A review of HTGR graphite dust transport research

Q Sun, W Peng, S Yu, K Wang - Nuclear Engineering and Design, 2020 - Elsevier
Graphite dust is the important contents of source term for safety analysis of high temperature
gas-cooled reactors (HTGR). The spherical fuel element circulation in a pebble bed reactor …

An experimental study on the wall collision of micro-sized graphite particles by high-speed photomicrography

Y Zhang, Z Fang, S Zhao, M Wei, X Wu… - Progress in Nuclear Energy, 2020 - Elsevier
The micro-sized graphite dust plays an important role in pebble-bed high temperature gas-
cooled reactors, for the close relation with the fission products (FPs). However, an accurate …

A fast adhesive discrete element method for random packings of fine particles

S Chen, W Liu, S Li - Chemical Engineering Science, 2019 - Elsevier
Introducing a reduced particle stiffness in discrete element method (DEM) allows for bigger
time steps and therefore fewer total iterations in a simulation. Although this approach works …

New explicit correlations for the critical sticking velocity and restitution coefficient of small adhesive particles: A finite element study and validation

Z Fang, Y Zhang, X Wu, L Sun, S Li - Journal of Aerosol Science, 2022 - Elsevier
The collision between small adhesive particles and flat substrate is a fundamental
phenomenon in both natural and industrial processes. Due to the complex coupling among …

Numerical instantiation of complex open-cell metal foam microstructure and evaluation of its thermal performance on the melting of composite phase change material

W Liu, Y Huang - Journal of Energy Storage, 2023 - Elsevier
The melting of paraffin‑aluminum composite PCM with stochastic open-cell metal foam
digitally synthesized with a novel numerical approach is investigated via an enthalpy-based …

A numerical study on adhesive collision between a micro-sized particle and a wall

Z Fang, Y Zhang, M Wei, S Zhao, X Wu, L Sun - Powder Technology, 2020 - Elsevier
The theoretical study for the wall collision of small adhesive non-spherical particles is
challenging due to the irregular shape. In this work we present a new numerical model to …

An experimental investigation on the settling velocity and drag coefficient of micrometer-sized natural, IG-110, NG-CT-10 and A3-3 graphite particles

Z Fang, Y Zhang, S Zhao, X Li, X Wu, L Sun - Journal of Aerosol Science, 2021 - Elsevier
Micrometer-sized graphite particles are widely found in nature and industry. Particularly, the
graphite dust is an important problem for the pebble-bed high temperature gas-cooled …

Transport and deposition behaviors of graphite aerosol in the steam generator building during an overpressure discharge accident of HTR-PM

Z Fang, X Liu, Y Zhang, Y Wang, Z You, L Sun… - Nuclear Engineering and …, 2023 - Elsevier
The water-ingress accident is one of design basis accidents of high-temperature gas-cooled
reactors (HTGR). The rapid change of the flow field and the direct brush of the high-velocity …

A finite element method (FEM) study on adhesive particle-wall normal collision

Z Fang, H Wang, Y Zhang, M Wei, X Wu… - Journal of Aerosol Science, 2019 - Elsevier
The adhesive collision between a micro-sized particle and wall is important for many natural
phenomena and industrial processes. The critical adhesion velocity and restitution …

Numerical investigation of the performance of moisture separators based on two-way coupling model by Lagrangian-Eulerian methodology

X He, Q Liu, H Zhang, MQ Kui, XH Tan, XP Li - Annals of Nuclear Energy, 2019 - Elsevier
Moisture separator is one of the crucial equipment of the pressurized water reactor (PWR)
nuclear power plant. In the separators, droplets could be regarded as the dispersed phase …