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Experimental Study of the Corrugation Profile Effect on the Local Heat Transfer Coefficient

Author

Listed:
  • Muhammad Waheed Azam

    (Department of Architecture and Engineering, University of Parma, Parco Area delle Scienze 181/A, 43124 Parma, Italy)

  • Luca Cattani

    (Department of Architecture and Engineering, University of Parma, Parco Area delle Scienze 181/A, 43124 Parma, Italy)

  • Matteo Malavasi

    (Department of Architecture and Engineering, University of Parma, Parco Area delle Scienze 181/A, 43124 Parma, Italy)

  • Fabio Bozzoli

    (Department of Architecture and Engineering, University of Parma, Parco Area delle Scienze 181/A, 43124 Parma, Italy
    SITEIA.PARMA Interdepartmental Centre, University of Parma, Parco Area delle Scienze 181/A, 43124 Parma, Italy)

Abstract

This paper introduces an inverse study method applied to an experimental dataset of infrared temperature acquisitions to determine the local convective heat transfer coefficient of the turbulent flow inside a duct with corrugated surfaces. The study focuses on six tubes with different corrugation profiles: helical, transversal, and cross-helical. Previous research has shown that transversal corrugation generates the highest improvement in heat transfer performance, while helical corrugations are the easiest to manufacture. Consequently, the single helix solution is the preferred one in heat exchangers adopted in the food industry. A merger solution between them is represented by the cross-helix profile. The estimation process proposed in this study employs the external surface temperature of the tube, acquired with an infrared thermal camera, as starting data for the inverse heat conduction problem inside the pipe wall region. The calculation of its Laplacian was finally achieved by a filtering technique applied to the infrared temperature acquisitions.

Suggested Citation

  • Muhammad Waheed Azam & Luca Cattani & Matteo Malavasi & Fabio Bozzoli, 2023. "Experimental Study of the Corrugation Profile Effect on the Local Heat Transfer Coefficient," Energies, MDPI, vol. 16(20), pages 1-21, October.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:20:p:7181-:d:1264305
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    References listed on IDEAS

    as
    1. Xiuzhen Li & Shijie Liu & Xun Mo & Zhaoyang Sun & Guo Tian & Yifan Xin & Dongsheng Zhu, 2023. "Investigation on Convection Heat Transfer Augment in Spirally Corrugated Pipe," Energies, MDPI, vol. 16(3), pages 1-17, January.
    2. Andrés Mateo-Gabín & Miguel Chávez & Jesús Garicano-Mena & Eusebio Valero, 2021. "Wavy Walls, a Passive Way to Control the Transition to Turbulence. Detailed Simulation and Physical Explanation," Energies, MDPI, vol. 14(13), pages 1-13, June.
    3. Seyed Soheil Mousavi Ajarostaghi & Mohammad Zaboli & Hossein Javadi & Borja Badenes & Javier F. Urchueguia, 2022. "A Review of Recent Passive Heat Transfer Enhancement Methods," Energies, MDPI, vol. 15(3), pages 1-60, January.
    4. Ki-Bea Hong & Dong-Woo Kim & Jihyun Kwark & Jun-Seok Nam & Hong-Sun Ryou, 2021. "Numerical Study on the Effect of the Pipe Groove Height and Pitch on the Flow Characteristics of Corrugated Pipe," Energies, MDPI, vol. 14(9), pages 1-15, May.
    5. Piotr Duda, 2023. "Heat Transfer Coefficient Distribution—A Review of Calculation Methods," Energies, MDPI, vol. 16(9), pages 1-21, April.
    6. Kyle Shank & Saeed Tiari, 2023. "A Review on Active Heat Transfer Enhancement Techniques within Latent Heat Thermal Energy Storage Systems," Energies, MDPI, vol. 16(10), pages 1-27, May.
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