Lattice Boltzmann simulation of heat transfer with phase change in saturated soil during freezing process

Wang Zhiliang; Xin Libin; Xu Zemin; Shen Linfang

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Lattice Boltzmann simulation of heat transfer with phase change in saturated soil during freezing process

机译：冻结过程中饱和土相变的晶格Boltzmann仿真

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A lattice Boltzmann model is presented for simulating heat transfer with phase change in saturated soil. The model includes a quartet structure generation set for creating soil structure, double distribution functions for simulating temperature field evolution of soil particles and water, respectively, and an enthalpy-based method for tracing phase interface. The model is validated by two cases with analytical solutions. Then, we investigate the influence of porosity on freezing process in saturated sandy loam soil. The results demonstrate that porosity is the predominant factor when the location is far from the cold source; otherwise, thermal gradient is more important.

机译：提出了一种晶格Boltzmann模型，用于模拟饱和土中相变的热传递。该模型包括用于产生土壤结构，分别用于模拟土壤颗粒和水的温度场演变的双分布函数的四重奏结构，以及用于跟踪相界面的焓的方法。该模型由两个分析解决方案的两种情况进行验证。然后，我们研究了孔隙率对饱和砂土土壤中冷冻过程的影响。结果表明，当位置远离冷源时，孔隙率是主要因素; 否则，热梯度更为重要。

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《Numerical Heat Transfer, Part B. Fundamentals: An International Journal of Computation and Methodology》 |2017年第6期|共16页
作者
Wang Zhiliang; Xin Libin; Xu Zemin; Shen Linfang;
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作者单位

Kunming Univ Sci &

Technol Fac Civil Engn &

Mech Kunming 650500 Yunnan Peoples R China;

Kunming Univ Sci &

Technol Fac Civil Engn &

Mech Kunming 650500 Yunnan Peoples R China;

Kunming Univ Sci &

Technol Fac Civil Engn &

Mech Kunming 650500 Yunnan Peoples R China;

Kunming Univ Sci &

Technol Fac Civil Engn &

Mech Kunming 650500 Yunnan Peoples R China;

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正文语种 eng
中图分类热力工程、热机;
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1. Lattice Boltzmann simulation of heat transfer with phase change in saturated soil during freezing process [J] . Wang Zhiliang, Xin Libin, Xu Zemin, Numerical Heat Transfer, Part B. Fundamentals: An International Journal of Computation and Methodology . 2017,第1a6期

机译：冻结过程中饱和土相变的晶格Boltzmann仿真
2. Simulations of saturated boiling heat transfer on bio-inspired two-phase heat sinks by a phase-change lattice Boltzmann method [J] . Xiaojing Ma, Ping Cheng, Xiaojun Quan International Journal of Heat and Mass Transfer . 2018,第PTaB期

机译：相变格子玻尔兹曼法模拟生物启发式两相散热器的饱和沸腾换热
3. A lattice Boltzmann model for heat and mass transfer phenomena with phase transformations in unsaturated soil during freezing process [J] . Wenyu Song, Yaning Zhang, Bingxi Li, International Journal of Heat and Mass Transfer . 2016,第MARa期

机译：冻结过程中非饱和土壤中具有相变的传热传质的格子玻尔兹曼模型
4. Lattice Boltzmann Simulation on Natural Convection Heat Transfer for Phase-change with Heterogeneously Porous Medium [C] . Jiugu Shao, Yang Liu, Yousheng Xu International Conference on Material Science, Environmental Science and Computer Science . 2011

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5. Time-dependent melting and freezing heat transfer in multiple phase change materials. [D] . Gong, Zhen-Xiang. 1997

机译：多种相变材料中随时间变化的熔化和凝固传热。
6. Numerical Simulation of Natural Convection of a Nanofluid in an Inclined Heated Enclosure Using Two-Phase Lattice Boltzmann Method: Accurate Effects of Thermophoresis and Brownian Forces [O] . Mahmoud Ahmed, Morteza Eslamian 2015

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7. Macroscopic lattice Boltzmann model for heat and moisture transfer process with phase transformation in unsaturated porous media during freezing process [O] . Song Wenyu, Zhang Yaning, Li Bingxi, 2017

机译：非饱和多孔介质冷冻过程中相变热湿传递过程的宏观格子Boltzmann模型

Lattice Boltzmann simulation of heat transfer with phase change in saturated soil during freezing process

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