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Aerospace Nuclear Science & Technology
Organized to promote the advancement of knowledge in the use of nuclear science and technologies in the aerospace application. Specialized nuclear-based technologies and applications are needed to advance the state-of-the-art in aerospace design, engineering and operations to explore planetary bodies in our solar system and beyond, plus enhance the safety of air travel, especially high speed air travel. Areas of interest will include but are not limited to the creation of nuclear-based power and propulsion systems, multifunctional materials to protect humans and electronic components from atmospheric, space, and nuclear power system radiation, human factor strategies for the safety and reliable operation of nuclear power and propulsion plants by non-specialized personnel and more.
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2024 ANS Annual Conference
June 16–19, 2024
Las Vegas, NV|Mandalay Bay Resort and Casino
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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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BWXT announces nuclear manufacturing plant expansion
BWX Technologies announced today plans to expand and add advanced manufacturing equipment to its manufacturing plant in Cambridge, Ontario, Canada.
A $36.3 million USD ($50M CAD) expansion will increase the plant’s size by 25 percent–to 280,000 square feet; and another $21.7 million USD ($30M CAD) will be spent on new equipment to increase and accelerate its output of large nuclear components. The investment will increase capacity and create more than 200 long-term jobs for skilled workers, engineers, and support staff, according to the company.
L. Patryl, D. Galeriu, P. Armand
Fusion Science and Technology | Volume 60 | Number 4 | November 2011 | Pages 1228-1231
Environmental and Organically Bound Tritium | Proceedings of the Ninth International Conference on Tritium Science and Technology (Part 2) | doi.org/10.13182/FST11-A12652
Articles are hosted by Taylor and Francis Online.
Precipitation scavenging coefficients, such as the HTO washout rate, are often derived from raindrop intensity and average velocity of drop. In this study, several Drop Size Distribution (DSD) functions based on experimental data are compared to calculate HTO concentration, by using Chamberlain equation, then the washout rate. Variability of Gamma, Lognormal and Marshall-Palmer distributions on the rain concentrations and washout rates are estimated. The fall velocities of drops are computed for every DSD with Kessler, Andronache, Seinfield and Loosmore and empirical formula used in the CEA code called CERES which is the CEA reference computational tool for impact assessment. Results show that the HTO concentration in drops and the scavenging coefficient depends very closely on rain characteristics. More than the choice of velocity drop calculations, which represent an uncertainty less than 20%, the choice of the distribution is important and depends on the rain observed. Certain assumptions can lead to uncertainty about a factor 2 to 3 on HTO concentration in rain and on the washout rate.