Numerical study on the boiling heat transfer and critical heat flux in a simplified fuel assembly with 2× 2 helical cruciform rods

T Cong, Y Xiao, B Wang, H Gu - Progress in Nuclear Energy, 2022 - Elsevier
The helical cruciform fuel was potential to upgrade the core power density while maintaining
the safety margin of a reactor. However, the detailed analysis on the boiling phenomena …

High-fidelity neutronics and thermal-hydraulics analysis of helical cruciform fuel based on small modular FHR

X Zhou, D Zhang, X Li, W Tian, GH Su, S Qiu - Progress in Nuclear Energy, 2023 - Elsevier
Abstract Fluorine High-temperature Reactor (FHR) is a novel reactor type without water-
cooling, but with a high outlet temperature. Small Modular FHR is convenient for modular …

Numerical study on transverse mixing characteristics of flow sweeping in helical cruciform rod bundle

D Jiang, D Zhang, W Tian, S Qiu, GH Su - Applied Thermal Engineering, 2023 - Elsevier
Fluoride salt serves as a coolant in the fluoride-salt-cooled high-temperature reactor and
flows through the reactor core to remove heat produced by the nuclear fuel. To enhance the …

Experimental investigation of helical fin and inclination effect on critical heat flux

CW Lee, JS Yoo, H Hong, H Ko, JH Ku, GW Kim… - International Journal of …, 2023 - Elsevier
Recently, diverse marine applications of nuclear power are being considered to meet the
carbon reduction goals in the maritime industries. One of the distinctive characteristics of …

Development of a flow sweeping mixing model for helical fuel rod bundles

Y Xiao, J Fu, Q Zhang, H Zhao, H Gu - Annals of Nuclear Energy, 2021 - Elsevier
The helical fuel rod is a kind of axially twisted fuel element with a three or four-petaled
profile. The helical fuel rod assembly assembled by helical fuel rods against one another in …

Experimental study on flow boiling CHF of a helical finned rod under heaving conditions using simulant fluid R134a

JS Yoo, CW Lee, H Hong, H Ko, JH Ku, GW Bae… - International Journal of …, 2024 - Elsevier
Floating nuclear power plants (FNPPs) have garnered attention as a promising solution to
provide clean energy and seawater desalination, addressing the energy needs of remote …

Preliminary Thermal-Mechanical coupled modeling of U-10Mo helical cruciform fuel rods under the unirradiated and irradiated conditions

M Cai, T Cong, Y Xiao, H Gu - Annals of Nuclear Energy, 2023 - Elsevier
The helical cruciform fuel (HCF) rods show an axially twisted shape with four-petaled profile,
thus providing enhanced heat transfer performance and mechanical self-supporting. In this …

Numerical investigation on flow and heat transfer of petal-shaped fuel bundle in hexagonal arrangement under natural circulation conditions

J Cao, J Sun, X Meng, W Zhang, J Wang, Q Li… - Progress in Nuclear …, 2025 - Elsevier
Helical petal-shaped fuel rods have the characteristics of increased heat transfer area and
self-supporting positioning, which makes them have great potential for application in small …

Experimental study on flow and heat transfer of medium-Prandtl-number fluid along a hexagonal helical cruciform seven-rods

D Jiang, D Zhang, W Tian, S Qiu, GH Su - International Journal of Heat and …, 2024 - Elsevier
A novel type of nuclear fuel named helical cruciform fuel may realize self-supporting for
adjacent elements and improve heat transfer, both of which contribute to increasing the …

Review of interdisciplinary heat transfer enhancement technology for nuclear reactor

Q Lu, Y Liu, J Deng, X Luo, Z Deng, Z Mi - Annals of Nuclear Energy, 2021 - Elsevier
All over the world, the nuclear reactor technology has been in the critical stage of
transformation and upgrading. Also, there have been the higher requirements for the key …