Melting Temperature of Simulated High-Burnup Mixed Oxide Fuels for Fast Reactors
| Autor: | Koichi Konno, Takashi Hirosawa |
|---|---|
| Rok vydání: | 1999 |
| Předmět: | |
| Zdroj: | Journal of Nuclear Science and Technology. 36:596-604 |
| ISSN: | 1881-1248 0022-3131 |
| DOI: | 10.1080/18811248.1999.9726243 |
| Popis: | The melting (solidus) temperatures were measured for fuel simulating burnups of 50, 90, 130, 170, 210 and 250 GWd/t (SIMFUEL) which were added non-radioactive soluble fission products (FPs) to unirradiated fast reactor MOX fuel. The melting temperatures for fuels of 250 GWd/t which were blended non-radioactive soluble FPs and irradiated fuels of 110.6 and 119.0 GWd/t were also compared to the SIMFUEL of 250 GWd/t. The melting temperature decrease of the SIMFUEL tended to saturate with increasing burnup and the melting temperatures appeared virtually constant above 170 GWd/t. An equation for melting temperature was obtained from the proposed equation in the previous report by revising the coefficient of the fifth term: where is the expected melting temperature (K), X 1 the plutonium fraction (Pu/(Pu+U)), X 2 the americium fraction (Am/(Pu+U+Am)), and X 3 the burnup (GWd/t). After the temperature measurement, the radial distribution of eight FP oxide additives in SIMFUEL of 250 GWd/t was measured by X-ray m... |
| Databáze: | OpenAIRE |
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