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Velocity profiles between two baffles in a shell and tube heat exchanger

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Abstract

Heat exchangers are extensively utilized for waste heat recovery, oil refining, chemical processing, and steam generation. In this study, velocity profiles are measured using a 3D particle image velocimetry (PIV) system between two baffles in a shell and tube heat exchanger for parallel and counter flows. The PIV and computational fluid dynamics results show the occurrence of some strong vectors near the bottom. These vectors are assumed due to the clearance between the inner tubes and the front baffle. Therefore, the major parts of the vectors are moved out through the bottom opening of the rear baffle, and other vectors produce a large circle between the two baffles. Numerical simulations are conducted to investigate the effects of the baffle on the heat exchanger using the Fluent software. The k–ε turbulence model is employed to calculate the flows along the heat exchanger.

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Author information

Authors and Affiliations

  1. Senior Research Fellow of RESEAT, Korea Institute of Science and Technology Information, Deaejeon, South Korea

    Tae-Hyun Chang

  2. Korea Institute of Science and Technology Information, Deaejeon, South Korea

    Chang-Hoan Lee

  3. Postdoctoral Research Fellow, School of Mechanical Engineering of Kyungnam University, Changwon, South Korea

    Hae-Soo Lee

  4. International University of Korea, Jinju-si, South Korea

    Kwon-Soo Lee

Authors
  1. Tae-Hyun Chang
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  2. Chang-Hoan Lee
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  3. Hae-Soo Lee
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  4. Kwon-Soo Lee
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Additional information

This research was supported by the RESEAT program funded by the Ministry of Science, ICT and Future Planning, through the National Research Foundation of Korea and the Korea Lottery Commission grants.

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Chang, TH., Lee, CH., Lee, HS. et al. Velocity profiles between two baffles in a shell and tube heat exchanger. J. Therm. Sci. 24, 356–363 (2015). https://doi.org/10.1007/s11630-015-0795-x

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  • DOI: https://doi.org/10.1007/s11630-015-0795-x

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