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Division Spotlight
Young Members Group
The Young Members Group works to encourage and enable all young professional members to be actively involved in the efforts and endeavors of the Society at all levels (Professional Divisions, ANS Governance, Local Sections, etc.) as they transition from the role of a student to the role of a professional. It sponsors non-technical workshops and meetings that provide professional development and networking opportunities for young professionals, collaborates with other Divisions and Groups in developing technical and non-technical content for topical and national meetings, encourages its members to participate in the activities of the Groups and Divisions that are closely related to their professional interests as well as in their local sections, introduces young members to the rules and governance structure of the Society, and nominates young professionals for awards and leadership opportunities available to members.
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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Latest News
First astatine-labeled compound shipped in the U.S.
The Department of Energy’s National Isotope Development Center (NIDC) on March 31 announced the successful long-distance shipment in the United States of a biologically active compound labeled with the medical radioisotope astatine-211 (At-211). Because previous shipments have included only the “bare” isotope, the NIDC has described the development as “unleashing medical innovation.”
Raciel de la Torre Valdés, Juan Luis François (Univ of Mexico), Pedro Morales, Lázaro García (Higher Inst of Technology and Applied Sciences)
Proceedings | Advances in Thermal Hydraulics 2018 | Orlando, FL, November 11-15, 2018 | Pages 1066-1079
Intermediate heat exchangers are one of the most critical devices in the safety of facilities with very high temperature nuclear reactors. In this application, the printed circuit heat exchanger (PCHE) design has shown the greatest advantages in terms of heat transfer, compactness and structural strength. In this work, a thermal-hydraulic model of the zigzag channels PCHE was developed using computational fluid dynamics (CFD) techniques. The Nusselt number and the Fanning friction factor obtained from the CFD model was validated by comparison with correlations published by other authors and found by experimental data. Four geometric parameters of zigzag channels such as: zigzag length, zigzag angle, zigzag radius and zigzag phase-shift were chosen to optimize the PCHE design. With this in view, the model was set up with three channels for each cold and hot fluid, achieving a good accuracy. To consider the interaction among parameters with a reduced computing time, the Taguchi method was used to reduce the quantity of analyzed geometric designs. The zigzag angle was found like the most important geometric parameter in the thermal-hydraulic performance of the PCHE. The maximum value of the Nusselt number had the maximum value of zigzag angle and the minimum friction factor had the minimum value of zigzag angle. This is caused by the increment of the real length of the channels and the appearance of reverse flow zones for higher angles.