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CFD simulation and optimization of ICEs exhaust heat recovery using different coolants and fin dimensions in heat exchanger

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Abstract

In this paper, finned type heat exchangers with different fin dimensions in the exhaust of a gasoline engine are modeled numerically for improving the exhaust energy recovery. RNG k-ε viscous model is used and the results are compared with available experimental data presented by Lee and Bae (Int J Therm Sci 47:468–478, 2008) where a good agreement is observed. Also, the effect of fin numbers, fin length and three water-based nanofluid coolants (TiO2, Fe2O3 and CuO) on the heat recovery efficiency are investigated in different engine loads. As a main outcome, results show that increasing the fin numbers and using TiO2-water as cold fluid are the most effective methods for heat recover. Furthermore, an optimization analysis is performed to find the best fins dimensions using response surface methodology.

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Acknowledgments

The authors gratefully acknowledge the respected reviewers for their helpful comments and suggestions. Also, first author (M. Hatami) sincerely appreciates Dr. S. Lee for the experimental data presented in Ref. [12] and his constructive and scientific guidance for validating the results.

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Authors and Affiliations

  1. Department of Mechanical Engineering, Babol University of Technology, Babol, Iran

    M. Hatami, D. D. Ganji & M. Gorji-Bandpy

Authors
  1. M. Hatami
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  2. D. D. Ganji
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  3. M. Gorji-Bandpy
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Corresponding author

Correspondence to M. Hatami.

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Hatami, M., Ganji, D.D. & Gorji-Bandpy, M. CFD simulation and optimization of ICEs exhaust heat recovery using different coolants and fin dimensions in heat exchanger. Neural Comput & Applic 25, 2079–2090 (2014). https://doi.org/10.1007/s00521-014-1695-9

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  • DOI: https://doi.org/10.1007/s00521-014-1695-9

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