ANS is committed to advancing, fostering, and promoting the development and application of nuclear sciences and technologies to benefit society.
Explore the many uses for nuclear science and its impact on energy, the environment, healthcare, food, and more.
Division Spotlight
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.
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!
Latest Magazine Issues
Jul 2024
Jan 2024
Latest Journal Issues
Nuclear Science and Engineering
August 2024
Nuclear Technology
Fusion Science and Technology
Latest News
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.
W. F. Vogelsang
Nuclear Technology | Volume 15 | Number 3 | September 1972 | Pages 470-474
Technical Note | Reactor | doi.org/10.13182/NT72-A16045
Articles are hosted by Taylor and Francis Online.
A simple model is proposed to investigate the relations between breeding, inventory, and doubling time in the blanket of a fusion reactor using the T(D,n)He4 reaction. It is assumed that the amount of tritium removed per unit time is proportional to the amount present and the effects of radioactive decay are included. A series of numerical calculations was made using pa rameters appropriate for a 5000-MW(th) reactor. From these calculations it appears that to keep the blanket inventory and the initial inventory for startup to reason able values, the tritium removal system must be de signed to provide a mean tritium residence time in the blanket less than ∼1 day, preferably with the mean residence time approaching 0.1 day. Breeding ratios in the range of 1.02 to 1.1 give acceptable doubling times and, in general, higher breeding ratios are not desirable, especially when considered from a hazards viewpoint.