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Numerical study of heat transfer characteristics of char from waste tire pyrolysis

  • SPECIAL FEATURE: ORIGINAL ARTICLE
  • 3rd 3R International Scientific Conference (3rd 3RINCs 2016)
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Abstract

To investigate heat transfer of char from waste tire pyrolysis, the cooling of char was simulated by the computational fluid dynamics. To scrutinize the heat transfer characteristics, bed height, temperature of cooling wall, and mixing time were selected as calculation parameters. From the results, increasing the char bed height from 0.005 to 0.02 m, the total heat transfer is decreased as from 45.5 to 26.5 J. As the char bed height is further increased from 0.02 to 0.06 m, the total heat transfer is decreased from 26.5 to 9.1 J. The char bed height affects the total heat transfer significantly. The total heat transfer decreases from 15.9 to 14.0 J as the temperature of cooling wall increases from 273.15 to 323.15 K. The total heat transfer mildly depends on the temperature of cooling wall. The particle mixing time increases from 10 to 120 s and the total heat transfer decreases from 28.6 to 22.6 J. It is noted that the particle contact is enhanced between char particles as well as the particles and cooling wall as the particle mixing time decreases. Consequently, heat transfer is augmented.

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Acknowledgements

This work was supported by the New & Renewable Energy of the Korea Institute of Energy Technology Evaluation and Planning (KETEP) grant funded by the Korea government Ministry of Knowledge Economy (No. 20143010091790). This work was supported by the Korea Institute of Energy Technology Evaluation and Planning (KETEP) and the Ministry of Trade, Industry & Energy (MOTIE) of the Republic of Korea (No. 20164030201250).

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Authors and Affiliations

  1. Department of Environmental Engineering, Yonsei University, 1 Yonseidae-gil, Wonju, Gangwon-do, 26493, Republic of Korea

    Hoon Chae Park & Hang Seok Choi

  2. Research and Business Development Center, Kolon Global Corporation, 46 Jeondae-ro 16beon-gil, Yongin, Gyeonggi-do, 17023, Republic of Korea

    Yeon-Ho Kwak

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  1. Hoon Chae Park
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  2. Hang Seok Choi
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Correspondence to Hang Seok Choi.

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Park, H.C., Choi, H.S. & Kwak, YH. Numerical study of heat transfer characteristics of char from waste tire pyrolysis. J Mater Cycles Waste Manag 19, 1077–1084 (2017). https://doi.org/10.1007/s10163-017-0598-0

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  • DOI: https://doi.org/10.1007/s10163-017-0598-0

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