Comparative study of data-driven and model-driven approaches in prediction of nuclear power plants operating parameters

H Song, X Liu, M Song - Applied Energy, 2023 - Elsevier
Nuclear energy plays a crucial role in mitigating climate change as a near carbon-free and
clean energy source. Predicting operating parameters is key to the digitalization and …

Analysis of the natural circulation flow map uncertainties in an integral small modular reactor

SA Hosseini, R Akbari, AS Shirani, F D'Auria - Nuclear Engineering and …, 2021 - Elsevier
The understanding of the Natural Circulation (NC) mechanism and its flow regimes can be
considered as a help to achieve a higher safety level and lower costs by reliance on this …

[HTML][HTML] Effect of inlet throttling on thermohydraulic instability in a large scale water-based RCCS: A system-level analysis with RELAP5-3D

ZJ Ooi, Q Lv, R Hu, M Jasica, D Lisowski - Nuclear Engineering and …, 2024 - Elsevier
This paper presents results from system-level modeling of a water-based reactor cavity
cooling system using RELAP5-3D. The computational model is benchmarked with …

Assessment of RELAP5/MOD3. 2 for simulating density wave oscillation with a two-phase natural circulation test facility

C Teng, H Xie, H Jia - Nuclear Engineering and Design, 2021 - Elsevier
The slight boiling mode (SBM) of the nuclear heating reactor (NHR) designed to operating
under two-phase natural circulation with low vapor quality and PWR-type reactor design is …

Analysis of the natural circulation system characteristics with fuel rods under motion conditions

K Zhang, TA Yang, WX Tian, SY Huang, D Mao… - Annals of Nuclear …, 2022 - Elsevier
Natural circulation system is very important in the nuclear reactor system, especially for the
safety in the operation of nuclear reactor. The natural circulation characteristics are different …

System code validation in periodic two-phase flow from low-pressure oscillations

T Zhang, CS Brooks - Applied Thermal Engineering, 2024 - Elsevier
Low-pressure two-phase flow instabilities can potentially challenge start-up transients of
water-cooled nuclear reactors. Predicting oscillations caused by flow instability is therefore …

Two-group interfacial area transport equation coupled with void transport equation in adiabatic steam water flows

ZJ Ooi, CS Brooks - International Journal of Heat and Mass Transfer, 2021 - Elsevier
The two-group coupled model with IATE is benchmarked with the recently available
adiabatic phase-change flow datasets. The current state of adiabatic phase-change data is …

Stability analysis and parametric study of natural circulation integrated self-pressurized water reactor

AF Pilehvar, MH Esteki, GR Ansarifar… - Annals of Nuclear Energy, 2020 - Elsevier
The stability analysis of a natural circulation integrated self-pressurized water reactor is
investigated by the Lyapunov approach. The analysis of the pressurized water reactors …

Stability Tests and Analysis of a Low-Pressure Natural Circulation Loop with Flashing Instability

T Zhang, CS Brooks - Nuclear Technology, 2023 - Taylor & Francis
Natural circulation is employed in new designs of light water reactors to enhance passive
safety by maintaining flow and heat removal without pumps. Under low-pressure and low …

Preliminary study on thermal–hydraulic behavior of loss-of-flow accident in deep pool-type nuclear reactor

G Wang, Z Yue, R Sun, D Li, X Liu, B Wang… - Annals of Nuclear …, 2022 - Elsevier
Deep pool nuclear reactor (DPNR) is a novel pool-type reactor, which has shown great
potential in seawater desalination and district heating. In this paper, the thermal–hydraulic …