... for a comprehensive analysis of concrete ablation during the Molten Corium-Concrete Interaction (MCCI) process. The well-researched CCI-2 experiment served as the model’s benchmark during model validation. The model can forecast heat transfer, concrete ablation, phase change, mass transfer, and mixing of concrete...

... Abstract Explainable machine learning algorithm will be applied to provide accurate heat transfer prediction and information mining. Dimensionality analysis will be carried out at first in order to generate reasonable input features (dimensionless parameters) to the neural network...

... Abstract In lead-cooled fast reactors, preventing corrosion of materials like stainless steel by liquid metal is crucial. The protective oxide film on stainless steel surfaces, formed to mitigate corrosion in lead/lead-bismuth systems, can, paradoxically, degrade heat transfer in cladding...

... Abstract This paper presents the computational fluid dynamics (CFD) analysis to study the heat transfer in the Wielenga Innovation Static Salt Reactor (WISSR), which is a fast-spectrum TRU-burner reactor. The core consists of thin annular fuel chambers holding NaCl-(TRU,U)Cl 3 fuel salts...

...Proceedings of the 2024 31st International Conference on Nuclear Engineering ICONE31 August 4-8, 2024, Prague, Czech Republic ICONE31-135210 EXPERIMENTAL STUDY ON STARTUP AND HEAT TRANSFER PERFORMANCE OF HIGH TEMPERATURE SODIUM HEAT PIPE Shunli Jiang CNNC Key Laboratory on Nuclear Reactor Thermal...

.... To better reveal the flow and heat transfer mechanism of He-Xe gas mixture, 2 direct numerical simulation (DNS) cases of He-Xe gas mixture flowing through a heated pipe were performed. One is based on the experiment case (RUN696) of Taylor (1988), and another one is set with a higher temperature range...

... simulation study on the flow and heat transfer characteristics in a straight pipe of length 12.5D with constant wall temperature and constant heat flux boundary conditions separately. With the condition of Reynolds number (Re) range of 5300∼37700, the comprehensive analysis based on calculated results...

...Proceedings of the 2024 31st International Conference on Nuclear Engineering ICONE31 August 4-8, 2024, Prague, Czech Republic ICONE31-135101 EXPERIMENTAL STUDY OF THE HEAT TRANSFER PERFORMANCE AND THE CRUST OF THE TWO-LAYER STRATIFIED MELTING CORIUM Mengyi Wang CNNC Key Laboratory for Severe...

... Abstract The peculiar heat transfer mechanism of supercritical fluids has been studied for a long time, especially the flow and heat transfer in the tubes. Numerous experiments have demonstrated the three heat transfer modes of supercritical fluids: normal heat transfer, improved heat transfer...

... historical review for narrow rectangular thermal-hydraulic characteristics under marine conditions is proposed, including an expansive number of experimental and numerical studies in open literatures for recent decade. The pressure drop and heat transfer characteristics are chiefly clarified in this paper...

... Abstract As one of the cooling methods for the blanket in a fusion reactor, forced convection using helium gas has been considered as one of the promising candidates. In this study, in order to clarify the effect of tube length on heat transfer for forced flow of helium gas under various...

... Abstract Heat pipe cooled reactors have a promising future in the next generation of reactor design. The heat pipe, which is the core device for heat transfer from the core to the outside, determines the safety of the heat pipe reactor and the efficiency of power generation. In the high...

...Proceedings of the 2022 29th International Conference on Nuclear Engineering ICONE29 August 8-12, 2022, Virtual, Online ICONE29-93035 DEVELOPMENT OF A 1D CODE FOR HEAT TRANSFER CHARACTERISTICS OF HELICAL-COILED ONCE-THROUGH STEAM GENERATORS Maolong Liu School of Nuclear Science and Engineering...

...Proceedings of the 2022 29th International Conference on Nuclear Engineering ICONE29 August 8-12, 2022, Virtual, Online ICONE29-92278 EXPERIMENTAL STUDY ON THE HEAT TRANSFER CHARACTERISTICS OF NONUNIFORM HEATING TUBE BUNDLE CHANNEL Yiming Yan1, Guangming Fan1 Zongkun Li1 1College of Nuclear Science...

... Abstract Heat transfer characteristics of two-layer corium pools under rolling conditions were studied experimentally and numerically in this paper. In the experiments, the test section was designed as a semi-ellipsoidal slice, measuring a span of 1.2m, a total pool depth of 0.32m...

... Abstract Dryout and post-dryout heat transfer experiments in a tight three-rod bundle with spacer grids are carried out at Shanghai Jiao Tong University. The test section is made up of three heated rods with an outer diameter of 15 mm and three unheated components. The pitch-to-diameter ratio...

... capacity, which makes the heat transfer phenomenon near the critical point more complicated, even deteriorating. On the other hand, the curved geometry of the spiral pipe leads to a special secondary flow phenomenon in the fluid, which will intensify the heat and mass transfer and improve the heat transfer...

... and drastic properties variation. The results showed that in the local position of a pitch, temperature and velocity on cross-section presented strong nonuniformity due to the disturbance of corner and symmetry on the side of corner, which showed heat transfer enhancement or weakness on different locations...

...Proceedings of the 2022 29th International Conference on Nuclear Engineering ICONE29 August 8-12, 2022, Virtual, Online ICONE29-92323 Study on the radiation heat transfer effect of the covered gas space of the pool reactor Xinyue LUO North China Electric Power University Beijing, China Daogang LU...

... heat transfer capacity. In order to accurately simulate the turbulent heat transfer of liquid metals in narrow rectangular channels, based on the relevant experimental data, this paper explored suitable numerical simulation methods. First of all, according to the research object, the appropriate...