Search Results - "Papukchiev, Angel"
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Uncertainty and sensitivity analysis of coupled multiscale simulations in the context of the SESAME EU-Project
Published in International Journal of Advanced Nuclear Reactor Design and Technology (2020)“…There are many complex industrial hydraulic systems for which the detailed simulation of their behavior is computationally expensive. Fast three-dimensional…”
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Numerical analysis of reactor relevant vibrations using advanced multiphysics CFD-CSM methods
Published in Nuclear engineering and design (15-08-2019)“…•CFD and CSM codes are coupled.•Validation on Vattenfall Rod Vibration Experiment are performed.•Vibrations from an external load are modelled.•Comparative…”
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Application of the coupled code ATHLET-ANSYS CFX for the simulation of the flow mixing inside the ROCOM test facility
Published in Progress in nuclear energy (New series) (01-07-2021)“…System thermal-hydraulic (STH) codes are based on 1D lumped parameter approach, which has limited capabilities to model 3D flow mixing phenomena. To close this…”
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On the need for conjugate heat transfer modeling in transient CFD simulations
Published in Nuclear engineering and design (01-10-2020)“…•CFD models with and without solid structures are generated.•Two different TALL-3D experiments are calculated with both CFD models.•Comparative analyses are…”
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Advanced multi-physics simulation for reactor safety in the framework of the NURESAFE project
Published in Annals of nuclear energy (01-10-2015)“…•We model accident scenarios for LWRs, using the NURESIM software platform.•In NURESIM, thermohydraulics, neutronics and fuel thermomechanics codes are…”
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Comparison of different coupling CFD–STH approaches for pre-test analysis of a TALL-3D experiment
Published in Nuclear engineering and design (15-08-2015)“…•Thermal-hydraulic system codes and CFD tools are coupled.•Pre-test calculations for the TALL-3D facility are performed.•Complex flow and heat transfer…”
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Development and application of computational fluid dynamics approaches within the European project THINS for the simulation of next generation nuclear power systems
Published in Nuclear engineering and design (15-08-2015)“…•Thermal–hydraulic crosscutting issues related to Generation IV reactor concepts have been investigated within the European Project THINS.•New nuclear systems…”
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