A novel lattice Boltzmann model for the solid-liquid phase change with the convection heat transfer in the porous media
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- 作者：Wei Wu ; Suling Zhang ; Shuangfeng Wang<sup> ; sup><sup>sfwang@scut.edu.cn" class="auth_mail" title="E-mail the corresponding authorsup>
- 关键词：Lattice Boltzmann method ; Solid&ndash ; liquid phase change ; Porous media ; Convection heat transfer ; Effective total enthalpy energy equation
- 刊名：International Journal of Heat and Mass Transfer
- 出版年：2017
- 出版时间：January 2017
- 年：2017
- 卷：104
- 期：Complete
- 页码：675-687
- 全文大小：2585 K
文摘
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Proposed a novel LB model for the solid–liquid phase change with the convection in the porous media at the REV scale.
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An effective total enthalpy energy conservation equation is derived.
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An LB evolution equation without a phase change source term and a newly modified equilibrium distribution function are constructed.
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Temperature and heat flux continuity conditions at the interface are inherently satisfied.
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Numerical diffusion across the phase interface can be reduced by the MRT scheme.