Calculation of HTR-10 First Criticality with MVP
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摘要: 使用MVP程序对10 MW球床式高温气冷堆(HTR-10)的首次临界进行计算。计算中根据HTR-10的特点,应用MVP程序的统计几何模型来描述燃料颗粒在燃料球内的随机分布以及燃料球和石墨球在堆芯内的随机混合分布。使用JENDL-3.3数据库时,MVP程序的结果与VSOP程序和MCNP程序相比差别稍大,而使用ENDF/B-Ⅵ.8数据库时结果则非常接近。与首次临界实验结果相比,相对误差均小于0.7%。结果表明,MVP程序可以用于球床式高温气冷堆的堆芯物理计算。Abstract: The first criticality of 10 MW pebble-bed high temperature gas-cooled reactor-test module（HTR-10） was calculated with MVP. According to the characteristics of HTR-10, the Statistical Geometry Model of MVP was employed to describe the random arrangement of coated fuel particles in the fuel pebbles and the random distribution of the fuel and dummy pebbles in the core. Compared with previous results from VSOP and MCNP, the MVP results with JENDL-3.3 library were little more different, but the results with ENDF/B-Ⅵ.8 library were very close. The relative errors were less than 0.7%, compared with the first criticality experimental results. The study shows that MVP could be used in the physics calculations for pebble bed high temperature gas-cooled reactors.
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Key words:
- HTR-10 /
- First criticality /
- MVP code /
- Statistical geometry model
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