Adhesive particulate flow: The discrete-element method and its application in energy and environmental engineering

S Li, JS Marshall, G Liu, Q Yao - Progress in Energy and Combustion …, 2011 - Elsevier
In this paper, recent advances in the discrete-element method (DEM) for describing motion,
deposition, agglomeration or aggregation of a large number of adhesive spherical particles …

Real-time fouling characteristics of a typical heat exchanger used in the waste heat recovery systems

FL Wang, YL He, ZX Tong, SZ Tang - … Journal of Heat and Mass Transfer, 2017 - Elsevier
A numerical method was developed to investigate the fouling characteristics of a typical heat
exchanger. Firstly, an integrated fouling model which consists of a deposition process and a …

Simulation of real time particle deposition and removal processes on tubes by coupled numerical method

ZX Tong, MJ Li, YL He, HZ Tan - Applied energy, 2017 - Elsevier
A numerical method was developed to simulate the fouling processes on tubes. The detailed
particle deposition and removal mechanisms were included in the model and the evolution …

Dynamic CFD modeling and evaluation of ash deposition behaviors during Zhundong coal combustion

S Tang, L Ding, J Zhou, B Shen, H Li - Fuel Processing Technology, 2022 - Elsevier
A comprehensive CFD model is established to study the dynamic deposition behavior of ash
particles during Zhundong coal combustion. The deposition behavior of ash particles is …

Airside thermal-hydraulic and fouling performances of economizers with integrally-molded spiral finned tubes for residual heat recovery

Z Feng, C Xin, T Zhou, J Zhang, T Fu - Applied Thermal Engineering, 2022 - Elsevier
Without defects inherent in conventional welded finned tubes, nonwelded integrally-molded
spiral finned (IMSF) tubes proposed here have “zero” contact thermal resistance and high …

Fouling problems in exhaust gas recirculation coolers in the automotive industry

MS Abd-Elhady, MR Malayeri… - Heat Transfer …, 2011 - Taylor & Francis
Transportation is responsible for approximately 20% of global greenhouse gas emissions,
such as CO2, NOx, and hydrocarbons that have not been burned completely in the engine …

An integrated theoretical fouling model for convective heating surfaces in coal-fired boilers

Y Pan, F Si, Z Xu, CE Romero - Powder technology, 2011 - Elsevier
Particulate fouling on convective heating surfaces in coal-fired power plant boilers could
lead to significant efficiency deterioration and frequent unit outages. In this paper, a new …

Numerical study of particulate fouling characteristics in a rectangular heat exchange channel

Z Xu, Z Han, A Sun, X Yu - Applied Thermal Engineering, 2019 - Elsevier
Industrial flue gas contains a large amount of ash, which usually accumulates on the heat
exchanger wall and forms particulate fouling. This paper presents a numerical simulation …

Modelling the impaction of a micron particle with a powdery layer

MS Abd-Elhady, CCM Rindt, JG Wijers… - Powder Technology, 2006 - Elsevier
The interaction of an incoming micron particle with already deposited particles is an
important factor in particulate fouling of heat exchangers. A numerical model was developed …

Simulation of particle deposition in a plate-fin heat exchanger using a particle deposition model with a random function method

Z Xu, A Sun, Z Han, X Yu, Y Zhang - Powder Technology, 2019 - Elsevier
The particle deposition characteristics of plate-fin heat exchangers were studied using a
particle deposition model with a random function method. The effects of the inlet velocity …