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Isotopes & Radiation
Members are devoted to applying nuclear science and engineering technologies involving isotopes, radiation applications, and associated equipment in scientific research, development, and industrial processes. Their interests lie primarily in education, industrial uses, biology, medicine, and health physics. Division committees include Analytical Applications of Isotopes and Radiation, Biology and Medicine, Radiation Applications, Radiation Sources and Detection, and Thermal Power Sources.
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Nuclear Science and Engineering
Fusion Science and Technology
Advanced reactors: Now comes the hard part
Designing a reactor is complicated but building one may be harder. Even companies that have had lots of practice haven’t always done it well. And all the power reactors in service today were built by companies that had years of experience in other kinds of big steam-electric power plants. In contrast, some of the creative new designs now moving toward commercialization come from start-ups that have never built anything at all. How should they prepare?
A. I. Nikitenko, S. M. Tolokonnikov
Fusion Science and Technology | Volume 51 | Number 4 | May 2007 | Pages 705-716
Technical Paper | dx.doi.org/10.13182/FST07-A1468
Articles are hosted by Taylor and Francis Online.
A method of ICF targets parameters reconstruction from the set of backlit shadowgraph images was developed. Proposed approach can be used for nondestructive inner (DT ice in the case of cryotarget) surface quality characterization of single- and double-layered targets and shells.Previously designed computer 3D ray-tracing model allowed us to carry out detailed investigation of the target shadowgraph image formation, to localize rays forming bright ring and to infer analytical description of this rays' group. Having been guided by this experience we designed an algorithm of inner surface shape determination using bright ring location on target's image and developed corresponding software package.This package provides a wide set of image processing tools: both general processing (pointwise operations, spatial filtering, maximums and edges localization, etc.) and specific methods (3D reconstruction, inner and outer surfaces RMS and power spectra estimation, results' visualization in different forms, etc).Proposed method and its software implementation were tested using two kinds of image sets - set of backlit photographs of real one-layered shells and set of digitally synthesized shadowgraph images.