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
Nuclear Energy Conference & Expo (NECX)
September 8–11, 2025
Atlanta, GA|Atlanta Marriott Marquis
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
Sep 2025
Jan 2025
Latest Journal Issues
Nuclear Science and Engineering
September 2025
Nuclear Technology
Fusion Science and Technology
August 2025
Latest News
Uranium prices rise in August. Could they top $100/lb next year?
Canadian uranium provider Cameco calculated an end-of-August spot price for uranium of $75.13—up from the previous month’s spot price of $71.10. Cameco continues to list a long-term price of $81.00 for August and has set it at $80.00 or $81.00 all year.
Roger O. Wooton
Nuclear Technology | Volume 87 | Number 1 | August 1989 | Pages 310-325
Technical Paper | TMI-2: Materials Behavior / Nuclear Safety | doi.org/10.13182/NT89-A27659
Articles are hosted by Taylor and Francis Online.
Calculations with the STCP version of MARCH were performed as part of the Three Mile Island Unit 2 (TMI-2) Analysis Exercise. In the light of the present knowledge of what happened at TMI-2, a number of modeling enhancements were found necessary to interpret the accident. These enhancements and the results of calculations are described. The modified version of MARCH reproduced many of the key accident signatures, including the timing of core heatup, reasonable predictions of the core melt and cladding reaction fractions, the primary system pressure, and the hydrogen release to the containment, which eventually produced a burn at 10 h.