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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
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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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How to talk about nuclear
In your career as a professional in the nuclear community, chances are you will, at some point, be asked (or volunteer) to talk to at least one layperson about the technology you know and love. You might even be asked to present to a whole group of nonnuclear folks, perhaps as a pitch to some company tangential to your company’s business. So, without further ado, let me give you some pointers on the best way to approach this important and surprisingly complicated task.
Feroz Ahmed, L. S. Kothari
Nuclear Science and Engineering | Volume 43 | Number 3 | March 1971 | Pages 315-318
Technical Paper | doi.org/10.13182/NSE71-A19977
Articles are hosted by Taylor and Francis Online.
A new variational method has been developed to study the pulsed-neutron problem in crystalline moderators, which permits one to take explicit account of the discontinuities in the values of transport cross section of crystalline moderators at Bragg energies. For the trial function, we take the exact solution of the eigenvalue equation for some suitably chosen large value of buckling, say . It is shown by considering the case of beryllium that the present method, quite simply and accurately, gives the values of the fundamental mode decay constant and the corresponding eigenfunction in a sufficiently large range of buckling without having to solve the eigenvalue equation for each buckling separately. The results are discussed for two different values of —0.04 and 0.06 cm−2.
