ANS is committed to advancing, fostering, and promoting the development and application of nuclear sciences and technologies to benefit society.
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Division Spotlight
Reactor Physics
The division's objectives are to promote the advancement of knowledge and understanding of the fundamental physical phenomena characterizing nuclear reactors and other nuclear systems. The division encourages research and disseminates information through meetings and publications. Areas of technical interest include nuclear data, particle interactions and transport, reactor and nuclear systems analysis, methods, design, validation and operating experience and standards. The Wigner Award heads the awards program.
Meeting Spotlight
ANS Student Conference 2025
April 3–5, 2025
Albuquerque, NM|The University of New Mexico
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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February 2025
Latest News
Investment bill would provide funding options for energy projects
Coons
Moran
The bipartisan Financing Our Futures Act, which expands certain financing tools to all types of energy resources and infrastructure projects, was reintroduced to the U.S. Senate on February 20 by Sens. Jerry Moran (R., Kan.) and Chris Coons (D., Del.).
Via amendment to the Internal Revenue Code, the legislation would allow advanced nuclear energy projects to form as master limited partnerships (MLPs), a tax structure currently available only to traditional energy projects.
An MLP is a business structure that is taxed as a partnership but the ownership interests of which are traded like corporate stock on a market. Until the Internal Revenue Code is amended, MLPs will continue to be available only to investors in energy portfolios for oil, natural gas, coal extraction, and pipeline projects that derive at least 90 percent of their income from these sources. This change would take effect on January 1, 2026.
N. Saba, R. T. Lahey, Jr., J. C. Corelli
Nuclear Technology | Volume 48 | Number 1 | April 1980 | Pages 5-15
Technical Paper | Reactor | doi.org/10.13182/NT80-A32443
Articles are hosted by Taylor and Francis Online.
An instrument has been developed to continuously measure the steam content in flowing steam/air mixtures. This instrument is nonintrusive and thus can be used in existing and proposed future experimental facilities in such a way as to not affect the flow field. The instrument detects the steam content by measuring the differential attenuation of infrared radiation passing through the flowing fluid. A small steam/air test facility has been designed and constructed and was used to calibrate this instrument. Experiments have indicated an instrument accuracy of ±5% in the measurement of steam/air fraction. This is particularly impressive considering the small (1.9-cm) steam/air attenuation path utilized.
