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Division Spotlight
Reactor Physics
The division's objectives are to promote the advancement of knowledge and understanding of the fundamental physical phenomena characterizing nuclear reactors and other nuclear systems. The division encourages research and disseminates information through meetings and publications. Areas of technical interest include nuclear data, particle interactions and transport, reactor and nuclear systems analysis, methods, design, validation and operating experience and standards. The Wigner Award heads the awards program.
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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General Kenneth Nichols and the Manhattan Project
Nichols
The Oak Ridger has published the latest in a series of articles about General Kenneth D. Nichols, the Manhattan Project, and the 1954 Atomic Energy Act. The series has been produced by Nichols’ grandniece Barbara Rogers Scollin and Oak Ridge (Tenn.) city historian David Ray Smith. Gen. Nichols (1907–2000) was the district engineer for the Manhattan Engineer District during the Manhattan Project.
As Smith and Scollin explain, Nichols “had supervision of the research and development connected with, and the design, construction, and operation of, all plants required to produce plutonium-239 and uranium-235, including the construction of the towns of Oak Ridge, Tennessee, and Richland, Washington. The responsibility of his position was massive as he oversaw a workforce of both military and civilian personnel of approximately 125,000; his Oak Ridge office became the center of the wartime atomic energy’s activities.”
Technical Session|Fundamental Thermal Hydraulics
Monday, August 21, 2023|1:30–3:10PM EDT|Columbia 2
Session Chair:
Philippe Planquart
Alternate Chair:
Antonio Cammi
Session Organizer:
Philippe M. Bardet
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A Comprehensive Measurement of Bubbly Flow in a 30 mm x 10 mm Rectangular Channel
1:30–1:50PM EDT
Dewei Wang (Virginia Tech), Yucheng Fu (Virginia Tech), Hanxing Sun (Virginia Tech), Yang Liu (Virginia Tech), Qingqing Liu (Univ. Michigan), Yang Liu (Univ. Michigan), Xiaodong Sun (Univ. Michigan), Ted Worosz (Naval Nuclear Laboratory), John Buchanan (Naval Nuclear Laboratory)
Paper
A 3-D Imaging System for Bubbly Flow Measurement
1:50–2:10PM EDT
Yucheng Fu (Virginia Tech), Dewei Wang (Virginia Tech), Yang Liu (Virginia Tech), Xiaodong Sun (Univ. Michigan), Ted Worosz (Naval Nuclear Laboratory), John Buchanan (Naval Nuclear Laboratory)
Experimental Study of Air-Water Two-Phase Flow Threshold Velocities in a Vertical Annular Channel
2:10–2:30PM EDT
A. Biton (Nuclear Research Center Negev), E. Rabinovich (Nuclear Research Center Negev), E. Gilad (Ben Gurion Univ. Negev)
Experimental Study and CFD Simulation of Air-Water Bubbly Flow in a Rectangular Channel
2:30–2:50PM EDT
Qingqing Liu (Univ. Michigan), Yang Liu (Univ. Michigan), Xiaodong Sun (Univ. Michigan), Dewei Wang (Virginia Tech), Yang Liu (Virginia Tech), John R. Buchanan (Naval Nuclear Laboratory), Ted Worosz (Naval Nuclear Laboratory)
One-Dimensional Drift Flux Analysis of Bubbly Flows in Horizontal and Inclined-Upward Orientations
2:50–3:10PM EDT
Drew Ryan (Purdue), Seungjin Kim (Purdue)
Presented by Adam Dix (Purdue)
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