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<p>This study aims to determine the thermophysical properties of industrial uranium-gadolinium oxide fuel pellets containing 3.35, 5, and 8 wt % Gd<sub>2</sub>O<sub>3</sub> in order to evaluate the performance and safety of VVER-type reactor fuels. The obtained experimental data included thermal expansion, specific heat capacity at constant pressure, and thermal diffusivity. In addition, the temperature dependence of thermal conductivity was calculated up to 1900 K for fuels with varying Gd<sub>2</sub>O<sub>3</sub> content. Figures:&#xa0;5; Tables:&#xa0;6; References:&#xa0;12.</p>

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Thermophysical properties of VVER uranium-gadolinium fuel pellets with 3.35, 5, and 8 wt % gadolinium oxide

  • 期刊论文

  • 发表日期：

    2025年3月1日

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  • A. V. Fedotov,
  • E. N. Mikheev,
  • M. A. Lutkov

摘要

This study aims to determine the thermophysical properties of industrial uranium-gadolinium oxide fuel pellets containing 3.35, 5, and 8 wt % Gd2O3 in order to evaluate the performance and safety of VVER-type reactor fuels. The obtained experimental data included thermal expansion, specific heat capacity at constant pressure, and thermal diffusivity. In addition, the temperature dependence of thermal conductivity was calculated up to 1900 K for fuels with varying Gd2O3 content. Figures: 5; Tables: 6; References: 12.