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J. Nucl. Eng.2025, 6(4), 46;https://doi.org/10.3390/jne6040046 
(registering DOI)

4 November 2025

Following the Great East Japan Earthquake in 2011, there has been an increased focus on risk assessment and the practical application of its findings to safety enhancement. In particular, dynamic probabilistic risk assessment (PRA) used in conjunctio...

  • Review
  • Open Access
125 Views
13 Pages

30 October 2025

Helically coiled tube heat exchangers (HCT) are recognized as promising solutions for steam generator applications in Small Modular Reactors (SMRs), where compactness and high thermal performance are crucial. The complex geometry of HCTs, however, su...

  • Article
  • Open Access
292 Views
21 Pages

Simulation of NuScale-Like SMR Benchmark with OpenMC Code

  • Abdo Ez Aldeen,
  • Dzianis Litskevich,
  • Christopher Grove,
  • Seddon Atkinson,
  • Anna Detkina and
  • Hasnain Gulzar

27 October 2025

Compared to traditional large-scale reactors, the more heterogeneous, boron-free SMR cores create additional challenges for accurate multiphysics simulations. Therefore, advanced modelling and simulation tools should be used to create high-fidelity,...

  • Article
  • Open Access
330 Views
19 Pages

Evaporation Behavior of Water in Confined Nanochannels Using Molecular Dynamics Simulation

  • Sumith Yesudasan,
  • Mamshad Mohammed,
  • Joseph Marcello and
  • Mark Taylor

23 October 2025

This study presents a molecular dynamics (MD) investigation of water evaporation in copper nanochannels, with a focus on accurately modeling copper–water interactions through forcefield calibration. The TIP4P/2005 water model was coupled with t...

  • Article
  • Open Access
380 Views
22 Pages

15 October 2025

The two-phase flow within a Boiling Water Reactor steam separator is investigated using an interface capturing method. The simulations are focused on resolving the flow around the first pickoff ring which is the highest contributor to steam carryunde...

  • Article
  • Open Access
316 Views
17 Pages

14 October 2025

Helical coiled tube (HCT) heat exchangers (HXs) are used in the nuclear industry, particularly in the residual heat removal systems of nuclear power plants (NPPs) and steam generators for small modular reactors. In this study, a single-phase CFD mode...

  • Review
  • Open Access
454 Views
22 Pages

13 October 2025

Nuclear energy plays a critical role in global decarbonisation, but its expansion raises concerns about the proliferation risks associated with conventional fuel cycles. This study addresses this challenge by evaluating Am-241 doping as a method to e...

  • Article
  • Open Access
441 Views
13 Pages

AHP-Based Methodological Proposal for Identifying Suitable Sites for the Italian Near-Surface Repository

  • Giambattista Guidi,
  • Anna Carmela Violante and
  • Francesca Romana Macioce

26 September 2025

The selection of suitable sites for the disposal of radioactive waste constitutes a critical component of nuclear waste management. This study presents an original methodological proposal based on the Analytic Hierarchy Process (AHP), designed to sup...

  • Article
  • Open Access
810 Views
26 Pages

Preliminary Experimental Validation of Single-Phase Natural Circulation Loop Based on RELAP5-3D Code: Part I

  • Hossam H. Abdellatif,
  • Joshua Young,
  • David Arcilesi and
  • Richard Christensen

19 September 2025

The molten salt reactor (MSR) is a prominent Generation IV nuclear reactor concept that offers substantial advantages over conventional solid-fueled systems, including enhanced fuel utilization, inherent passive safety features, and significant reduc...

  • Article
  • Open Access
591 Views
29 Pages

Initiating Event Frequencies for Internal Flooding and High-Energy Line Break PRAs

  • Karl N. Fleming,
  • Bengt O. Y. Lydell,
  • Mary Presley,
  • Ali Mosleh and
  • Wadie Chalgham

16 September 2025

Utilities that operate nuclear power plants are increasingly using probabilistic risk assessments (PRAs) to make day-to-day decisions on design, operations, and maintenance and to support risk-informed applications. These applications require high-qu...

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J. Nucl. Eng. - ISSN 2673-4362Creative Common CC BY license