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Conference Spotlight
2026 ANS Annual Conference
May 31–June 3, 2026
Denver, CO|Sheraton Denver
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DTRA’s advancements in nuclear and radiological detection
A new, more complex nuclear age has begun. Echoing the tensions of the Cold War amid rapidly evolving nuclear and radiological threats, preparedness in the modern age is a contest of scientific innovation. The Research and Development Directorate (RD) at the Defense Threat Reduction Agency (DTRA) is charged with winning this contest.
Technical Session|Thermal Hydraulics
Saturday, April 18, 2026|10:45–11:45AM CDT|RUDR 410
Session Chair:
Axel Batres (TAMU)
Alternate Chair:
Zach Lassater
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Investigation of Reynolds Number Impact on Twisted Tape Inserts using Large Eddy Simulations
10:45–11:05AM CDT
Gavin Standish (Virginia Commonwealth Univ.), Sierra Tutwiler (Virginia Commonwealth Univ.), Lane B. Carasik (Virginia Commonwealth Univ.)
Paper
Uncertainty from Constant-fluid-properties Approximation in the Homogenous Equilibrium Model
11:05–11:25AM CDT
Sami M. AlZahrani (Ohio State), Taiyang Zhang (Ohio State)
Laminar to Turbulent Transition in Hexagonal Rod Bundles
11:25–11:45AM CDT
Dade R. George (Penn State), Luiz C. Aldeia Machado (Penn State), Carolina da Silva Bourdot Dutra (Penn State), Elia Merzari (Penn State)
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