Estimate of the reactivity of the VENUS-F subcritical configuration using a Monte Carlo MSM method

Lecouey, J.L.; Marie, N.; Ban, G.; Bianchini, G.; Billebaud, A.; Carta, M.; Chabod, S.; Fabrizio, V.; Kochetkov, A.; Lecolley, F.R.; Lehaut, G.; Mellier, F.; Thyébault, H.E.; Uyttenhove, W.; Grieken, C. Van; Vittiglio, G.

doi:10.1016/j.anucene.2015.04.010

Cited by 16 publications

(5 citation statements)

References 4 publications

(4 reference statements)

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“…For measurements of reactivity effects, either the compensation method [29] or the MSM method [30] are used. Both require the application of the delayed neutron parameters.…”

Section: Methodsmentioning

confidence: 99%

Impact of delayed neutron constants on reactivity effects measured in a fast reactor

et al. 2019

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Delayed neutron parameters of fast VENUS-F reactor core configurations are determined with Monte Carlo calculations using various nuclear data libraries. Differences in the calculated effective delayed neutron fraction and the impact of the delayed neutron data (6-or 8-group precursors) that are applied in the experimental data analysis on the measured reactivity effects are studied. Considerable differences are found due to application of 235 U and 238 U delayed neutron data from JEFF, JENDL and ENDF evaluations. 4 30

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“…For measurements of reactivity effects, either the compensation method [29] or the MSM method [30] are used. Both require the application of the delayed neutron parameters.…”

Section: Methodsmentioning

confidence: 99%

Impact of delayed neutron constants on reactivity effects measured in a fast reactor

et al. 2019

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“…The ADS experimental facilities are being prepared for the investigations of nuclear transmutation of MA and LLFP, as are the Transmutation Experimental Facility (TEF) [6] at the Japan Atomic Energy Agency and the Multi-purpose Hybrid Research Reactor for High-tech Applications (MYRRHA) [7] at SCK/CEN in Belgium. Research activities on ADS involved mainly the experimental feasibility study using critical assemblies and test facilities: MASURCA in France [8][9][10], YALINA-booster and-thermal in Belarus [11][12][13], VENUS-F in Belgium [14][15][16][17], and KUCA in Japan . At these facilities, feasibility studies on ADS have been conducted by combining a reactor core (fast or thermal core) with an external neutron source by the D-T accelerator (14 MeV neutrons) or 100 MeV proton accelerator (KUCA only), through experimental and numerical analyses of reactor physics parameters, including statics parameters: reaction rates, neutron spectrum, and subcritical multiplication factor; kinetics parameters: subcriticality, prompt neutron decay constant, effective delayed neutron fraction, and neutron generation time.…”

Section: Overview Of Research and Developmentmentioning

confidence: 99%

Introduction

Pyeon

2021

Accelerator-Driven System at Kyoto University Critical Assembly

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At the Kyoto University Critical Assembly (KUCA), the accelerator-driven system (ADS) is composed of a solid-moderated and solid-reflected core (A-core) and a pulsed-neutron generator (14 MeV neutrons) or the fixed-filed alternating gradient (FFAG) accelerator (100 MeV protons). At KUCA, two external neutron sources, including 14 MeV neutrons and 100 MeV protons, are separately injected into the A-core, and employed for carrying out the ADS experiments. With the combined use of the A-core and two external neutron sources, basic and feasibility studies of ADS have been engaged in the examination of neutronics of ADS, through the measurements of statics and kinetics parameters of reactor physics, including subcritical multiplication factor, subcriticality, prompt neutron decay constant, effective delayed neutron fraction, neutron spectrum, and reaction rates.

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“…It was measured using MSM method and mentioned CR position corresponds to criticality point achieved in the critical core configuration [7,8]. For other CR positions the reference values were obtained using MCNP simulation code to calculate reactivity difference to the reference point.…”

Section: The Sjöstrand Methodsmentioning

confidence: 99%

Spatial corrections for reactivity measurement in lead accelerator driven system

Gajda

Orliński

2017

E3S Web Conf.

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Abstract.One of the key areas of the development of Accelerator Driven Systems (ADS) are reactivity monitoring techniques. Since the measurement in the future industrial reactor have to be made in the real time applied methods should be accurate, simple and robust. Therefore methods based on point kinetic model are considered. Necessary experimental validation of selected methods was carried out within research project FP7 FREYA using VENUS-F reactor. This paper presents results obtained using the Sjöstrand method and the source multiplication method. Since ADS core behaviour differs from the point kinetics obtained reactivity value depends on the detector position in the system. From the results it is clear that measurement results strongly depend on the position of the detector in the system. For the Sjöstrand method these spatial effects can be successfully corrected using MCNP-calculated correction factors. Those correction factors do not change within the range of reactivity changes covered in the experiments. Spatial effects affecting source multiplication method are more complex and they depend also on neutron flux distribution in the core.

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Estimate of the reactivity of the VENUS-F subcritical configuration using a Monte Carlo MSM method

Cited by 16 publications

References 4 publications

Impact of delayed neutron constants on reactivity effects measured in a fast reactor

Impact of delayed neutron constants on reactivity effects measured in a fast reactor

Introduction

Spatial corrections for reactivity measurement in lead accelerator driven system

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