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Division members promote the advancement of mathematical and computational methods for solving problems arising in all disciplines encompassed by the Society. They place particular emphasis on numerical techniques for efficient computer applications to aid in the dissemination, integration, and proper use of computer codes, including preparation of computational benchmark and development of standards for computing practices, and to encourage the development on new computer codes and broaden their use.
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ANS Student Conference 2025
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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.”
Y. L. Sandler, R. H. Kunig
Nuclear Science and Engineering | Volume 77 | Number 2 | February 1981 | Pages 211-218
Technical Paper | doi.org/10.13182/NSE81-A21354
Articles are hosted by Taylor and Francis Online.
The solubility of iron and nickel from a nonstoichiometric nickel ferrite in a hydrogen-containing aqueous solution of 0.2 M boric acid was determined in a flow system between 330°C (626°F) and room temperature. The data are relevant to the dissolution and precipitation of corrosion products from the primary coolant system surfaces in pressurized water reactors during operation and cooldown. Solubility maxima of 4.2 ppm iron and 1.0 ppm nickel were obtained at 80°C (175°F). The results are shown to be consistent with published data for iron from magnetite in hydrochloric acid at the same pH between 330 and 120°C, but to be lower by a factor of 106 at room temperature. The low solubility in the low-temperature region suggests that a quasi-equilibrium can be established with a borated surface that passivates the ferrite substrate.
