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Explore the many uses for nuclear science and its impact on energy, the environment, healthcare, food, and more.
Division Spotlight
Radiation Protection & Shielding
The Radiation Protection and Shielding Division is developing and promoting radiation protection and shielding aspects of nuclear science and technology — including interaction of nuclear radiation with materials and biological systems, instruments and techniques for the measurement of nuclear radiation fields, and radiation shield design and evaluation.
Meeting Spotlight
Conference on Nuclear Training and Education: A Biennial International Forum (CONTE 2025)
February 3–6, 2025
Amelia Island, FL|Omni Amelia Island Resort
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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Nuclear Science and Engineering
February 2025
Nuclear Technology
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Latest News
Reboot: Nuclear needs a success . . . anywhere
The media have gleefully resurrected the language of a past nuclear renaissance. Beyond the hype and PR, many people in the nuclear community are taking a more measured view of conditions that could lead to new construction: data center demand, the proliferation of new reactor designs and start-ups, and the sudden ascendance of nuclear energy as the power source everyone wants—or wants to talk about.
Once built, large nuclear reactors can provide clean power for at least 80 years—outlasting 10 to 20 presidential administrations. Smaller reactors can provide heat and power outputs tailored to an end user’s needs. With all the new attention, are we any closer to getting past persistent supply chain and workforce issues and building these new plants? And what will the election of Donald Trump to a second term as president mean for nuclear?
As usual, there are more questions than answers, and most come down to money. Several developers are engaging with the Nuclear Regulatory Commission or have already applied for a license, certification, or permit. But designs without paying customers won’t get built. So where are the customers, and what will it take for them to commit?
Lutz W. Dahlke, Maurice Robkin
Nuclear Technology | Volume 12 | Number 4 | December 1971 | Pages 407-414
Technical Note | Analysis | doi.org/10.13182/NT71-A30992
Articles are hosted by Taylor and Francis Online.
A high-resolution neutron radiographic system has been developed at the University of Washington Nuclear Reactor to radiograph mixed oxide particle fuels. The method was tested without fuel using TiO2, Eu2O3, and RhO2 mixtures as analogs for the oxides of U, 239Pu, and 240Pu, respectively. These analogs have microscopic cross sections similar to the fuel isotopes. Two weight percent PuO2-UO2 fuel rod radiographic analogs were built containing PuO2 analog particle diameter distributions from 0 to 800 μm. These radiographic analogs were radiographed with resonant energy neutrons using the activation transfer neutron detection technique to examine both the homogeneity of the mixed oxide and the imaging of the various diameter PuO2 analog particles. A divergent neutron collimator was designed to successfully complete this study. Also, an experiment was performed to determine the contrast sensitivity of neutron radiography for the radiographic discrimination between the analog for 239PuO2 and the analog for 240PuO2.
