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Conference Spotlight
2026 Annual Conference
May 31–June 3, 2026
Denver, CO|Sheraton Denver
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
December 2025
Nuclear Technology
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November 2025
Latest News
Atomic museum benefits from L&A donation
Longenecker & Associates has announced a $500,000 pledge from John and Bonnie Longenecker to the National Atomic Testing Museum in Las Vegas, Nev. The contribution will strengthen the museum’s missions to inform the public about America’s national security legacy and current programs and to inspire students, educators, and young professionals pursuing careers in science, technology, engineering, and mathematics.
Technical Session|Panel|Sponsored by THD
Monday, June 17, 2024|1:00–2:45PM PDT|Jasmine C
Session Chair:
Izabela Gutowska (OSU)
Session Organizer:
Alternate Chair:
Robert Kile (INL)
Accurate modelling and simulation tools for thermal hydraulic calculations are a key element needed to efficiently develop and deploy new advanced reactors including HTGRs. Uncertainties in modelling and simulation can have significant safety and economic implications. Well defined benchmark problems are an efficient means to quantify accuracy and identify sources of uncertainties in thermal hydraulic calculations. This panel discusses how data measured at HTTF can be leveraged and is used in the OECD HTTF TH benchmark. Experts from industry, DOE and academia will discuss the value of measured data and associated benchmarks to validate simulation codes.
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