Thulium oxide fuel characterization study (thulium-170 fueled capsule parametric design)
Thulium oxide fuel characterization study (thulium-170 fueled capsule parametric design)
A doubly encapsulated thulia wafer, i.e., individually lined wafers stacked one upon another inside a fuel capsule was studied. The temperature profiles were determined for thulia power densities ranging from 8 to 24 W/cc and fuel capsule surface temperatures ranging from 1000/sup 0/F (538/sup 0/C) to 2000/sup 0/F (1093/sup 0/C). Parametric studies were also carried out on a singly encapsulated configuration in which the thulia wafers were stacked face to face in an infinitely long, lined cylinder. The doubly encapsulated wafer configuration yielded a lower centerline temperature than the singly encapsulated capsule. Only in extreme cases of a large wafer diameter in combination with a high thulia power density did the fuel capsule centerline temperature exceed the thulia melt temperature of 4172/sup 0/F (2300/sup 0/C). Results are also given for the maximum radius attainable without having centerline melting when using a thulia microsphere fuel form.
- University of North Texas United States
Radioisotope Heat Sources, Beta Decay Radioisotopes, Temperature Gradients, Capsules, Odd-Odd Nuclei, 530, Containers, Beta-Minus Decay Radioisotopes, Nesdps Office Of Nuclear Energy Space And Defense Power Systems, Isotopes, Thulium Isotopes Nesdps Office Of Nuclear Energy Space And Defense Power Systems 070300* -- Isotopic Power Supplies, Electron Capture Radioisotopes, Intermediate Mass Nuclei, Radioisotopes, Rare Earth Isotopes, Thulium Oxides, Rare Earth Compounds, Heat Sources, Oxides, Nuclei, Rare Earth Nuclei, Thulium Compounds, Thulium 170, Encapsulation, Oxygen Compounds, 07 Isotopes And Radiation Sources, Chalcogenides
Radioisotope Heat Sources, Beta Decay Radioisotopes, Temperature Gradients, Capsules, Odd-Odd Nuclei, 530, Containers, Beta-Minus Decay Radioisotopes, Nesdps Office Of Nuclear Energy Space And Defense Power Systems, Isotopes, Thulium Isotopes Nesdps Office Of Nuclear Energy Space And Defense Power Systems 070300* -- Isotopic Power Supplies, Electron Capture Radioisotopes, Intermediate Mass Nuclei, Radioisotopes, Rare Earth Isotopes, Thulium Oxides, Rare Earth Compounds, Heat Sources, Oxides, Nuclei, Rare Earth Nuclei, Thulium Compounds, Thulium 170, Encapsulation, Oxygen Compounds, 07 Isotopes And Radiation Sources, Chalcogenides
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