Advanced simulation of a 750 t/d municipal solid waste grate boiler to better accommodate feedstock changes due to waste classification

T Gu, W Ma, T Berning, Z Guo, R Andersson, C Yin - Energy, 2022 - Elsevier
To better accommodate changes in municipal solid waste (MSW) properties due to waste
classification, advanced computational fluid dynamics (CFD) simulations are carried out for …

Investigating the thermal-hydraulic enhancement and ash deposition characteristics of leeward-cut spiral finned tube heat exchangers

Z Tong, H Wang, S Tong, X Chen - International Communications in Heat …, 2023 - Elsevier
The spiral finned tube (SFT) heat exchanger is a vital component in industrial boilers for
energy utilization and recovery. To enhance its efficiency and reduce material usage, a …

Mechanism modeling of optimal excess air coefficient for operating in coal fired boiler

Y Wang, X Li, T Mao, P Hu, X Li - Energy, 2022 - Elsevier
Optimization of excess air coefficient is extremely significant for boiler operating
performance. Currently theoretical modeling of optimal excess air coefficient is still an …

Correlation of sodium releasing and mineral transformation characteristics with ash composition of typical high-alkali coals

T Zhang, Z Li, F Hu, X Huang, Z Liu - Fuel Processing Technology, 2021 - Elsevier
Understanding the sodium migration mechanism during combustion process is critical for
the clean and efficient utilization of high-alkali coals. In this paper, sodium releasing …

CFD modelling of biomass ash deposition under multiple operation conditions using a 2D mass-conserving dynamic mesh approach

X Yang, H Zhou, H Wu - Fuel, 2022 - Elsevier
A dynamic CFD model with conjugate heat transfer that considers particle sticking and
erosion is developed and used for predicting the effect of multiple operation conditions on …

A strategy of mixed tube bundle to improve anti-deposition performance and heat transfer

R An, X Zhang - International Communications in Heat and Mass …, 2024 - Elsevier
Ash deposition is a key issue that limits the energy utilization and safety operation of high-
energy-consuming equipment in industrial applications, and the clarification of the heat and …

Investigation of microparticle deposition and removal behavior using hybrid thermal Lattice Boltzmann method

H Miao, H Yin, J Cui, H Pu, M Dong, L Mu - Powder Technology, 2023 - Elsevier
A numerical method for deposition evolution is proposed by incorporating mechanistic
sticking and melt faction sticking model. The hybrid thermal Lattice Boltzmann method is …

Modelling of fly ash viscous deposition and slagging prediction of biomass-fired boiler

Y Zhu, H Su, T Qiu, Y Zhai, H Mikulčić, X Wang… - Renewable Energy, 2024 - Elsevier
In addressing the ash melting-induced slagging on the high-temperature heating surfaces of
biomass-fired boiler, a combined experimental and modelling study of biomass ash viscous …

Dynamic evaluation of ash deposition behavior and parametric study using an inverse distance weighted interpolation dynamic mesh method

R An, X Zhang - Powder Technology, 2024 - Elsevier
Ash deposition is a critical issue concerning the energy utilization and safety operation of
heat exchangers. Efficient dynamic evaluation of deposition morphology and reasonable …

Numerical investigation on ash accumulation characteristics of serrated spiral finned tube heat exchanger in waste heat utilization

K Tian, Z Guo, T Ma, M Zeng, J Wang - Applied Thermal Engineering, 2024 - Elsevier
In this study, a comprehensive loose fouling model is established to investigate the fouling
characteristics of fly ash on serrated spiral finned tube heat exchangers. This model …