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Heat Transfer Research
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ISSN Druckformat: 1064-2285
ISSN Online: 2162-6561

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Heat Transfer Research

DOI: 10.1615/HeatTransRes.2014007318
pages 123-140

SIMULATION STUDY OF THE ADSORPTION DYNAMICS OF CYLINDRICAL SILICA GEL PARTICLES

S Mitra
National University of Singapore, department of Mechanical Engineering
Seung Taek Oh
Interdisciplinary Graduate School of Engineering Sciences, Kyushu University, Kasuga-koen 6-1, Kasuga-Shi, Fukuoka, 819-0395, Japan
Bidyut Baran Saha
International Institute for Carbon-Neutral Energy Research (WPI-I2CNER), Kyushu University 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan; Kyushu University Program for Leading Graduate School, Green Asia Education Center Interdisciplinary Graduate School of Engineering Sciences, Kyushu University, Kasuga-koen 6-1 Kasuga-shi, Fukuoka 816-8580, Japan; Mechanical Engineering Department, Kyushu University 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
Pradip Dutta
Dept. of Mechanical Engineering Indian Institute of Science Bangalore, INDIA
K. Srinivasan
Department of Mechanical Engineering, Indian Institute of Science, Bangalore 560 012, India

ABSTRAKT

The paper presents a simulation study of loose cylindrically shaped particles packed within a copper plate and aluminum fins. The model presented solves coupled heat and mass transfer equations using the finite volume method based on ANSYS FLUENT medium. Three different arrangements of cylindrical particles are considered. The model is validated with experimental data. It is found that the arrangements which represented monolayer configurations are only marginally better in heat transfer and uptake efficiency than the tri-layer configuration in the presence of fins. However, there is an appreciable difference in the uptake curve between mono-and tri-layer configurations in the absence of fins. Finally, it is found that the fin pitch also plays an important role in determining the time constant for the adsorber design.


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