Sodium void reactivity worth calculations for fast critical assemblies without whole-lattice homogenization

Chiba, Go; Shimazu, Yoichiro*

We propose new procedure to calculate SVRW of critical assemblies without whole-lattice homogenization in order to avoid errors associated with lattice homogenization. A validity of discrete ordinates transport calculations for lattice-heterogeneous critical assemblies is confirmed through benchmark calculations. With the numerical method without lattice homogenization and nuclear data JENDL-3.3, numerical solutions agree with the experimental data within 3 of the experimental uncertainties.

Language	:	English
Journal	:	Journal of Nuclear Science and Technology
Volume	:	44
Number	:	12
Pages	:	p.1526 - 1535
Publication Year/Month	:	2007/12
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Paper URL	:	https://doi.org/10.3327/jnst.44.1526
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Keywords	:	no keyword
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InCites™	:	Percentile:42.5 Category:Nuclear Science & Technology
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Registration No. : AA20070068
JAEA Abstracts No. : 36000306
Paper Submission No. : 3633

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