About ANS
- ANS is committed to advancing, fostering, and promoting the development and application of nuclear sciences and technologies to benefit society.
About Nuclear
- Explore the many uses for nuclear science and its impact on energy, the environment, healthcare, food, and more.
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- Division Spotlight
  Thermal Hydraulics
  The division provides a forum for focused technical dialogue on thermal hydraulic technology in the nuclear industry. Specifically, this will include heat transfer and fluid mechanics involved in the utilization of nuclear energy. It is intended to attract the highest quality of theoretical and experimental work to ANS, including research on basic phenomena and application to nuclear system design.
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  ANS Student Conference 2025
  April 3–5, 2025
  Albuquerque, NM|The University of New Mexico
Standards
- 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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  Apr 2025
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  May 2025
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  April 2025
- Latest News
  Discovering, Making, and Testing New Materials: SRNL’s Center For Hierarchical Waste Form Materials
  Savannah River National Laboratory researchers are building on the laboratory’s legacy of using cutting-edge science to effectively immobilize nuclear waste in innovative ways. As part of the Center for Hierarchical Waste Form Materials, SRNL is leveraging its depth of experience in radiological waste management to explore new frontiers in the industry.
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Instability at the Interface Between Hot/Cold Fluids in the Density Lock Using Numerical Analysis for Inherently Safe Reactor

Ju Hun Jung (Ulsan Nat'l Institute Science and Technology), Ji Yong Kim (Ulsan Nat'l Institute Science and Technology), In Cheol Bang (Ulsan Nat'l Institute Science and Technology)

Proceedings | 20th International Topical Meeting on Nuclear Reactor Thermal Hydraulics (NURETH-20) | Washington, D.C., August 20-25, 2023 | Pages 6077-6089