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 …

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 …

The effect of surface roughness on the viscoelastic energy dissipation in a particle–wall collision

Y Wang, Y Zhang, Z Fang, X Wu - Journal of Aerosol Science, 2024 - Elsevier
The particle collision on a wall with roughness is common in nature and industries, but not
well understood yet. The presence of surface roughness greatly increases the complexity of …

Numerical methodology for simulating particle deposition on superhydrophobic surfaces with randomly distributed rough structures

A Pan, RR Cai, LZ Zhang - Applied Surface Science, 2021 - Elsevier
Superhydrophobic coatings with a rough structure and low surface energy have been
regarded as new high-efficiency anti-dust solutions. However, current research on the anti …

A finite element solution to normal contact forces of viscoelastic particles

S Ding, B Jian, Y Zhang, Y Hu, R Xia… - International Journal of …, 2023 - World Scientific
In this paper, an approach to solve the normal contact forces of viscoelastic particles with the
finite element method is presented. A viscoelastic constitutive model is deduced and …

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 …

[HTML][HTML] Rate-dependent adhesion in dynamic contact of spherical-tip fibrillar structures

R Li, J Sun, D Li, X Li, X Zhang, W Zhang - International Journal of Solids …, 2022 - Elsevier
Fibrillar adhesives that rely on the Van der Waals interactions exhibit fascinating prospects
in dynamic attachment applications like perching of aerial robots and capture of orbital …

Comprehensive Study on Particle–Wall Interactions: From Microscopic Parameters to Macroscopic Implications

Y Wang, Y Wang, S Zhang, M Zhou… - Industrial & Engineering …, 2023 - ACS Publications
Particle–target surface interactions are ubiquitous in nature and play an essential role in
predicting the adhesion and rebound dynamics of incident particles during the collision …

[HTML][HTML] Infiltration and resuspension of dilute particle suspensions in micro cavity flow

W Liu, C Zheng, CY Wu - Powder Technology, 2022 - Elsevier
Sedimentation of particle suspensions in a channel flow into a cavity is analysed numerically
using a lattice Boltzmann method coupled with a discrete element method. The work focuses …