Kostadin Ivanov

Professor of Nuclear Engineering, Head of Department of Nuclear Engineering

Dr. Kostadin Ivanov received a B.S. in nuclear engineering from the Moscow Institute of Power Engineering, Russia. He received his Ph.D. in reactor physics from the Institute of Nuclear Research and Nuclear Energy (INRNE), Bulgarian Academy of Sciences. He was senior research scientist at INRNE and assistant professor at the Technical University of Sofia, Bulgaria. Later, he was a visiting Fulbright scholar at the Nuclear Engineering Department, Pennsylvania State University (PSU) and visiting scientist at the Research Center Rossendorf Inc., Germany. Prior to joining the NC State faculty, he was a distinguished professor of nuclear engineering and graduate coordinator of nuclear engineering program at PSU.

Presently he studies the next generation stochastic and deterministic methods in reactor physics analysis and also nuclear cross-section generation and modeling. Ivanov also develops advanced methods for multi-physics coupling for design and safety applications. Another topic is the study of verification and validation methods as well as uncertainty quantification and propagation in modeling and simulations.



Reactor Physics

Institute of Nuclear Research and Nuclear Energy (INRNE), Bulgarian Academy of Sciences


Nuclear Engineering

Moscow Institute of Power Engineering, Russia

Research Description

Dr. Ivanov's research interests include nuclear reactor physics and multi-physics, nuclear core design and safety analysis, nuclear plant simulations, validation and verification of multi-physics calculations, and uncertainty quantification and propagation in modeling.


Benchmarking the real-time core model for VVER-1000 simulator application on asymmetric core load
Georgieva, E., Dinkov, Y., & Ivanov, K. (2017), Journal of Nuclear Engineering and Radiation Science, 3(3).
OECD/NEA benchmark for time-dependent neutron transport calculations without spatial homogenization
Hou, J., Ivanov, K. N., Boyarinov, V. F., & Fomichenko, P. A. (2017), Nuclear Engineering and Design, 317, 177-189.
Rod internal pressure distribution and uncertainty analysis using FRAPCON
Bratton, R. N., Jessee, M. A., Wieselquist, W. A., & Ivanov, K. N. (2017), Nuclear Technology, 197(1), 47-63.
Benchmarking the NEM real-time core model for VVER-1000 simulator application - asymmetric core
Georgieva, E., Dinkov, Y., Ivanov, K., & Stieglitz, R. (2016), (Proceedings of the 24th International Conference on Nuclear Engineering, 2016, vol 5, ).
The IAEA coordinated research programme on HTGR uncertainty analysis: Phase I status and Ex. I-1 prismatic reference results
Bostelmann, F., Strydom, G., Reitsma, F., & Ivanov, K. (2016), Nuclear Engineering and Design, 306, 77-88.
Coupled MCNP6/CTF code: Development, testing, and application
Bennett, A., Avramova, M., & Ivanov, K. (2016), Annals of Nuclear Energy, 96, 1-11.
Advances in the Pennsylvania State University NEM code
Thompson, S. A., & Ivanov, K. N. (2016), Annals of Nuclear Energy, 94, 251-262.
Development of an iterative diffusion-transport method based on MICROX-2 cross section libraries
Hou, J., Choi, H., & Ivanov, K. (2015), Annals of Nuclear Energy, 77, 335-342.
Self-shielding models of MICROX-2 code: Review and updates
Hou, J., Choi, H., & Ivanov, K. (2014), Annals of Nuclear Energy, 64, 256-263 .
Assessment of MICROX-2 Code with new ENDF/B-VII.0 master library
Hou, J., Choi, H., & Ivanov, K. (2014), Nuclear Technology, 186(3), 305-316 .

View all publications via NC State Libraries


Multi-physics platform for safety analysis based on NRC codes Improved estimates of local safety parameters for efficient evaluation of realistic safety margins for real-size reactor core modeling
National Nuclear Regulator(4/01/18 - 3/31/20)
Nuclear Energy Knowledge and Validation Center (NEKVac)
US Dept. of Energy (DOE)(12/19/16 - 9/30/17)
Faculty Development Program in Nuclear Engineering at North Carolina State University, 2017
US Nuclear Regulatory Commission(6/30/17 - 6/29/20)
Joint Faculty Appointment Between Oak Ridge National Laboratory (ORNL) and NC State University (NCSU) for Dr. David Kropaczek 2016-2017 (FY17).
US Dept. of Energy (DOE)(7/01/16 - 6/30/18)
North Carolina State University’s Graduate Fellowship in Nuclear Engineering (NCSU–GFINE) - 2016
US Nuclear Regulatory Commission(7/01/16 - 6/30/20)
Research Activities in the field of development and coupling COBRA-TF code version for research and power reactors.
South African Nuclear Energy Corporation SOC Ltd (NESCA)(1/01/16 - 5/31/19)
Participation in the MPEBV efforts with the NEA
US Dept. of Energy (DOE)(2/10/16 - 9/30/18)
NCSU Participation in IAEA Coordinated Research Program on HTGR Uncertainty Analysis in Modeling
US Dept. of Energy (DOE)(12/01/15 - 9/30/18)
Three-dimensional fuel pin model validation by prediction of hydrogen distribution in cladding and comparison with experiment
US Dept. of Energy (DOE)(12/01/15 - 5/31/17)
Joint Faculty Agreement (JFA)between UT-Battelle/ORNL and North Carolina State University for Dr. Robert Hayes.
US Dept. of Energy (DOE)(11/02/15 - 2/28/19)