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.
Division Spotlight
Aerospace Nuclear Science & Technology
Organized to promote the advancement of knowledge in the use of nuclear science and technologies in the aerospace application. Specialized nuclear-based technologies and applications are needed to advance the state-of-the-art in aerospace design, engineering and operations to explore planetary bodies in our solar system and beyond, plus enhance the safety of air travel, especially high speed air travel. Areas of interest will include but are not limited to the creation of nuclear-based power and propulsion systems, multifunctional materials to protect humans and electronic components from atmospheric, space, and nuclear power system radiation, human factor strategies for the safety and reliable operation of nuclear power and propulsion plants by non-specialized personnel and more.
Meeting Spotlight
Utility Working Conference and Vendor Technology Expo (UWC 2024)
August 4–7, 2024
Marco Island, FL|JW Marriott Marco Island
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
Jul 2024
Jan 2024
Latest Journal Issues
Nuclear Science and Engineering
September 2024
Nuclear Technology
August 2024
Fusion Science and Technology
Latest News
Construction begins on Kairos’s fluoride salt–cooled test reactor
Earlier today, on a site in Oak Ridge, Tenn., that was formerly home to the K-33 Gaseous Diffusion Plant, Kairos Power marked the start of construction on its low-power demonstration reactor. Named Hermes, the 35-MWt test reactor claims status as the first Gen IV reactor to be approved for construction by the Nuclear Regulatory Commission and the first non–light water reactor to be permitted in the United States in more than 50 years.
T. Hayashi, T. Suzuki, W. M. Shu, T. Yamanishi
Fusion Science and Technology | Volume 52 | Number 3 | October 2007 | Pages 706-710
Technical Paper | The Technology of Fusion Energy - Tritium, Safety, and Environment | doi.org/10.13182/FST07-A1573
Articles are hosted by Taylor and Francis Online.
In order to establish a proper control method of the DT fuel isotope balance in ITER, isotopic composition of hydrogen, which was released rapidly from the metal hydride bed by vacuum pump, was investigated using a ZrCo bed (1/10 scale of ITER fuel storage & delivery system) as functions of initially stored H/D ratio and temperature. The equilibrium pressure (P) of hydrogen - metal system has large isotope effect such as PH2 < PD2 < PT2 for ZrCo, however, the difference of H,D isotope fractions was within about 5%, during rapid delivery of about 90% hydrogen gases at 623 K and initial H:D of 1:1. In cases of initial H:D of 9:1 or 1:9, the differences of H,D isotope fractions were rather small of a few %. Even if the fluctuation of the isotope ratio is less than 5%, depending on the requirements from plasma physics experiments and fuel accountancy of tritium plant, batch fuel delivery from adequate gas tanks after isotope composition adjustment will be preferable to direct rapid delivery from storage bed.