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
Fusion Energy
This division promotes the development and timely introduction of fusion energy as a sustainable energy source with favorable economic, environmental, and safety attributes. The division cooperates with other organizations on common issues of multidisciplinary fusion science and technology, conducts professional meetings, and disseminates technical information in support of these goals. Members focus on the assessment and resolution of critical developmental issues for practical fusion energy applications.
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!
Latest Magazine Issues
Apr 2025
Jan 2025
Latest Journal Issues
Nuclear Science and Engineering
May 2025
Nuclear Technology
April 2025
Fusion Science and Technology
Latest News
Norway’s Halden reactor takes first step toward decommissioning
The government of Norway has granted the transfer of the Halden research reactor from the Institute for Energy Technology (IFE) to the state agency Norwegian Nuclear Decommissioning (NND). The 25-MWt Halden boiling water reactor operated from 1958 to 2018 and was used in the research of nuclear fuel, reactor internals, plant procedures and monitoring, and human factors.
Kenichi Kurihara
Fusion Science and Technology | Volume 34 | Number 3 | November 1998 | Pages 548-552
Plasma Engineering (Poster Session) | doi.org/10.13182/FST98-A11963670
Articles are hosted by Taylor and Francis Online.
Current profile reproduction has been considered one of the key issues for control and evaluation of a tokamak plasma. Although magnetic measurements exterior to a plasma provide the most reliable data necessary for profile reproduction, the reproducibility from the magnetic measurements is unclear, and the regularization against numerical ill posedness improperly restricts reproducible profiles. To solve the inverse problem, at first, a new method is proposed for the current profile reproduction using a function expansion. Second, with the eigenfunctions in this method, a reproducibility check is analytically formulated. Finally, a new constraint for the plasma interior is derived from the MHD equilibrium equation. In the next step, this constraint must be included to enable reliable reproduction of current profile.
