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Experimentally Verified Flow Distribution Model for a Composite Modelling System

Author

Listed:
  • Dominika Babička Fialová

    (Faculty of Mechanical Engineering, Institute of Process Engineering, Brno University of Technology, 61669 Brno, Czech Republic)

  • Zdeněk Jegla

    (Faculty of Mechanical Engineering, Institute of Process Engineering, Brno University of Technology, 61669 Brno, Czech Republic)

Abstract

Requirements of modern process and power technologies for compact and highly efficient equipment for transferring large heat fluxes lead to designing these apparatuses as dense parallel flow systems, ranging from conventional to minichannel dimensions according to the specific industrial application. To avoid operating issues in such complex equipment, it is vital to identify not only the local distribution of heat flux in individual parts of the heat transfer surface but also the uniformity of fluid flow distribution inside individual parallel channels of the flow system. A composite modelling system is currently being developed for accurate design of such complex heat transfer equipment. The modeling approach requires a flow distribution model enabling to yield accurate-enough predictions in reasonable time frames. The paper presents the results of complex experimental and modeling investigation of fluid flow distribution in dividing headers of tubular-type equipment. Different modeling approaches were examined on a set of header geometries. Predictions obtained via analytical and numerical models were validated using data from the experiments conducted on additively manufactured header samples. Two case studies employing parallel flow systems (mini-scale systems and a conventional-size heat exchanger) demonstrated the applicability of the distribution model and the accuracy of the composite modelling system.

Suggested Citation

  • Dominika Babička Fialová & Zdeněk Jegla, 2021. "Experimentally Verified Flow Distribution Model for a Composite Modelling System," Energies, MDPI, vol. 14(6), pages 1-24, March.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:6:p:1778-:d:522729
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    References listed on IDEAS

    as
    1. Bohuslav Kilkovský, 2020. "Review of Design and Modeling of Regenerative Heat Exchangers," Energies, MDPI, vol. 13(3), pages 1-27, February.
    2. Dominika Fialová & Zdeněk Jegla, 2019. "Analysis of Fired Equipment within the Framework of Low-Cost Modelling Systems," Energies, MDPI, vol. 12(3), pages 1-17, February.
    3. Sylwia Hożejowska & Magdalena Piasecka, 2020. "Numerical Solution of Axisymmetric Inverse Heat Conduction Problem by the Trefftz Method," Energies, MDPI, vol. 13(3), pages 1-14, February.
    4. Tomáš Létal & Vojtěch Turek & Dominika Babička Fialová & Zdeněk Jegla, 2020. "Nonlinear Finite Element Analysis-Based Flow Distribution and Heat Transfer Model," Energies, MDPI, vol. 13(7), pages 1-20, April.
    5. Michał Klugmann & Paweł Dąbrowski & Dariusz Mikielewicz, 2019. "Flow Boiling in Minigap in the Reversed Two-Phase Thermosiphon Loop," Energies, MDPI, vol. 12(17), pages 1-22, September.
    6. Wei, Min & Fan, Yilin & Luo, Lingai & Flamant, Gilles, 2017. "Design and optimization of baffled fluid distributor for realizing target flow distribution in a tubular solar receiver," Energy, Elsevier, vol. 136(C), pages 126-134.
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    Cited by:

    1. Peng Sun & Yiping Lu & Jianfei Tong & Youlian Lu & Tianjiao Liang & Lingbo Zhu, 2021. "Study on the Convective Heat Transfer and Fluid Flow of Mini-Channel with High Aspect Ratio of Neutron Production Target," Energies, MDPI, vol. 14(13), pages 1-15, July.
    2. Magdalena Piasecka, 2023. "Heat and Mass Transfer Issues in Mini-Gaps," Energies, MDPI, vol. 16(16), pages 1-6, August.

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