Search Results - "Pizzocri, D."
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SCIANTIX: A new open source multi-scale code for fission gas behaviour modelling designed for nuclear fuel performance codes
Published in Journal of nuclear materials (15-04-2020)“…Bridging lower length-scale calculations with the engineering-scale simulations of fuel performance codes requires the development of dedicated…”
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An investigation of FeCrAl cladding behavior under normal operating and loss of coolant conditions
Published in Journal of nuclear materials (01-08-2017)“…Iron-chromium-aluminum (FeCrAl) alloys are candidates to be used as nuclear fuel cladding for increased accident tolerance. An analysis of the response of…”
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Modeling high burnup structure in oxide fuels for application to fuel performance codes. part I: High burnup structure formation
Published in Journal of nuclear materials (01-10-2020)“…We propose a model describing the HBS formation and the progressive intra-granular xenon depletion in UO2. The HBS formation is modeled employing the…”
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Modeling intra-granular fission gas bubble evolution and coarsening in uranium dioxide during in-pile transients
Published in Journal of nuclear materials (01-09-2020)“…The description of intra-granular fission gas behavior during irradiation is a fundamental part of models used for the calculation of fission gas release and…”
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Modelling of thermal conductivity and melting behaviour of minor actinide-MOX fuels and assessment against experimental and molecular dynamics data
Published in Journal of nuclear materials (15-12-2021)“…•Modelling of thermal conductivity and melting temperature of minor actinide-MOX fuels.•Review of state-of-the-art data and correlations available in…”
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On the use of spectral algorithms for the prediction of short-lived volatile fission product release: Methodology for bounding numerical error
Published in Nuclear engineering and technology (01-04-2022)“…Recent developments on spectral diffusion algorithms, i.e., algorithms which exploit the projection of the solution on the eigenfunctions of the Laplacian…”
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A surrogate model for the helium production rate in fast reactor MOX fuels
Published in Nuclear engineering and technology (01-08-2023)“…Helium production in the nuclear fuel matrix during irradiation plays a critical role in the design and performance of Gen-IV reactor fuel, as it represents a…”
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Modelling and assessment of thermal conductivity and melting behaviour of MOX fuel for fast reactor applications
Published in Journal of nuclear materials (01-12-2020)“…•Derivation of original and comprehensive correlations for thermal conductivity and melting temperature of uranium-plutonium mixed oxide (MOX) nuclear…”
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Multiscale modeling of fission gas behavior in U3Si2 under LWR conditions
Published in Journal of nuclear materials (15-08-2019)“…In this work, we present a model of fission gas behavior in U3Si2 under light water reactor (LWR) conditions for application in engineering fuel performance…”
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Application of the SCIANTIX fission gas behaviour module to the integral pin performance in sodium fast reactor irradiation conditions
Published in Nuclear engineering and technology (01-07-2022)“…The sodium-cooled fast reactor is among the innovative nuclear technologies selected in the framework of the development of Generation IV concepts, allowing…”
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Extension and application of the TRANSURANUS code to the normal operating conditions of the MYRRHA reactor
Published in Nuclear engineering and design (01-01-2022)“…•Extension of the TRANSURANUS fuel performance code to the MYRRHA pin cladding material.•Creep and void swelling modelling of DIN1.4970.•Application of…”
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Analysis of transient fission gas behaviour in oxide fuel using BISON and TRANSURANUS
Published in Journal of nuclear materials (01-04-2017)“…The modelling of fission gas behaviour is a crucial aspect of nuclear fuel performance analysis in view of the related effects on the thermo-mechanical…”
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An effective numerical algorithm for intra-granular fission gas release during non-equilibrium trapping and resolution
Published in Journal of nuclear materials (01-10-2018)“…Fission gas release and gaseous swelling in nuclear fuel are driven by the transport of fission gas from within the fuel grains to grain boundaries…”
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On the intra-granular behaviour of a cocktail of inert gases in oxide nuclear fuel: Methodological recommendation for accelerated experimental investigation
Published in Nuclear engineering and technology (01-05-2022)“…Besides recent progresses in the physics-based modelling of fission gas and helium behaviour, the scarcity of experimental data concerning their combined…”
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Isotropic softening model for fuel cracking in BISON
Published in Nuclear engineering and design (01-02-2019)“…•Model to represent the effect of cracking as an isotropic softening of the material.•Computationally efficient means to account for fuel cracking in…”
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Towards grain-scale modelling of the release of radioactive fission gas from oxide fuel. Part II: Coupling SCIANTIX with TRANSURANUS
Published in Nuclear engineering and technology (01-12-2022)“…The behaviour of the fission gas plays an important role in the fuel rod performance. In a previous work, we presented a physics-based model describing intra-…”
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Physics-based modelling and validation of inter-granular helium behaviour in SCIANTIX
Published in Nuclear engineering and technology (01-07-2022)“…In this work, we propose a new mechanistic model for the treatment of helium behaviour at the grain boundaries in oxide nuclear fuel. The model provides a…”
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A reduced order model for fission gas diffusion in columnar grains
Published in Nuclear engineering and technology (01-11-2023)“…In fast reactors, restructuring of the fuel micro-structure driven by high temperature and high temperature gradient can cause the formation of columnar…”
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A model describing intra-granular fission gas behaviour in oxide fuel for advanced engineering tools
Published in Journal of nuclear materials (15-04-2018)“…The description of intra-granular fission gas behaviour is a fundamental part of any model for the prediction of fission gas release and swelling in nuclear…”
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Towards grain-scale modelling of the release of radioactive fission gas from oxide fuel. Part I: SCIANTIX
Published in Nuclear engineering and technology (01-08-2022)“…When assessing the radiological consequences of postulated accident scenarios, it is of primary interest to determine the amount of radioactive fission gas…”
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