Thermocline storage for concentrated solar power plants: Descriptive review and critical analysis

T Chekifi, M Boukraa - Journal of Energy Storage, 2022 - Elsevier
The present research work is part of a desire to provide additional and necessary
knowledge for the development of thermal storage technology. In concentrating solar power …

Numerical study of the effects of loading method on mixing of two kinds of pebbles in HTGR: A GPU-DEM simulation

Q Zou, N Gui, X Yang, J Tu, S Jiang - Progress in Nuclear Energy, 2023 - Elsevier
The flow, stacking, and mixing of pebbles in the High-Temperature Gas-cooled Reactor
(HTGR) will affect the power distribution of the core and thus affect the economy and safety …

Parameter analysis and wall effect of radiative heat transfer for CFD-DEM simulation in nuclear packed pebble bed

H Wu, N Gui, X Yang, J Tu, S Jiang - Experimental and Computational …, 2021 - Springer
In the heat transportation of core of high temperature gas-cooled nuclear reactor (HTGR),
radiative heat transfer plays a significant role in the CFD-DEM simulations. The numerical …

Discrete element analysis of the particle mixing performance in a ribbon mixer with a double U-shaped vessel

W Gao, L Liu, Z Liao, S Chen, M Zang, Y Tan - Granular Matter, 2019 - Springer
In this study, a discrete element method is employed to simulate the mixing process of solid
particles in a horizontal ribbon mixer with a double U-shaped vessel. A mixing index, ie the …

Effects of the 3-D wall structures on the flow and mixing characteristics of pebbles in pebble beds in HTR-10

B Li, N Gui, H Wu, X Yang, J Tu, S Jiang - Annals of Nuclear Energy, 2021 - Elsevier
The pebbles' movement in the pebble beds of 10 MW high-temperature gas-cooled test
reactor (HTR-10) presents as a kind of circulating quasi-static dense pebble flow. The mixing …

[HTML][HTML] Pebble flow in the HTR-PM reactor core by GPU-DEM simulation: Effect of friction

Z Zhang, Q Zou, N Gui, B Xia, Z Liu, X Yang - Nuclear Engineering and …, 2024 - Elsevier
The high-temperature gas-cooled reactor (HTGR) with spherical fuel elements contains
complex pebble flow. The flow behavior of pebbles is influenced by various factors, such as …

Effect of particle shapes on diffusion and mixing in a cylindrical mixer with rotating paddles

X Fang, H Wu, N Gui, X Li, J Tu - Computational Particle Mechanics, 2024 - Springer
Numerical simulations were performed to study the particle shape effect on the particle-scale
diffusion and mixing behavior in the mixer driven by the rotating paddles. Four shapes of …

Numerical study of particle mixing in a tilted three-dimensional tumbler and a new particle-size mixing index

Z Zhang, N Gui, L Ge, Z Li - Advanced Powder Technology, 2019 - Elsevier
A new mixing index is proposed, which is an improved Lacey index based on coordination
number fraction. The differences and similarities among many mixing indices are compared …

Pulsation effects on mixing behaviour of binary particles with different densities in supercritical water fluidized bed reactors: A CFD-DEM study

H Zhang, Y Wang, C Li, P Guo, X An, S Jiang - Powder Technology, 2024 - Elsevier
A coupled computational fluid dynamics-discrete element method (CFD-DEM) model for
simulating supercritical water fluidized bed reactors (SCWFBR) is established and verified …

[图书][B] Multiphase flow and heat transfer in pebble bed reactor core

S Jiang, J Tu, X Yang, N Gui - 2021 - Springer
A worldwide effort is underway to develop more economical, efficient, environmentally
acceptable, and safer nuclear energy for electricity generation and industrial process heat …