We present lattice Boltzmann (LB) simulations for the mass transfer coefficient from bulk flows to pore surfaces in chemically reactive flows for both ordered and disordered porous structures. The ordered porous structure under consideration consists of cylinders in a staggered arrangement and in a line arrangement, while the disordered one is composed of randomly placed cylinders. Results show that the ordered porous structure of staggered cylinders exhibits a larger mass transfer coefficient than ordered porous structure of inline cylinders does. It is also found that in the disordered porous structures, the Sherwood number (Sh) increases linearly with Reynolds number (Re) at the creeping flow regime; the Sh and Re exhibit a one-half power law dependence at the inertial flow regime. Meanwhile, for Schmidt number (Sc) between 1 and 10, the Sh is proportional to Sc0.8; for Sc between 10 and 100, the Sh is proportional to Sc0.3.
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Research-Article
Lattice Boltzmann Simulation of Mass Transfer Coefficients for Chemically Reactive Flows in Porous Media
A. Xu,
A. Xu
Department of Mechanical and
Aerospace Engineering,
HKUST Energy Institute,
The Hong Kong University of Science
and Technology,
Hong Kong 999077, China
Aerospace Engineering,
HKUST Energy Institute,
The Hong Kong University of Science
and Technology,
Hong Kong 999077, China
Search for other works by this author on:
T. S. Zhao,
T. S. Zhao
Fellow ASME
Department of Mechanical and
Aerospace Engineering,
HKUST Energy Institute,
The Hong Kong University of Science
and Technology,
Hong Kong 999077, China
e-mail: metzhao@ust.hk
Department of Mechanical and
Aerospace Engineering,
HKUST Energy Institute,
The Hong Kong University of Science
and Technology,
Hong Kong 999077, China
e-mail: metzhao@ust.hk
Search for other works by this author on:
L. Shi,
L. Shi
Department of Mechanical and
Aerospace Engineering,
HKUST Energy Institute,
The Hong Kong University of Science
and Technology,
Hong Kong 999077, China
Aerospace Engineering,
HKUST Energy Institute,
The Hong Kong University of Science
and Technology,
Hong Kong 999077, China
Search for other works by this author on:
J. B. Xu
J. B. Xu
Department of Mechanical and
Aerospace Engineering,
HKUST Energy Institute,
The Hong Kong University of Science
and Technology,
Hong Kong 999077, China
Aerospace Engineering,
HKUST Energy Institute,
The Hong Kong University of Science
and Technology,
Hong Kong 999077, China
Search for other works by this author on:
A. Xu
Department of Mechanical and
Aerospace Engineering,
HKUST Energy Institute,
The Hong Kong University of Science
and Technology,
Hong Kong 999077, China
Aerospace Engineering,
HKUST Energy Institute,
The Hong Kong University of Science
and Technology,
Hong Kong 999077, China
T. S. Zhao
Fellow ASME
Department of Mechanical and
Aerospace Engineering,
HKUST Energy Institute,
The Hong Kong University of Science
and Technology,
Hong Kong 999077, China
e-mail: metzhao@ust.hk
Department of Mechanical and
Aerospace Engineering,
HKUST Energy Institute,
The Hong Kong University of Science
and Technology,
Hong Kong 999077, China
e-mail: metzhao@ust.hk
L. Shi
Department of Mechanical and
Aerospace Engineering,
HKUST Energy Institute,
The Hong Kong University of Science
and Technology,
Hong Kong 999077, China
Aerospace Engineering,
HKUST Energy Institute,
The Hong Kong University of Science
and Technology,
Hong Kong 999077, China
J. B. Xu
Department of Mechanical and
Aerospace Engineering,
HKUST Energy Institute,
The Hong Kong University of Science
and Technology,
Hong Kong 999077, China
Aerospace Engineering,
HKUST Energy Institute,
The Hong Kong University of Science
and Technology,
Hong Kong 999077, China
1Corresponding author.
Contributed by the Heat Transfer Division of ASME for publication in the JOURNAL OF HEAT TRANSFER. Manuscript received December 23, 2016; final manuscript received October 17, 2017; published online January 23, 2018. Editor: Portonovo S. Ayyaswamy.
J. Heat Transfer. May 2018, 140(5): 052601 (8 pages)
Published Online: January 23, 2018
Article history
Received:
December 23, 2016
Revised:
October 17, 2017
Citation
Xu, A., Zhao, T. S., Shi, L., and Xu, J. B. (January 23, 2018). "Lattice Boltzmann Simulation of Mass Transfer Coefficients for Chemically Reactive Flows in Porous Media." ASME. J. Heat Transfer. May 2018; 140(5): 052601. https://doi.org/10.1115/1.4038555
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