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• CoSeC / STFC Outputs
• 2025
• 2024
• 2023
• 2022
• 2021
• 2020
• Related Publications & Profiles

CoSeC / STFC Outputs

The publications and outputs listed below mainly reflect contributions arising from the STFC CoSeC side of CCP-NTH, including code development, benchmarking, technical reports, conference papers, and community-facing presentations linked to CHAPSim, CFD methodology, and CCP-NTH project delivery.

2025

Papers & Proceedings

• Liu, B., Wang, W., Moulinec, C., and Rolfo, S. Cost-effective Simulation of a Prismatic HTGR Fuel Assembly using Subchannel CFD. NURETH-21, Busan, Korea.
• Chinembiri, K., He, S., and Wang, W. A DNS Study on the Effect of Pyramid Surface Roughness for Supercritical Flows in Horizontal and Vertical Channels. NURETH-21, Busan, Korea.
• He, J., He, S., Macpherson, G., Shaver, D., Merzari, E., Wang, W., Liu, B., Cartland-Glover, G., Lim, O., Houghton, T., Katsamis, C., Sigournay, C., and Kyritsopoulos, I. On the CFD Modelling of Natural Convection in RVACS: Analysis of DNS and RANS Simulations. Turbulence, Heat and Mass Transfer 11.
• Liu, B., Wang, W., Moulinec, C., and Colombo, M. Implementing a Multiphase Flow Modelling Capability Targeting Boiling in the High-Fidelity Software CHAPSim2. ARCHER2 / EPCC report.
• Liu, B., Wang, W., Moulinec, C., Rolfo, S., Samler, M., Iyamabo, E., Katsamis, C., and Chevalier, M. Development of a Cost-Effective Simulation Tool for Loss of Flow Accident Transients in High-Temperature Gas-Cooled Reactors. arXiv preprint.

Talks & Presentations

• Computing Engineering, Durham HPC Days 2025: AI and Simulations.
• Development of CHAPSim2, workshop on high-order finite-difference schemes, immersed boundary methods, and HPC.
• The Role of High-Fidelity Simulation in Turbulence and Heat Transfer for Advancing Nuclear Thermal-Hydraulics, NLRC 2025.

Conference Contributions

• Liu, B., Wang, W., Rolfo, S., and Moulinec, C. Leveraging Large-Scale CFD to Improve Nuclear Reactor Safety and Support the Development of Engineering Modelling Tools. ARCHER2 Celebration of Science 2025, Edinburgh.
• Liu, B., Wang, W., Moulinec, C., and Rolfo, S. HPC-Enabled Reactor Core-Scale Modelling of a Loss of Flow Accident Transient in a Prismatic High Temperature Gas-Cooled Reactor. Math2Product 2025, Valencia.
• Liu, B., Wang, W., Moulinec, C., and Rolfo, S. Cost-Effective Modelling for Accident Scenarios of Advanced Nuclear Reactor Systems. NLRC 2025.

2024

Journal Papers

• He, J., Wang, W., Xu, B., and He, S. Impact of Conjugate Heat Transfer on the Turbulence and Heat Transfer in an Upward Heated Pipe Flow at Supercritical Pressure. International Journal of Heat and Mass Transfer, 233, 126004.
• Wang, W., Moulinec, C., He, S., Uribe, J., and Emerson, D. R. Numerical Simulation of Thermal Mixing of Liquid Sodium in a Y-Junction. Nuclear Engineering and Design, 417, 112853.

Conference Papers

• Wang, W., Liu, B., Cartland-Glover, G., He, J., Moulinec, C., Rolfo, S., and He, S. Comparison of Eddy-Viscosity Models Applied to a Reactor Vessel Auxiliary Cooling System. Parallel CFD 2024, Bonn.

Talks & Posters

• CCP-NTH Code Development, CCP/SIG-NTH Annual Technical Meeting, Abingdon.
• Advanced Development and Optimization of HPC Numerical Simulation Tools for Nuclear Thermal Hydraulics, Modelling in Nuclear Science and Engineering 2024, Manchester.
• Development of a DNS Solver for Fluids with Strong Property Variations, National Laboratories Research Conference 2024.

Community Outputs

• RVACS Benchmark Workshop 1: RANS Models Applied to a Reactor Vessel Auxiliary Cooling System.
• CCP/SIG-NTH Annual Technical Meeting, The Cosener’s House, Abingdon.

2023

Journal Papers

• Wang, W., He, S., Moulinec, C., and Emerson, D. R. Direct Numerical Simulation of Thermal Stratification of Supercritical Water in a Horizontal Channel. Computers & Fluids, 261, 105911.

Conference Papers

• Liu, B., Moulinec, C., Wang, W., He, S., and Uribe, J. A Numerical Investigation of Heat Transfer and Flow Redistribution in a 7×7 Ballooned Rod Bundle. 17th International Heat Transfer Conference, Cape Town.
• Liu, B., Wang, W., Moulinec, C., and Colomb, M. Implementation of a High-Order Algebraic Interface Reconstruction Method for Multiphase Flow Simulations in the DNS Code CHAPSim2. 19th Multiphase Flow Conference, Dresden.

Community Outputs

• 2023 Annual Technical Meeting of CCP-NTH and SIG-NTH, Bangor University.

2022

Journal Papers

• He, J., Wang, W., Yan, J., Pucciarelli, A., Jiang, P., Ambrosini, W., and He, S. Study of Fluid-to-Fluid Scaling for Upward Pipe Flows of Supercritical Fluids Using Direct Numerical Simulation. International Journal of Heat and Mass Transfer, 189, 122651.

Conference Papers & Presentations

• Wang, W., Moulinec, C., He, S., Uribe, J., and Emerson, D. R. Numerical Simulation of Thermal Mixing of Liquid Sodium in a Y-Junction. Parallel CFD 2022, Alba, Italy.
• Wang, W., Moulinec, C., He, S., Uribe, J., and Emerson, D. R. Numerical Simulation of Thermal Mixing of Liquid Sodium in a Y-Junction. UK Fluids Conference 2022.
• Chinembiri, K., He, S., and Wang, W. An Immersed Boundary Method for the DNS Solver CHAPSim. UK Fluids Conference 2022.
• Chinembiri, K., He, S., and Wang, W. An Immersed Boundary Method for the DNS Solver CHAPSim. Computing Insight UK 2022.

Community Outputs

• CHAPSim2 pre-release and community workshop.
• Training course: HPC for CFD using Code_Saturne.
• 2022 Annual Technical Meeting of CCP-NTH and SIG-NTH, Cambridge University.

2021

Conference Contributions

• Wang, W., He, S., Moulinec, C., and Emerson, D. R. Direct Numerical Simulation of Thermal Stratification of Supercritical Water in a Horizontal Channel. ParCFD 2021.
• Nuclear Thermal Hydraulics for Low-Carbon Applications – Understanding Energy and Mass Transport in Advanced Nuclear Reactor Systems. CoSeC Annual Conference 2021.

Community Outputs

• Special Topic Seminar: Multi-phase Flow and Boiling.
• Nek5000 training course co-organised with Argonne National Laboratory.
• CCP/SIG-NTH 2021 Annual Technical Meeting.

2020

Journal Papers & Conference Contributions

• He, J., Yan, J., Wang, W., Jiang, P., and He, S. Effects of Buoyancy and Thermophysical Property Variations on the Flow of Supercritical Carbon Dioxide. International Journal of Heat and Fluid Flow, 86, 108697.
• Liu, W., Wang, W., Skillen, A., Longshaw, S. M., Moulinec, C., and Emerson, D. R. A Parallel Partitioned Approach on Fluid-Structure Interaction Simulation Using the Multiscale Universal Interface Coupling Library. WCCM / ECCOMAS 2020.
• Review of CCP-NTH and SIG-NTH. 1st Online SIG Event: Turbulent Heat Transfer.

Community Outputs

• CCP-NTH launch activities and initial community-building work.
• First and second CHAPSim user meetings.
• First Annual Technical Meeting of CCP-NTH, jointly with SIG-NTH.

Related Publications & Research Profiles

In addition to the CoSeC / STFC-side outputs above, users may also wish to explore publications and broader research activities from the wider CCP-NTH leadership team.