The neutronic design of a critical lead reflected zero-power reference core for on-line subcriticality measurements in Accelerator Driven Systems

Uyttenhove, W.; Baeten, P.; Eynde, Gert Van den; Kochetkov, A.; Lathouwers, D.; Carta, M.

doi:10.1016/j.anucene.2011.03.012

Cited by 36 publications

(18 citation statements)

References 9 publications

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“…Several neutronic experiments for ADS have been performed in both Europe (Soule et al, 2004;Uyttenhove et al, 2011) and Japan. In Japanese case, subcritical experiments were performed at the Fast Critical Assembly (FCA) in JAEA/Tokai with a 252 Cf neutron source and a DT neutron source.…”

Section: Outline Of Tef-pmentioning

confidence: 99%

Design of J-PARC Transmutation Experimental Facility

Sasa

2015

Progress in Nuclear Energy

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a b s t r a c tAfter the Fukushima accident, nuclear transmutation got much interested as an effective option of nuclear waste management. Japan Atomic Energy Agency (JAEA) proposes the transmutation of minor actinides by accelerator-driven system (ADS) using leadebismuth eutectic alloy (PbeBi) as a spallation target and a coolant of subcritical core. Current design of ADS has 800 MW th of rated power, which is driven by 20 MW proton LINAC, to transmute minor actinides generated from 10 units of standard Light Water Reactors. To obtain the data required for ADS design, JAEA plans to build a Transmutation Experimental Facility (TEF) in J-PARC. TEF consists of two buildings, one is an ADS target test facility (TEF-T), which will be installed PbeBi spallation target, and the other is Transmutation Physics Experimental Facility (TEF-P), which set up a fast critical/subcritical assembly. TEF will be located at the end of 400 MeV LINAC of J-PARC and accepts 250 kW proton beam. The paper describes an outline of TEF and design of spallation target.

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Section: Outline Of Tef-pmentioning

confidence: 99%

Design of J-PARC Transmutation Experimental Facility

Sasa

2015

Progress in Nuclear Energy

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“…Because a detailed description of the configuration is given in Refs [7,8], only a brief explanation is provided here. The reactor core contains 30 wt% enriched uranium and cylindrical-structured lead reflector, and consists of a 12×12 grid filled with fuel and lead assemblies, control rods, and safety rods.…”

Section: The Venus-f Critical Core and Geometric Modelingmentioning

confidence: 99%

Sensitivity and Uncertainty Analysis of the VENUS-F Critical Core

2015

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A sensitivity and uncertainty analysis was performed for a critical configuration at the VENUS-F facility using three major nuclear data libraries (JENDL-4.0, ENDF/B-VII.1, and JEFF-3.1.2) and the JENDL-4.0 covariance data. Differences in k eff between the nuclear data libraries are shown to be smaller than those between the geometric models/calculation methodologies. Both the diffusion and transport methodologies in the criticality calculation provide similar results for the differences in k eff between JENDL-4.0 and ENDF/B-VII.1 (∼450 pcm) and between JENDL-4.0 and JEFF-3.1.2 (∼270 pcm). Major contributors to these differences are identified along with sensitivity coefficients. Among nuclear data parameters, the k eff of the VENUS-F core is sensitive to the fission cross section, fission neutron multiplicity, and capture cross section of uranium as well as the elastic scattering parameters of lead and 56 Fe. It was found that these parameters have a considerable impact on the differences in k eff . However, their positive and negative elements cancel each other out, thereby resulting in a relatively small difference. Based on the JENDL-4.0 covariance data, the total uncertainty induced by the nuclear data is evaluated to exhibit a 0.833% δk/k (1σ).

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“…Several neutronic experiments for ADS have been performed in both Europe [6,7] and Japan. In Japan, subcritical experiments with fast neutron spectrum core were performed at the Fast Critical Assembly (FCA) in JAEA/Tokai, and subcritical experiments with thermal subcritical core driven by 100 MeV protons are performed at Kyoto University Research Reactor Institute.…”

Section: Outline Of Tef-pmentioning

confidence: 99%

Design of J-PARC Transmutation Experimental Facility

Sasa

2014

Nuclear Back-End and Transmutation Technology for Waste Disposal

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The impact of different spallation models implemented in the particle transport code PHITS on the shielding design of Transmutation Experimental Facility is investigated. For 400-MeV proton incident on a lead-bismuth eutectic target, an effective dose rate at the end of a thick radiation shield (3-m-thick iron and 3-m-thick concrete) calculated by the Liège intranuclear cascade (INC) model version 4.6 (INCL4.6) coupled with the GEM code (INCL4.6/GEM) yields about twice as high as the Bertini INC model (Bertini/GEM). A comparison with experimental data for 500-MeV proton incident on a thick lead target suggest that the prediction accuracy of INCL4.6/GEM would be better than that of Bertini/GEM. In contrast, it is found that the dose rates in beam ducts in front of targets calculated by the INCL4.6/GEM are lower than those by the Bertini/GEM. Since both models underestimate the experimental results for neutron-production double-differential cross sections at 180 • for 140-MeV proton incident on carbon, iron, and gold targets, it is concluded that it is necessary to allow a margin for uncertainty caused by the spallation models, which is a factor of two, in estimating the dose rate induced by neutron streaming through a beam duct.

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The neutronic design of a critical lead reflected zero-power reference core for on-line subcriticality measurements in Accelerator Driven Systems

Cited by 36 publications

References 9 publications

Design of J-PARC Transmutation Experimental Facility

Design of J-PARC Transmutation Experimental Facility

Sensitivity and Uncertainty Analysis of the VENUS-F Critical Core

Design of J-PARC Transmutation Experimental Facility

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