Maria Nikolova Avramova

Works (43)

2022 journal article

Ab initio molecular dynamics investigation of gamma-(U,Zr) structural and thermal properties as a function of temperature and composition

JOURNAL OF NUCLEAR MATERIALS, 561.

By: A. Aly, B. Beeler & M. Avramova

Sources: Web Of Science, ORCID
Added: May 23, 2022

2022 journal article

CTF-PARCS Core Multi-Physics Computational Framework for Efficient LWR Steady-State, Depletion and Transient Uncertainty Quantification

ENERGIES, 15(14).

By: G. Delipei, P. Rouxelin, A. Abarca, J. Hou, M. Avramova & K. Ivanov

Sources: Web Of Science, ORCID
Added: July 20, 2022

2022 journal article

CTF: A modernized, production-level, thermal hydraulic solver for the solution of industry-relevant challenge problems in pressurized water reactors

NUCLEAR ENGINEERING AND DESIGN, 397.

By: R. Salko*, A. Wysocki, T. Blyth, A. Toptan, J. Hu, V. Kumar, C. Dances, W. Dawn ...

Sources: Web Of Science, ORCID
Added: September 26, 2022

2022 journal article

Digital-twin-based improvements to diagnosis, prognosis, strategy assessment, and discrepancy checking in a nearly autonomous management and control system

ANNALS OF NUCLEAR ENERGY, 166.

Sources: Web Of Science, ORCID
Added: November 1, 2021

2022 journal article

Investigation of ?-(U, Zr) structural properties and its interfacial properties with liquid sodium using ab initio molecular dynamics

JOURNAL OF NUCLEAR MATERIALS, 567.

By: A. Aly, B. Beeler & M. Avramova

Sources: Web Of Science, ORCID
Added: June 4, 2022

2022 journal article

Propagation of VHTRC manufacturing uncertainties with RAVEN/PHISICS

ANNALS OF NUCLEAR ENERGY, 165.

Sources: Web Of Science, ORCID
Added: November 8, 2021

2021 journal article

Development and verification of a higher-order mathematical adjoint nodal diffusion solver

ANNALS OF NUCLEAR ENERGY, 163.

By: M. Altahhan, R. Geemert*, M. Avramova & K. Ivanov

Sources: Web Of Science, ORCID
Added: September 7, 2021

2021 journal article

Summary of comparative analysis and conclusions from OECD/NEA LWR-UAM benchmark Phase I

NUCLEAR ENGINEERING AND DESIGN, 384.

By: G. Delipei, J. Hou, M. Avramova, P. Rouxelin & K. Ivanov

Sources: Web Of Science, ORCID
Added: October 1, 2021

2020 article

Developments in thermal-hydraulic sub-channel modeling for whole core multi-physics simulations

Avramova, M. (2020, March). NUCLEAR ENGINEERING AND DESIGN, Vol. 358.

By: M. Avramova

Source: Web Of Science
Added: February 10, 2020

2020 journal article

Modular high temperature gas reactor core modeling with RELAP5-3D/ PHISICS ? Optimization schemes for load following

NUCLEAR ENGINEERING AND DESIGN, 362.

By: P. Balestra, K. Henry n, C. Carlyon n, C. English n, J. Myer n, M. Avramova, A. Epiney*, G. Strydom*

Source: Web Of Science
Added: July 6, 2020

2019 journal article

A new fuel modeling capability, CTFFuel, with a case study on the fuel thermal conductivity degradation

NUCLEAR ENGINEERING AND DESIGN, 341, 248–258.

By: A. Toptan, R. Salko*, M. Avramova, K. Clarno & D. Kropaczek

Source: NC State University Libraries
Added: December 31, 2018

2019 journal article

A surrogate model based on sparse grid interpolation for boiling water reactor subchannel void distribution

ANNALS OF NUCLEAR ENERGY, 131, 51–62.

By: A. Bennett*, N. Martin* & M. Avramova

Source: Web Of Science
Added: July 22, 2019

2019 journal article

CTF-R: A novel residual-based thermal hydraulic solver

NUCLEAR ENGINEERING AND DESIGN, 348, 37–45.

By: N. Porter, V. Mousseau* & M. Avramova

Source: Web Of Science
Added: June 4, 2019

2019 journal article

Gap conductance modeling I: Theoretical considerations for single- and multi-component gases in curvilinear coordinates

NUCLEAR ENGINEERING AND DESIGN, 353.

By: A. Toptan, D. Kropaczek & M. Avramova

Source: Web Of Science
Added: October 21, 2019

2019 journal article

Gap conductance modeling II: Optimized model for UO2-Zircaloy interfaces

NUCLEAR ENGINEERING AND DESIGN, 355.

By: A. Toptan, D. Kropaczek & M. Avramova

Source: Web Of Science
Added: November 18, 2019

2019 journal article

On the validity of the dilute gas assumption for gap conductance calculations in nuclear fuel performance codes

NUCLEAR ENGINEERING AND DESIGN, 350, 1–8.

By: A. Toptan, D. Kropaczek & M. Avramova

Source: Web Of Science
Added: June 24, 2019

2019 article

Quantified Validation with Uncertainty Analysis for Turbulent Single-Phase Friction Models

NUCLEAR TECHNOLOGY, Vol. 205, pp. 1607–1617.

By: N. Porter, V. Mousseau* & M. Avramova

Source: Web Of Science
Added: December 9, 2019

2018 journal article

Application of sub-channel modeling to BWR core analysis

Annals of Nuclear Energy, 115, 294–302.

By: C. Gosdin* & M. Avramova

Source: NC State University Libraries
Added: August 6, 2018

2018 journal article

CFD prediction of critical heat flux in vertical heated tubes with uniform and non-uniform heat flux

Nuclear Engineering and Design, 326, 403–412.

By: Q. Li*, M. Avramova, Y. Jiao*, P. Chen*, J. Yu*, Z. Pu*, J. Chen*

Source: NC State University Libraries
Added: August 6, 2018

2018 journal article

Implementation and assessment of wall friction models for LWR core analysis

Annals of Nuclear Energy, 115, 565–572.

By: A. Toptan, N. Porter, R. Salko* & M. Avramova

Source: NC State University Libraries
Added: August 6, 2018

2018 journal article

Three-dimensional multi-physics modeling of hydrogen and hydride distribution in zirconium alloy cladding

Progress in Nuclear Energy, 105, 294–300.

By: M. Mankosa* & M. Avramova

Source: NC State University Libraries
Added: August 6, 2018

2018 journal article

Uncertainty quantification study of CTF for the OECD/NEA LWR uncertainty analysis in modeling benchmark

Nuclear Science and Engineering, 190(3), 271–286.

By: N. Porter, M. Avramova & V. Mousseau*

Source: NC State University Libraries
Added: August 6, 2018

2018 journal article

Validation of CTF pressure drop and void predictions for the NUPEC BWR database

NUCLEAR ENGINEERING AND DESIGN, 337, 291–299.

By: N. Porter & M. Avramova

Source: NC State University Libraries
Added: October 16, 2018

2017 journal article

Comparative analysis of different fidelity fuel performance models for fuel temperature predictions

Nuclear Engineering and Design, 322, 464–473.

By: F. Raja*, M. Mankosa* & M. Avramova

Source: NC State University Libraries
Added: August 6, 2018

2017 journal article

Evaluation of modeling options for in-pellet power distribution and gap gas conductance for accurate fuel temperature predictions

Progress in Nuclear Energy, 100, 135–145.

By: F. Raja* & M. Avramova

Source: NC State University Libraries
Added: August 6, 2018

2017 journal article

High-fidelity multi-physics coupling for determination of hydride distribution in Zr-4 cladding

Annals of Nuclear Energy, 110, 475–485.

By: I. Davis*, O. Courty*, M. Avramova & A. Motta*

Source: NC State University Libraries
Added: August 6, 2018

2017 journal article

Multi-physics code system with improved feedback modeling

Progress in Nuclear Energy, 98, 94–108.

By: M. Yilmaz*, M. Avramova & J. Andersen*

Source: NC State University Libraries
Added: August 6, 2018

2016 journal article

Coupled MCNP6/CTF code: Development, testing, and application

Annals of Nuclear Energy, 96, 1–11.

By: A. Bennett, M. Avramova & K. Ivanov

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2016 journal article

Development, verification, and validation of a fuel thermal conductivity degradation model in CTF

Annals of Nuclear Energy, 97, 246–261.

By: M. Yilmaz*, M. Avramova & J. Andersen*

Source: NC State University Libraries
Added: August 6, 2018

2016 journal article

Impact of fuel thermal conductivity degradation on Doppler feedback during rod ejection accident

Nuclear Engineering and Design, 307, 339–353.

By: M. Yilmaz*, M. Avramova & J. Andersen*

Source: NC State University Libraries
Added: August 6, 2018

2015 journal article

High-fidelity multi-physics system TORT-TD/CTF/FRAPTRAN for light water reactor analysis

Annals of Nuclear Energy, 84, 234–243.

By: J. Magedanz*, M. Avramova, Y. Perin* & A. Velkov*

Source: Crossref
Added: February 24, 2020

2015 journal article

Multi-physics and multi-scale benchmarking and uncertainty quantification within OECD/NEA framework

Annals of Nuclear Energy, 84, 178–196.

By: M. Avramova, K. Ivanov, T. Kozlowski*, I. Pasichnyk*, W. Zwermann*, K. Velkov*, E. Royer*, A. Yamaji*, J. Gulliford*

Sources: Crossref, ORCID
Added: February 24, 2020

2015 journal article

Optimization and parallelization of the thermal–hydraulic subchannel code CTF for high-fidelity multi-physics applications

Annals of Nuclear Energy, 84, 122–130.

By: R. Salko*, R. Schmidt* & M. Avramova

Source: Crossref
Added: August 28, 2020

2014 journal article

Coupled 3D neutronics/thermal hydraulics modeling of the SAFARI-1 MTR

Annals of Nuclear Energy, 73, 122–130.

By: A. Rosenkrantz*, M. Avramova, K. Ivanov, R. Prinsloo*, D. Botes* & K. Elsakhawy*

Sources: Crossref, ORCID
Added: August 28, 2020

2014 journal article

Investigations on coupled code PWR simulations using COBRA-TF with soluble boron tracking model

Progress in Nuclear Energy, 77, 72–83.

By: M. Biery* & M. Avramova

Source: Crossref
Added: August 28, 2020

2014 journal article

Multi-dimensional boron transport modeling in subchannel approach: Part I. Model selection, implementation and verification of COBRA-TF boron tracking model

Nuclear Engineering and Design, 278, 701–712.

By: O. Ozdemir*, M. Avramova & K. Sato*

Source: Crossref
Added: August 28, 2020

2014 journal article

Multi-dimensional boron transport modeling in subchannel approach: Part II. Validation of CTF boron tracking model and adding boron precipitation model

Nuclear Engineering and Design, 278, 713–722.

By: O. Ozdemir* & M. Avramova

Source: Crossref
Added: August 28, 2020

2013 journal article

A multi-scale homogenization and reconstruction approach for solid material temperature calculations in prismatic high temperature reactor cores

Nuclear Engineering and Design, 256, 1–13.

By: I. Clifford*, K. Ivanov & M. Avramova

Sources: Crossref, ORCID
Added: August 28, 2020

2013 journal article

New developments of the MCNP/CTF/NEM/NJOY code system – Monte Carlo based coupled code for high accuracy modeling

Annals of Nuclear Energy, 51, 18–26.

By: F. Espel*, M. Avramova, K. Ivanov & S. Misu*

Sources: Crossref, ORCID
Added: August 28, 2020

2013 journal article

Uncertainty analysis of sub-channel code calculated ONB wall superheat in rod bundle experiments using the GRS methodology

Progress in Nuclear Energy, 65, 42–49.

By: R. Salko* & M. Avramova

Source: Crossref
Added: August 28, 2020

2010 journal article

Verification, validation and uncertainty quantification in multi-physics modeling for nuclear reactor design and safety analysis

Progress in Nuclear Energy, 52(7), 601–614.

By: M. Avramova & K. Ivanov

Sources: Crossref, ORCID
Added: August 28, 2020

2007 journal article

Challenges in coupled thermal–hydraulics and neutronics simulations for LWR safety analysis

Annals of Nuclear Energy, 34(6), 501–513.

By: K. Ivanov & M. Avramova

Sources: Crossref, ORCID
Added: August 28, 2020

2006 journal article

Evaluation and enhancement of COBRA-TF efficiency for LWR calculations

Annals of Nuclear Energy, 33(9), 837–847.

By: D. Cuervo*, M. Avramova, K. Ivanov & R. Miró*

Sources: Crossref, ORCID
Added: August 28, 2020