Directory

 

 
 
General InformationPublicationsResearch Projects

  • O. Emre Ozdemir, Maria Avramova and K. Sato, 2014, "Multi-dimensional boron transport modeling in subchannel approach: Part I. Model selection, implementation and verification of COBRA-TF boron tracking model", Journal of Nuclear Engineering and Design, 278, pp. 701-712
  • O. Emre Ozdemir and Maria Avramova, 2014, "Multi-dimensional boron transport modeling in subchannel approach: Part II. Validation of COBRA-TF boron tracking model and boron precipitation", Journal of Nuclear Engineering and Design, 278, (15), pp. 713-722
  • I. Clifford, K Ivanov and Maria Avramova, 2014, "A hierarchical multi-scale approach to modelling heat conduction in prismatic HTGRs using OpenFOAM"
  • R. Bratton, Maria Avramova and K. Ivanov, 2014, "Benchmark for uncertainty analysis in modeling (UAM) for LWRs - Summary and discussion of neutronics cases (phase I)", Nuclear Engineering and Technology, 46, (3), pp. 313-349
  • A. Rosenkrantz, Maria Avramova, K. Ivanov, R. Prinsloo, D. Botes and K. Elsekhawy, 2014, "Coupled 3D neutronics/thermal hydraulics modeling of the SAFARI-1 MTR", Annals of Nuclear Energy, 73, pp. 122-130
  • M. Biery and Maria Avramova, 2014, "Investigations on coupled code PWR simulations using COBRA-TF with soluble boron tracking model", Progress of Nuclear Energy, 77, pp. 72-83
  • Maria Avramova, Kostadin N Ivanov, T. Kozlowski, I. Pasichnyk, K. Velkov, E. Royer, A. Yamaji and J. Gilford, 2014, "Multi-physics and multi-scale benchmarking and uncertainty quantification within NEA/OECD framework", Annals of Nuclear Energy
  • R. Salko, R. Schmidt and Maria Avramova, 2014, "Optimization and parallelization of the thermal-hydraulic, sub-channel code COBRA-TF for high-fidelity multi-physics applications", Annals of Nuclear Energy
  • J. Magedanz and Maria Avramova, 2014, "High-fidelity multi-physics calculations for light water reactors using coupled CTF/TORT-TD/FRAPTRAN", PHYSOR-2014 Conference: The Role of Reactor Physics Toward a Sustainable Future
  • D. Ucar, K Unlu, B. Heidrich, Maria Avramova and K. Ivanov, 2014, "Neutronic designs and analyses of a new core-moderator assembly and neutron beam ports for the Penn State Breazeale Reactor", Proceedings: PHYSOR-2014 Conference - The Role of Reactor Physics toward a Sustainable Future
  • Maria Avramova, F. S. Cannon, R. C. Voigt, T. J. Consideine, J. C. Furness, J. T. Fox, J. E. Goudzwaard and H. Huang, 2014, "Summary and status of OECD/NEA UAM-LWR benchmark", PHYSOR-2014 Conference - The Role of Reactor Physics Toward a Sustainable Future
  • Y. Perin, T. Blyth, Maria Avramova and K. Velkov, 2013, "Uncertainty analysis of COBRA-TF prediction of moderator parameters for the OECD LWR UAM benchmark, exercise II-3: Bundle thermal-hydraulics, using the SUSA tool", Proceedings: The 15th International Topical Meeting on Nuclear Reactor Thermal Hydraulics (NURETH-15)
  • I. Davis, O. Courty, Maria Avramova, A. Motta and K. Ivanov, 2013, "High fidelity multi-physics coupling for prediction of anisotropic azimuthal power and temperature distribution on fuel rod: Impact on hydride distribution", Proceedings: The 15th International Topical Meeting on Nuclear Reactor Thermal Hydraulics (NURETH-15)
  • J. Magedanz and Maria Avramova, 2013, "Coupled modeling of thermal hydraulics and fuel performance using COBRA-TF/FRAPTRAN", Proceedings: The 15th International Topical Meeting on Nuclear Reactor Thermal Hydraulics (NURETH-15)
  • Mark Biery, Maria Avramova and Kostadin Ivanov, 2013, "Investigations of the effects of soluble boron tracking on coupled CTF/NEM, LWR simulations", International Conference on Mathematics and Computational Methods Applied to Nuclear Science & Engineering (M&C 2013)
  • R. Salko and Maria Avramova, 2013, "Uncertainty analysis of sub-channel code calculated ONB wall superheat in rod bundle experiments using the GRS methodology", Journal of Progress in Nuclear Energy, 65, pp. 42-49
  • Maria Avramova, A. Manera, D. Novog, D. Cuervo and A. Petruzzi, 2013, "Selected papers from OECD-NEA PSBT benchmark", International Journal of Science and Technology of Nuclear Installations
  • R. Salko, Maria Avramova, R. Hooper, S. Palmtag, E. Popov and J. Turner, 2013, "Improvements, enhancements, and optimizations of COBRA-TF", Proceedings: International Conference on Mathematics and Computational Methods Applied to Nuclear Science & Engineering (M&C 2013)
  • F. Puente Espel, Maria Avramova, K. Ivanov and S. Misu, 2013, "New developments of the MCNP/CTF/NEM/NJOY code system - Monte Carlo based coupled code for high accuracy modeling", Annals of Nuclear Energy, 51, pp. 18-26
  • Maria Avramova and A. Rubin, 2013, "OECD-NEA/US-NRC/NUPEC PWR subchannel and bundle test (PSBT) benchmark, Volume II: Final Results of phase I on void distribution"
  • Maria Avramova and A. Rubin, 2013, "OECD-NEA/US-NRC/NUPEC PWR subchannel and bundle test (PSBT) benchmark, Volume III: Final results of phase II on departure from nucleate boiling"
  • Maria Avramova, Adam Rubin and Hideaki Utsuno, 2013, "Overview and discussion of the OECD/NRC benchmark based on NUPEC PWR subchannel and bundle tests (PSBT)", International Journal of Science and Technology of Nuclear Installations
  • Maria Avramova and Diana Cuervo, 2013, "Assessment of CTF boiling transition and critical heat flux modeling capabilities using the OECD/NRC BFBT and PSBT benchmark databases", Science and Technology of Nuclear Installations
  • Maria Avramova, Alexander Velazquez-Lozada and Adam Rubin, 2013, "Comparative analysis of CTF and TRACE thermal-hydraulic codes using OECD/NRC PSBT benchmark void distribution database", Science and Technology of Nuclear Installations
  • I. Clifford, K. Ivanov and Maria Avramova, 2013, "A multi-scale homogenization and reconstruction approach for solid material temperature calculations in prismatic high temperature reactor cores", Journal of Nuclear Engineering and Design, 256, pp. 1-13
  • O. E. Ozdemir and Maria Avramova, 2012, "Verification of COBRA-TF boron tracking model with STAR-CD", Transactions of 2012 ANS Annual Meeting
  • J. Jiménez, Maria Avramova, V. Sanchez and K. Ivanov, 2012, "Recent developments in KTF: Code optimization and improved numerics", KTG 2012 International Conference
  • K. Ivanov, Maria Avramova, S. Kamerow, I. Kodeli, E. Sartori, E. Ivanov and O. Cabellos, 2012, "Benchmark for uncertainty analysis in modeling (UAM) for design, operation, and safety analysis of LWRs, Volume 1: Specification and support data for the neutronics cases (phase I) - Version 2.0 (final specifications)"
  • J. Magedanz, Y. Perrin and Maria Avramova, 2012, "High-fidelity multi-physics simulation of BWR with coupled TORT-TD/CTF", PHYSOR 2012 -"Advances in Reactor Physics", Linking Research, Industry, and Education
  • Javier Jiménez, Samuel Alglave and Maria Avramova, 2012, "Coupling of TRANSURANUS with KTF for high fidelity fuel rod modeling", PHYSOR 2012 -"Advances in Reactor Physics", Linking Research, Industry, and Education
  • T. Blyth, Maria Avramova, K. Ivanov, E. Royer, E. Sartori and O. Cabellos, 2012, "Benchmark for uncertainty analysis in modeling (UAM) for design, operation, and safety analysis of LWRs, Volume 2: Specification and support data for the core cases (phase II) - Version 1"
  • I. Clifford, K. Ivanov and Maria Avramova, 2012, "A multi-scale homogenization and reconstruction approach for solid material temperature calculations in the MHTGR core", Proceedings of the HTR 2012
  • Maria Avramova, 2011, "Extension of BEPU methods to sub-channel thermal-hydraulics and to coupled three-dimensional neutronics/thermal-hydraulics codes", OECD/CSNI Workshop
  • K. Ivanov, Maria Avramova, E. Royer and G. Gillford, 2011, "Discussion of OECD LWR uncertainty analysis in modelling benchmark", OECD/CSNI Workshop
  • Maria Avramova, A. Velazquez-Lozada and A. Rubin, 2011, "Comparative analysis of CTF and TRACE thermal-hydraulic codes using OECD/NRC PSBT benchmark void distribution database", -The 14th International Topical Meeting on Nuclear Reactor Thermal Hydraulics (NURETH-14)
  • Maria Avramova and D. Cuervo, 2011, "Assessment of CTF boiling transition and critical heat flux modeling capabilities using the OECD/NRC BFBT and PSBT benchmarks database", Proceedings: The 14th International Topical Meeting on Nuclear Reactor Thermal Hydraulics (NURETH-14)
  • Ozkan Emre Ozdemir, Maria Avramova and Kenya Sato, 2011, "Multidimensional boron transport modeling in subchannel approach", Proceedings: The 14th International Topical Meeting on Nuclear Reactor Thermal Hydraulics (NURETH-14)
  • P. Péturaud, R. K. Salko, A. Bergeron, S. Yagnik and Maria Avramova, 2011, "Analyses of single-phase heat transfer and onset of nucleate boiling in a rod bundle with mixing vane grids", Proceedings: The 14th International Topical Meeting on Nuclear Reactor Thermal Hydraulics (NURETH-14)
  • Maria Avramova, 2011, "CTF/STAR-CD off-line coupling for simulation of crossflow caused by mixing vane spacers in rod bundles", Proceedings: International Conference on Mathematics and Computational Methods Applied to Nuclear Science and Engineering (M&C 2011)
  • I. Clifford, K. Ivanov and Maria Avramova, 2011, "A general coarse and fine mesh solution scheme in fluid flow modeling in VHTRS", Proceedings: International Conference on Mathematics and Computational Methods Applied to Nuclear Science and Engineering (M&C 2011)
  • O. E. Ozdemir, Maria Avramova and K. Sato, 2010, "Boron tracking model implementation in COBRA-TF: Analytical and sensitivity analysis", 103, pp. 1008-1009
  • Amparo Soler, Ivor Clifford, Boyan Neykov, Maria Avramova and Kazuyuki Katsuragi, 2010, "Coupling COBRA-TF with RELAP5-3D© using parallel virtual machine (PVM) environment", 103, pp. 868-871
  • Robert K. Salko, Maria Avramova and Akira Ohnuki, 2010, "Modification of COBRA-TF for improved vessel-wide transient analysis", 103, pp. 977-978
  • A. Rubin, A. Schoedel, Maria Avramova, H. Utsuno, S. Bajorek and A. Velazquez-Lozada, 2010, "OECD/NEA/NRC benchmark based on NUPEC PWR subchannel and bundle tests (PSBT), Volume I: Experimental database and final problem specifications"
  • A. Rubin and Maria Avramova, 2010, "OECD/NRC benchmark based on NUPEC PWR subchannel and bundle tests (PSBT) - Scoping calculations with the advanced subchannel code CTF", NUTHOS-8 International Topical Meeting on Nuclear Reactor Thermal Hydraulics
  • O. E. Ozdemir, Maria Avramova and S. G. Srinivasan, 2010, "Numerical investigation of spacer grid effects on cooling performance of LWRs in a large-break LOCA", NUTHOS-8 International Topical Meeting on Nuclear Reactor Thermal Hydraulics
  • Maria Avramova and K. Ivanov, 2010, "Verification, validation and uncertainty quantification in multi-physics modeling for nuclear reactor design and safety analysis", Progress in Nuclear Energy, 52, (7), pp. 601-614
  • V. Karriem, F. Puente Espel, Maria Avramova, B. Heidrich and K. Ünlü, 2010, "Thermal-hydraulic modeling of Penn State Breazeale Reactor for safety and fuel management", 102, pp. 185-186
  • V. Karriem, F. Puente Espel, Maria Avramova, B. Heidrich and K. Ünlü, 2010, "Further development of the TRIGSIMS code system for Penn State Breazeale Reactor fuel management", 102, pp. 179-180
  • Maria Avramova, 2010, "Validation of thermal-hydraulic computer code modeling using OECD/NRC BFBT and PSBT benchmarks", pp. pp. 51
  • F. Puente Espel, Maria Avramova, K. Ivanov and S. Misu, 2010, "New developments of the MCNP/CTF/NEM/NJOY code system - Monte Carlo based coupled code for high accuracy modeling", The 2010 International Conference on the Physics of Reactors (PHYSOR-2010)
  • A. Rubin, Maria Avramova, H. Utsuno, S. Bajorek and A. Velazquez-Lozada, 2010, "OECD/NRC benchmark based on NUPEC PWR subchannel and bundle tests (PSBT)", The 2010 International Conference on the Physics of Reactors (PHYSOR-2010)
  • R. Salko, Maria Avramova, P. Peturaud and A. Bergeron, 2010, "Analyses of single-phase heat transfer and onset of nucleate boiling in rod bundles", 18th International Conference on Nuclear Engineering (ICONE18)
  • Ilyes Gouja, Maria Avramova and A. Rubin, 2010, "Development and optimization of coupling interfaces between reactor core neutronic and thermal-hydraulic codes", The 2010 International Conference on the Physics of Reactors (PHYSOR-2010)
  • M. Christienne, Maria Avramova, Y. Perin and A. Seubert, 2010, "Coupled TORT-TD/COBRA-TF capability for high-fidelity LWR core calculations", The 2010 International Conference on the Physics of Reactors (PHYSOR-2010)
  • Maria Avramova, 2010, "OECD-NEA/US-NRC/NUPEC BWR full-size fine-mesh bundle test (BFBT) benchmark, Volume III: Results of phase I on void distribution"
  • Maria Avramova, 2010, "OECD-NEA/US-NRC/NUPEC BWR full-size fine-mesh bundle test (BFBT) benchmark, Volume IV: Results of phase II on critical power"
  • A. Guzzetta, Maria Avramova and Rob Kunz, 2009, "Modeling of crud formation in rod bundles via off-line coupling between CFD and sub-channel codes"
  • A. Guzzetta, Maria Avramova and Rob Kunz, 2009, "CFD modeling of crud formation in rod bundles"
  • F. Puente Espel, Maria Avramova and K. Ivanov, 2009, "High accuracy modeling for advance nuclear reactor core designs using Monte Carlo based coupled calculations"
  • Robert Salko and Maria Avramova, 2009, "NESTOR (new experimental studies of thermal-hydraulics of rod bundles) modeling of tests using VIPRE-I"
  • Boyan Neykov, Maria Avramova and E. Popov, 2009, "CFD and sub-channel code validation utilizing the OECD/NRC BFBT benchmark"
  • Maria Avramova, K. Ivanov, B. Krzykacz-Hausmann, K. Velkov, A. Pautz and Y. Perin, 2009, "Uncertainty analysis of COBRA-TF void distribution predictions for the OECD/NRC BFBT benchmark", M&C 2009
  • K. Ivanov, Maria Avramova, S. Kamerow, I. Kodeli and E. Sartori, 2009, "Overview and discussion of phase I of the OECD LWR UAM benchmark activity", M&C 2009
  • K. Ivanov and Maria Avramova, 2009, "Verification & validation and uncertainty analysis in multi-physics modeling for nuclear reactor design and safety", M&C 2009
  • F. Puente Espel, Maria Avramova, K. Ivanov and S. Misu, 2009, "High accuracy modeling for advance nuclear reactor core designs using Monte Carlo based coupled calculations", M&C 2009
  • B. Neykov, Maria Avramova, E. Popov and Kostadin Ivanov, 2009, "CFD code validation utilizing the OECD/NRC BFBT benchmark", Proceedings: NURETH-13
  • J. Jiménez, Maria Avramova, J. A. Lozano, J. J. Herrero, J. M. Aragonés, D. Cuervo and K. Ivanov, 2008, "Comparative analysis of neutronics/thermal-hydraulics multi-scale coupling for LWR analysis", PHYSOR-2008 Conference
  • K. Ivanov, Maria Avramova, I. Kodeli and E. Sartori, 2008, "Uncertanty Analysis in Modeling (UAM) and Safety Implications", TOPSAFE 2008, Conference
  • K. Ivanov, Maria Avramova, I. Kodeli and E. Sartori, 2008, "Uncertainty analysis in modeling (UAM) and safety implications", TOPSAFE 2008 Conference
  • K. Ivanov, Maria Avramova, I. Kodelli and E. Sartori, 2007, "Benchmark for uncertainty analysis in modeling (UAM) for design, operation, and safety analysis of LWRs, Volume 1: Specification and support data for the neutronics cases (phase I) - Version 1"
  • C. Tippayakul, Maria Avramova, F. Puente Espel and K. Ivanov, 2007, "Investigations on Monte Carlo based coupled core calculations", ICAAP 2007 Conference
  • K. Ivanov and Maria Avramova, 2007, "Challenges in safety analysis: Coupled thermal-hydraulics and neutronics simulations", Annals of Nuclear Energy, 34, (6), pp. 501-513
  • Maria Avramova, D. Cuervo and K. Ivanov, 2006, "Improvements and applications of COBRA-TF for stand-alone and coupled LWR safety analyses", Proceedings: PHYSOR-2006
  • D. Cuervo, Maria Avramova, K. Ivanov and R. Miro, 2006, "Evaluation and enhancement of COBRA-TF efficiency for LWR calculations", Annals of Nuclear Energy, 33, pp. 837-847
  • D. Cuervo, R. Miro, Maria Avramova and K. Ivanov, 2005, "Implementation and performance of Krylov methods for the solution of two fluid hydrodynamics equations in the COBRA TF Code", Proceedings: M&C 2005
  • D. Ziabletsev, Maria Avramova and K. Ivanov, 2004, "Development of PWR integrated safety analysis methodology using multi-level coupling algorithm", Nuclear Science and Engineering
  • L. Hochreiter, K. Ivanov and Maria Avramova, 2004, "Subchannel analysis needs for fuel assembly design"
  • D. Cuervo, Maria Avramova and K. Ivanov, 2004, "Improving the computation efficiency of COBRA-TF for LWR safety analysis of large problems", PHYSOR 2004
  • J. Solis, Maria Avramova and K. Ivanov, 2004, "Multi-level methodology in parallel computing environment for evaluating BWR safety parameters", Nuclear Technology, 146, (3), pp. 267-278
  • Maria Avramova, K. Ivanov, J. Kronnenberg and F. Burtak, 2003, "PWR MSLB simulations using COBRA-TF advanced thermal-hydraulic code"
  • Maria Avramova, K. Ivanov, J. Kronnenberg and F. Burtak, 2003, "COBRA-TF PWR core wide and hot subchannel calculations"
  • J. Kronnenberg, Maria Avramova and F. Burtak, 2003, "COBRA-TF - A core thermal-hydraulic code: Validation against GE 3x3 experiment", Annual Meeting on Nuclear Technology 2003, pp. 105-109
  • Maria Avramova, K. Ivanov, L. Hochreiter, S. Balzus and R. Mueller, 2002, "Comparative analysis of PWR core wide and hot channel calculations"
  • D. Ziabletsev, Maria Avramova and K. Ivanov, 2002, "Development of PWR integrated safety analysis methodology using multi-level coupling algorithm", Proceedings: PHYSOR 2002
  • J. Solis, Maria Avramova and K. Ivanov, 2002, "Temporal adaptive algorithm for TRAC-BF1/NEM/COBRA-TF coupled calculations in BWR safety analysis", Annals of Nuclear Energy, 29, pp. 2127-2141
  • D. Panayotov, B. Ilieva, Maria Avramova, U. Rode and A. Seidel, 2000, "Implementation, validation, and application of 3D neutron kinetics code for accidents analyses. DYN3D, ATHLET and thermal-hydraulic and ATHLET/DYN3D internal coupled codes calculations for start-up experiment with coast-down of two neighbor from working four main coolant pumps (Kozloduy NPP Unit 6 VVER-1000)"
  • D. Panayotov, B. Ilieva and Maria Avramova, 1996, "Development of the computer code for core thermal-hydraulic analyses of VVER-440 and VVER-1000 reactors", Proceedings: YUNC96, Belgrad, Serbia
  • E. Vapirev, P. Grozev, N. Krasteva, T. Jordanov, Maria Avramova and S. Amin, 1996, "Variations in the absorption coefficients in experiments with beta-particles", Bulgarian Journal of Physics, 23, (1-2), pp. 17-26
  • J. Magedanz, Maria Avramova, Y. Perin, A. Seubert and K. Velkov, , "High-fidelity multi-physics system TORT-TD/CTF/FRAPTRAN for light water reactor analysis", Annals of Nuclear Energy
  • Maria Avramova, B. Neykov, K. Ivanov, H. Utsuno, E. Royer and E. Sartori, , "Overview of the OECD/NRC benchmark based on NUPEC BWR full-size fine-mesh bundle tests (BFBT) for validation of best-estimate models with high quality data", Nuclear Engineering and Design journal - Special Issue on OECD/NRC BFBT Benchmark
  • D. Cuervo, J. Jimenes and Maria Avramova, , "Modeling and analysis of phase I of the OECD/NRC BFBT benchmark with CTF", Nuclear Engineering and Design journal - Special Issue on OECD/NRC BFBT Benchmark
  • Maria Avramova, D. Cuervo and J. Jimenes, , "Modeling and analysis of phase II of the OECD/NRC BFBT benchmark with CTF", Nuclear Engineering and Design journal - Special Issue on OECD/NRC BFBT Benchmark
  • Maria Avramova, B. Krzykacz-Hausmann, K. Velkov, A. Pautz and Y. Perin, , "Uncertainty analysis of COBRA-TF void distribution for the OECD/NRC BFBT benchmark", Nuclear Engineering and Design journal - Special Issue on OECD/NRC BFBT Benchmark
  • B. Neykov**, Maria Avramova and E. Popov, , "FLUENT modeling and results for exercise II-0 of the BFBT benchmark", Nuclear Engineering and Design journal - Special Issue on OECD/NRC BFBT Benchmark
  • Bob Salko, Travis Lange, Vefa Kucukboyaci, Yixing Sung, Scott Palmtag, Jess Gehin and Maria Avramova, , "Development of COBRA-TF for modeling full-core, reactor operating cycles"
 

About

The Department of Mechanical and Nuclear Engineering at Penn State is one of the nation’s largest and most successful engineering departments. We serve more than 1,000 undergraduate students and more than 330 graduate students

We offer B.S. degrees in mechanical engineering and nuclear engineering as well as resident (M.S., Ph.D.) and online (M.S., M.Eng.) graduate degrees in nuclear engineering and mechanical engineering. MNE's strength is in offering hands-on experience in highly relevant research areas, such as energy, homeland security, biomedical devices, and transportation systems.

Department of Mechanical and Nuclear Engineering

137 Reber Building

The Pennsylvania State University

University Park, PA 16802-4400

Phone: 814-865-2519