首页|An enthalpy-based cascaded lattice Boltzmann method for solid-liquid phase-change heat transfer

An enthalpy-based cascaded lattice Boltzmann method for solid-liquid phase-change heat transfer

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In this paper, a cascaded lattice Boltzmann (CLB) method for investigating solid-liquid phase-change heat transfer is developed. In the CLB method, the enthalpy methodology is adopted to capture the solid-liquid phase interface implicitly. Mesoscopically, the enthalpy is defined as the basic evolution variable of the CLB equation of the temperature field so as to consider the phase-change effect in simulations without iteration procedure, and to achieve this purpose, the cascaded collision process is artfully designed by modifying the shifting procedure. Numerical results demonstrate that the enthalpy-based CLB method can serve as an accurate and reliable numerical tool for simulating solid-liquid phase-change heat transfer.

Lattice Boltzmann methodCascaded collision modelSolid-liquid phase changeEnthalpy methodologyHeat transferTHERMAL-ENERGY STORAGENUMERICAL-SIMULATIONPOROUS-MEDIAMODELCONDUCTIONEQUATIONSOLIDIFICATIONCONVECTIONDIFFUSIONGROWTH

Liu, Qing、Wang, Xin、Feng, Xiang-Bo、Liu, Fei

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Xian Univ Architecture & Technol

Xijing Univ

Southern Univ Sci & Technol

2022

Applied thermal engineering

Applied thermal engineering

EISCI
ISSN:1359-4311
年,卷(期):2022.209
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