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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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Conference on Nuclear Training and Education: A Biennial International Forum (CONTE 2025)
February 3–6, 2025
Amelia Island, FL|Omni Amelia Island Resort
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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A more open future for nuclear research
A growing number of institutional, national, and funder mandates are requiring researchers to make their published work immediately publicly accessible, through either open repositories or open access (OA) publications. In addition, both private and public funders are developing policies, such as those from the Office of Science and Technology Policy and the European Commission, that ask researchers to make publicly available at the time of publication as much of their underlying data and other materials as possible. These, combined with movement in the scientific community toward embracing open science principles (seen, for example, in the dramatic rise of preprint servers like arXiv), demonstrate a need for a different kind of publishing outlet.
Celine C. Lascar, S. I. Abdel-Khalik, D. L. Sadowski
Fusion Science and Technology | Volume 52 | Number 3 | October 2007 | Pages 489-493
Technical Paper | The Technology of Fusion Energy - Inertial Fusion Technology: Targets and Chambers | doi.org/10.13182/FST07-A1536
Articles are hosted by Taylor and Francis Online.
In a high-yield, low repetition rate Inertial Fusion Energy (IFE) system, such as the Z-Pinch IFE reactor, compressible liquid/gas jets offer the opportunity to protect the cavity walls from the target X-rays, ions and neutrons. They can especially limit and mitigate the mechanical consequences of the shock waves produced by rapid heating/evaporation of the protective jets. In this investigation, experiments have been conducted to examine the stability of two-phase jets and quantify the extent by which they can attenuate a shock wave. An exploding wire was used to generate a shock wave at the center of downward flowing annular single- and two-phase jets within a concentric cylindrical enclosure. The pressure history at the enclosure wall was recorded as the shock wave propagated through the attenuating two-phase medium. Experiments were conducted using two different-size jets and enclosures at various liquid velocities, void fractions, and initial shock strength. The data showed that stable coherent jets could be established and steadily maintained with relatively high void fractions and that significant attenuation in shock strength could be attained at relatively modest void fractions. The data obtained in this investigation can be used to validate predictions of shock attenuation models for future IFE reactor cavities.