A new Neumann boundary condition scheme for the thermal lattice Boltzmann method

IT Martins, VA Matsuda, L Cabezas-Gómez - … Communications in Heat and …, 2024 - Elsevier
In this paper we propose a new scheme for implementing the Neumann boundary condition
(BC) with the thermal Lattice Boltzmann Method (LBM). It consists in transforming the wall …

Wettability control mode of oil flow in shale reservoirs

Y Yang, M Cai, X Zhou, S Wei, A Wang - International Communications in …, 2024 - Elsevier
Shale oil reservoirs have a large number of micrometer-and nanometer-scale pores, which
significantly affect the wettability of shale oil flow. In this paper, the wettability control mode of …

Discrete unified gas kinetic scheme simulation of microflows with complex geometries in Cartesian grid

Q He, S Tao, X Yang, W Lu, Z He - Physics of Fluids, 2021 - pubs.aip.org
Microscale gas flow attracts significant research interest in recent years since it is concerned
with a wide range of engineering applications. It is noted that the Navier–Stokes equations …

[PDF][PDF] Overall Assessment of Heat Transfer for a Rarefied Flow in a Microchannel with Obstacles Using Lattice Boltzmann Method

S Hammid, K Naima, OM Ikumapayi… - … . Model. Eng. Sci, 2024 - cdn.techscience.cn
The objective of this investigation is to assess the effect of obstacles on numerical heat
transfer and fluid flow momentum in a rectangular microchannel (MC). Two distinct …

Axisymmetric lattice Boltzmann model for liquid flows with super-hydrophobic cylindrical surfaces

J Ren, S Wang, Q Wu, Y Song - European Journal of Mechanics-B/Fluids, 2023 - Elsevier
The lattice Boltzmann (LB) method has been extensively applied to the simulation of various
fluid flows. Nonetheless, the standard LB model in rectangular coordinates faces some …

Numerical study of the influence of secondary air uniformity on jet penetration and gas-solid diffusion characteristics in a large-scale CFB boiler

X Zheng, J Yan, J Wang, X Lu - Energies, 2021 - mdpi.com
The uniformity of secondary air (SA) in large-scale CFB boilers has an important influence
on gas-solid flow and combustion, but was seldom considered in previous studies …

Numerical modeling and analysis of yarn-end-capturing based on the immersed boundary-lattice Boltzmann method

G Xu, Y Chen, Y Sun, Y Zhang, Y Sun - Applied Mathematical Modelling, 2024 - Elsevier
Identifying the yarn end from the package surface is integral to the textile process. Using the
automatic method based on negative pressure adsorption instead of the traditional manual …

Transport Phenomena Study of Low-Prandtl-Number Fluid Flow Using Thermal Lattice Boltzmann Technique

EK Ahangar - Arabian Journal for Science and Engineering, 2024 - Springer
The impetus of this paper is to examine the natural convection of low-Prandtl-number fluid
flow driven by buoyancy force in a differentially heated enclosure using the single-relaxation …

Insight into transport performance at the interface of porous catalytic particle by means of numerical simulation

X Yang, S Wang, G Gao, Y He - Fuel, 2022 - Elsevier
The double slip effect plays an important role in transport characteristics at the permeable
porous interface between porous catalytic particle and free fluid, especially for coke …

Experimental study on gas flow in a rough microchannel

D Li, R Yang, H Cao, F Yao, C Shen… - Frontiers in Energy …, 2022 - frontiersin.org
The shape and relative roughness of a rough surface have an important influence on
microscale flow and heat transfer. In this study, a rectangular silicon microchannel (0.8 mm …