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Division Spotlight
Fusion Energy
This division promotes the development and timely introduction of fusion energy as a sustainable energy source with favorable economic, environmental, and safety attributes. The division cooperates with other organizations on common issues of multidisciplinary fusion science and technology, conducts professional meetings, and disseminates technical information in support of these goals. Members focus on the assessment and resolution of critical developmental issues for practical fusion energy applications.
Meeting Spotlight
2025 ANS Annual Conference
June 15–18, 2025
Chicago, IL|Chicago Marriott Downtown
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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Latest News
BREAKING NEWS: Trump issues executive orders to overhaul nuclear industry
The Trump administration issued four executive orders today aimed at boosting domestic nuclear deployment ahead of significant growth in projected energy demand in the coming decades.
During a live signing in the Oval Office, President Donald Trump called nuclear “a hot industry,” adding, “It’s a brilliant industry. [But] you’ve got to do it right. It’s become very safe and environmental.”
G. C Pomraning
Nuclear Science and Engineering | Volume 86 | Number 4 | April 1984 | Pages 335-343
Technical Paper | doi.org/10.13182/NSE84-A18634
Articles are hosted by Taylor and Francis Online.
The Chapman-Enskog procedure of kinetic theory is used to obtain a flux-limited diffusion theory for linear transport problems. The analysis is carried out within the context of multigroup theory, with an arbitrary scattering matrix involving anisotropic effects for both within-group and group-to group scattering. Aside from the question of flux limiting, a new definition of the transport cross section arises naturally from the analysis.
