Adsorption Kinetics Emulation With Lattice Gas Cellular Automata
Lattice gas cellular automata (LGCA), as a fluid dynamic simulation method, are conceptually simple and can be applied to deal with thermal interface effects to a wide array of boundary conditions. Based on LGCA, the lattice Boltzmann method has been successfully used to model a number of typical co...
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sg-ntu-dr.10356-857772020-03-07T13:19:26Z Adsorption Kinetics Emulation With Lattice Gas Cellular Automata Sun, Baichuan Fan, Wu Chakraborty, Anutosh School of Mechanical and Aerospace Engineering Adsorption Cellular Automata Lattice gas cellular automata (LGCA), as a fluid dynamic simulation method, are conceptually simple and can be applied to deal with thermal interface effects to a wide array of boundary conditions. Based on LGCA, the lattice Boltzmann method has been successfully used to model a number of typical continuous fluid dynamic problems. In this research, however, we extend the general Frisch, Hasslacher, and Pomeau method from LGCA to the microscopic scale to emulate the surface adsorption process. Specifically, hexagonal grids topology and geometry are applied in two dimensions with 6-bit digits to represent different states of each grid node. The rule space is then determined as 66. A two-dimensional porous network is constructed for simulating a practical adsorbent material structure. The lattice gas collision and movement are implemented within periodic space boundary conditions. Local rules of lattice gas interaction with network surface are defined and examined. The adsorption probabilities on each adsorptive site, corresponding to adsorption potential with relationship to temperature, are taken into account. As a result, an intuitive visualization of physical surface adsorption kinetics is achieved. NRF (Natl Research Foundation, S’pore) MOE (Min. of Education, S’pore) 2017-10-03T06:05:50Z 2019-12-06T16:10:02Z 2017-10-03T06:05:50Z 2019-12-06T16:10:02Z 2017 Journal Article Sun, B., Fan, W., & Chakraborty, A. (2017). Adsorption Kinetics Emulation With Lattice Gas Cellular Automata. Heat Transfer Engineering, 38(4), 409-416. 0145-7632 https://hdl.handle.net/10356/85777 http://hdl.handle.net/10220/43838 10.1080/01457632.2016.1194705 en Heat Transfer Engineering © 2017 Taylor & Francis Group, LLC. |
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Adsorption Cellular Automata Sun, Baichuan Fan, Wu Chakraborty, Anutosh Adsorption Kinetics Emulation With Lattice Gas Cellular Automata |
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Lattice gas cellular automata (LGCA), as a fluid dynamic simulation method, are conceptually simple and can be applied to deal with thermal interface effects to a wide array of boundary conditions. Based on LGCA, the lattice Boltzmann method has been successfully used to model a number of typical continuous fluid dynamic problems. In this research, however, we extend the general Frisch, Hasslacher, and Pomeau method from LGCA to the microscopic scale to emulate the surface adsorption process. Specifically, hexagonal grids topology and geometry are applied in two dimensions with 6-bit digits to represent different states of each grid node. The rule space is then determined as 66. A two-dimensional porous network is constructed for simulating a practical adsorbent material structure. The lattice gas collision and movement are implemented within periodic space boundary conditions. Local rules of lattice gas interaction with network surface are defined and examined. The adsorption probabilities on each adsorptive site, corresponding to adsorption potential with relationship to temperature, are taken into account. As a result, an intuitive visualization of physical surface adsorption kinetics is achieved. |
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School of Mechanical and Aerospace Engineering |
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School of Mechanical and Aerospace Engineering Sun, Baichuan Fan, Wu Chakraborty, Anutosh |
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Article |
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Sun, Baichuan Fan, Wu Chakraborty, Anutosh |
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Sun, Baichuan |
title |
Adsorption Kinetics Emulation With Lattice Gas Cellular Automata |
title_short |
Adsorption Kinetics Emulation With Lattice Gas Cellular Automata |
title_full |
Adsorption Kinetics Emulation With Lattice Gas Cellular Automata |
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Adsorption Kinetics Emulation With Lattice Gas Cellular Automata |
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Adsorption Kinetics Emulation With Lattice Gas Cellular Automata |
title_sort |
adsorption kinetics emulation with lattice gas cellular automata |
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2017 |
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https://hdl.handle.net/10356/85777 http://hdl.handle.net/10220/43838 |
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