Abstract
The mass diffusion process inside a porous medium is difficult for numerical simulation due to complex and stochastic nature of its structure. Based on the lattice Boltzmann method and reconstruction technology, this article presents an approach for simulating mass diffusion process and predicting the effective mass diffusivity in porous media, which is validated by comparing theoretical and experimental data. The concentration distribution and effective mass diffusivity inside porous media can be obtained.
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Acknowledgments
This study was supported by National Natural Science Foundation of China (Grant nos. 50478012, 50725620). The authors would like to thank the helpful discussions from Dr. J. Y. Xiong, and Prof. Y. P. Zhang about the VOCs problem. A special thanks is also given to Dr. Wang for his patient and useful discussions on the QSGS method.
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Dedicated to Professor Dr. Ing. Dr. h.c. mult. Karl Stephan on the occasion of his 80th birthday.
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Xuan, Y.M., Zhao, K. & Li, Q. Investigation on mass diffusion process in porous media based on Lattice Boltzmann method. Heat Mass Transfer 46, 1039–1051 (2010). https://doi.org/10.1007/s00231-010-0687-2
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DOI: https://doi.org/10.1007/s00231-010-0687-2