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- W4254754328 abstract "Heat flow calorimeters are used at the Savannah River Site to assay radioactive sources by measuring the emitted thermal power. The radioactive source is placed in a constant temperature environment and its thermal output is measured by non-destructive assay techniques. The isotopic mass is computed from the measured power through known watts/gram constants for each of the isotopes. The Equipment Engineering Section of the Savannah River Laboratory has developed calorimetric techniques which provide major improvements over other calorimeters. Improvements are in the areas of greater precision, reduced maintenance, and thermal control without using water. The elimination of water reduces criticality concerns during assay of fissionable materials and reduces health concerns during assay of tritium. Equipment Engineering Section has developed two basic dry calorimeter designs. The designs are identical in concept; however, they differ to accommodate different power levels. Each design has been tested demonstrating proof of concept. The current designs are for low wattage samples, .1 to 10 watts, and high wattage samples, 40 to 140 watts." @default.
- W4254754328 created "2022-05-12" @default.
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- W4254754328 date "1992-01-01" @default.
- W4254754328 modified "2023-09-27" @default.
- W4254754328 title "Dry calorimetry at the Savannah River Site" @default.
- W4254754328 doi "https://doi.org/10.2172/5322406" @default.
- W4254754328 hasPublicationYear "1992" @default.
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