechanics involved in the utilization of nuclear energy. It is intended to attract the highest quality of theoretical and experimental work to ANS, including research on basic phenomena and application to nuclear system design.
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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.
John Toman
Nuclear Technology | Volume 27 | Number 4 | December 1975 | Pages 692-704
Technical Paper | Nuclear Explosive | doi.org/10.13182/NT75-A24342
Articles are hosted by Taylor and Francis Online.
The reentry drilling established communication with the top Rio Blanco detonation region at a depth of 1704 m, or ∼76 m above the top detonation center. A total of 2.8 × 106 m3 (98 × 106 ft3) of dry gas at standard conditions has now been produced during two separate test periods. Radioactive and chemical analysis of this gas and the modeling of the stimulated reservoir show the following main results: 1. No permeable connection exists between the top and the middle detonation regions, since no significant amount of the tracer incorporated in the center explosive canister was detected in the produced gas. As a consequence, results for the top detonation region only are available at this time. 2. The initial cavity radius is deduced to be 20 m (66 ft) or well within expectations. 3. Integration of the 85Kr produced indicates a yield of 34 ± 3 kt for the top explosive. 4. Of the ∼1000 Ci of tritium produced in the top explosion region, ∼5% is incorporated in the gas phase. 5. Pressure drawdown and buildup data are best reproduced by a two-layer reservoir model showing stimulated permeabilities ∼10 and 30 times original formation permeabilities, and extending to a distance of ∼3 cavity radii from the wellbore. 6. The capacity of the reservoir intercepted by the top explosive is deduced to be ∼0.2 millidarcy-meters (md-m) [0.73 millidarcy-feet (md-ft)], as contrasted with preshot estimates ranging from 1.3 md-m (4.1 md-ft) to 2.3 md-m (7.6 md-ft). Additional subsurface investigations of the other detonation regions, as well as a reevaluation of the initial reservoir properties, are in progress.