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.
Explore membership for yourself or for your organization.
Conference Spotlight
2026 ANS Annual Conference
May 31–June 3, 2026
Denver, CO|Sheraton Denver
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
Jan 2026
Jul 2025
Latest Journal Issues
Nuclear Science and Engineering
January 2026
Nuclear Technology
December 2025
Fusion Science and Technology
November 2025
Latest News
DOE awards $2.7B for HALEU and LEU enrichment
Yesterday, the Department of Energy announced that three enrichment services companies have been awarded task orders worth $900 million each. Those task orders were given to American Centrifuge Operating (a Centrus Energy subsidiary) and General Matter, both of which will develop domestic HALEU enrichment capacity, along with Orano Federal Services, which will build domestic LEU enrichment capacity.
The DOE also announced that it has awarded Global Laser Enrichment an additional $28 million to continue advancing next generation enrichment technology.
Technical Session|Radiative Transfer Methods
Tuesday, April 29, 2025|8:00–9:40AM MDT|E.P. Ensley A
Session Chair:
Nick Gentile (LLNL)
Alternate Chair:
Mathew Cleveland (LANL)
To access paper attachments, you must be logged in and registered for the meeting.
Register NowLog In
A Hybrid Second Moment Method for Thermal Radiative Transfer
8:00–8:25AM MDT
Michael Pozulp (LLNL), Terry Haut (LLNL), Patrick Brantley (LLNL), Samuel Olivier (LANL), Jasmina Vujic (Univ. California, Berkeley)
Paper
A Second Moment Transport Method for Semi-Implicit Nonlinear Thermal Radiative Transfer
8:25–8:50AM MDT
Joseph M. Coale (LANL), James S. Warsa (LANL), Samuel Olivier (LANL), Dmitriy Y. Anistratov (NCSU), Jim E. Morel (TAMU)
Generalized Non-Equilibrium Marshak Wave Solutions in the Gray Diffusion Approximation
8:50–9:15AM MDT
Menahem Krief (Racah Institute), Ryan G. McClarren (Univ. Notre Dame)
Multilevel Method with Low-Order Equations of Mixed Types and Two Grids in Photon Energy for Thermal Radiative Transfer
9:15–9:40AM MDT
Dmitriy Y. Anistratov (NCSU), Terry S. Haut (LLNL)
To join the conversation, you must be logged in and registered for the meeting.