Guillaume Krivtchik
Senior energy modeler at TerraPraxis- Claim this Profile
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Bio
Experience
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Terra Praxis
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United Kingdom
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Environmental Services
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1 - 100 Employee
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Senior energy modeler
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Apr 2023 - Present
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CEA-Liten
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France
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Think Tanks
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100 - 200 Employee
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Research engineer - Multi-vector energy systems
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Mar 2022 - Apr 2023
I worked as a research engineer in the field of multi-vector energy systems optimization. - Developed energy systems models - Analyzed multi-vector energy systems I worked as a research engineer in the field of multi-vector energy systems optimization. - Developed energy systems models - Analyzed multi-vector energy systems
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OECD Nuclear Energy Agency
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France
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International Affairs
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1 - 100 Employee
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Energy modeler
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Sep 2020 - Feb 2022
I worked as an energy modeler in the Division of Nuclear Technology Development and Economics (NTE) focused on building the NEA power systems model and analyzing power system scenarios with an emphasis on system costs. -Developed POSY, the OECD/NEA flow-based power system model focused on analyzing system costs -Modeled and analyzed power systems including prospective scenarios to provide decision-making material I worked as an energy modeler in the Division of Nuclear Technology Development and Economics (NTE) focused on building the NEA power systems model and analyzing power system scenarios with an emphasis on system costs. -Developed POSY, the OECD/NEA flow-based power system model focused on analyzing system costs -Modeled and analyzed power systems including prospective scenarios to provide decision-making material
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CEA
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France
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Research Services
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700 & Above Employee
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Research Engineer
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Oct 2014 - Sep 2020
I worked as a research engineer at CEA Cadarache in the field of prospective nuclear fuel cycle studies, with an emphasis on uncertainty analysis and model development.-Performed prospective nuclear fuel cycle scenario studies to provide decision-making material. Examples: * comparison of strategies medium-term (~30 years) including multi-recyling in PWR reactors * comparison of strategies for long-term (~150+ years) management of plutonium including phase-out * comparison of strategies for transmutation of minor actinides-Developed scenario resilience methodology based on machine-learning to manage uncertainty and flexibility in long-term scenarios-Supervised the development of COSI7, the new CEA reference model for prospective nuclear fuel cycle studies-Co-supervised two PhD students working on: * nuclear fuel cycle scenario optimization using metaheuristics; application to French prospective scenarios * nuclear fuel cycle scenario resilience using machine-learning (artificial neural networks, kriging, stepwise uncertainty reduction); application to French prospective scenarios Show less
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PhD student
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Oct 2011 - Oct 2014
I worked at CEA Cadarache as a PhD student on the analysis of uncertainty in long-term (~150 years) nuclear fuel cycle scenarios.-Developed a stochastic uncertainty propagation method for prospective nuclear scenario studies based on a sub-model approach-Created irradiation and fresh fuel equivalence surrogate models based on several estimation techniques including artificial neural networks-Performed the uncertainty propagation of nuclear data and industrial parameters on the nuclear fuel cycle-Assessed the feasibility of different options for the future French nuclear fleet. Show less
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CEA
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France
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Research Services
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700 & Above Employee
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Trainee
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Feb 2011 - Jul 2011
I worked as an intern at CEA Cadarache on the topic of neutronic sensitivity and representativeness in the frame of criticality studies. -Generated sensitivity profiles in the frame of criticality studies using deterministic and stochastic solvers -Assessed the uncertainty of the effective neutron multiplication factor -Calculated the representativeness of applications and experiments, applied a bias reduction technique to the multiplication factor I worked as an intern at CEA Cadarache on the topic of neutronic sensitivity and representativeness in the frame of criticality studies. -Generated sensitivity profiles in the frame of criticality studies using deterministic and stochastic solvers -Assessed the uncertainty of the effective neutron multiplication factor -Calculated the representativeness of applications and experiments, applied a bias reduction technique to the multiplication factor
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Kyoto University
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Japan
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Research Services
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700 & Above Employee
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Trainee
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Jul 2010 - Sep 2010
I worked as an intern at the Kyoto University Research Reactor Institute (KURRI) on the topic of neutronic sensitivity analysis. -Generated and analyzed the sensitivity profiles of the effective neutron multiplication factor in the frame of super high burnup fuel. I worked as an intern at the Kyoto University Research Reactor Institute (KURRI) on the topic of neutronic sensitivity analysis. -Generated and analyzed the sensitivity profiles of the effective neutron multiplication factor in the frame of super high burnup fuel.
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Education
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Grenoble INP - Phelma
Master 2 (M2), Energetics, physics -
Grenoble INP - Phelma
Diplôme d'ingénieur, Nuclear engineering