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Improvement of Flow Distribution by New Inlet Header Configuration with Splitter Plates for Plate-Fin Heat Exchanger

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  • Xiang Peng

    (Key Laboratory of E&M, Zhejiang University of Technology, Hangzhou 310014, China
    State Key Laboratory of Fluid Power and Mechatronic Systems, Zhejiang University, Hangzhou 310027, China)

  • Denghong Li

    (Key Laboratory of E&M, Zhejiang University of Technology, Hangzhou 310014, China)

  • Jiquan Li

    (Key Laboratory of E&M, Zhejiang University of Technology, Hangzhou 310014, China)

  • Shaofei Jiang

    (Key Laboratory of E&M, Zhejiang University of Technology, Hangzhou 310014, China)

  • Qilong Gao

    (Key Laboratory of E&M, Zhejiang University of Technology, Hangzhou 310014, China)

Abstract

The pressure drop increases along with the decrease in the flow maldistribution in the two-stage distributing inlet headers of a plate-fin heat exchanger. To solve this issue, we proposed a new inlet header configuration with splitter plates to decrease the flow maldistribution and pressure drop simultaneously. We used computational fluid dynamic technology to analyze the flow properties in the inlet header configuration and calculated the flow maldistribution degree of the outlet channels and the pressure drop in the inlet header. We performed a sensitivity analysis between the structural parameters, the flow maldistribution degree, and the pressure drop. We determined the optimum values of the structural parameters (the construction of transition duct, the number of splitter plates, the inclined angle of outermost plates, the height of splitter plates, the height of inlet header, etc.), and acquired the optimum configuration of the improved inlet header. Compared with the traditional inlet header, the flow maldistribution degree and pressure drop decreased by 91.5% and 40.9%, respectively, using the proposed improved inlet header with splitter plates, which performed better than the conventional two-stage distribution inlet header.

Suggested Citation

  • Xiang Peng & Denghong Li & Jiquan Li & Shaofei Jiang & Qilong Gao, 2020. "Improvement of Flow Distribution by New Inlet Header Configuration with Splitter Plates for Plate-Fin Heat Exchanger," Energies, MDPI, vol. 13(6), pages 1-14, March.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:6:p:1323-:d:331654
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    References listed on IDEAS

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    1. Arkadiusz Brenk & Pawel Pluszka & Ziemowit Malecha, 2018. "Numerical Study of Flow Maldistribution in Multi-Plate Heat Exchangers Based on Robust 2D Model," Energies, MDPI, vol. 11(11), pages 1-17, November.
    2. Yuan Xue & Zhihua Ge & Xiaoze Du & Lijun Yang, 2018. "On the Heat Transfer Enhancement of Plate Fin Heat Exchanger," Energies, MDPI, vol. 11(6), pages 1-18, May.
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    Cited by:

    1. Kyung Rae Kim & Jae Keun Lee & Hae Do Jeong & Yul Ho Kang & Young Chull Ahn, 2020. "Numerical and Experimental Study of Air-to-Air Plate Heat Exchangers with Plain and Offset Strip Fin Shapes," Energies, MDPI, vol. 13(21), pages 1-13, October.
    2. Mustansar Hayat Saggu & Nadeem Ahmed Sheikh & Usama Muhamad Niazi & Muhammad Irfan & Adam Glowacz & Stanislaw Legutko, 2020. "Improved Analysis on the Fin Reliability of a Plate Fin Heat Exchanger for Usage in LNG Applications," Energies, MDPI, vol. 13(14), pages 1-16, July.
    3. Natalia Rydalina & Elena Antonova & Irina Akhmetova & Svetlana Ilyashenko & Olga Afanaseva & Vincenzo Bianco & Alexander Fedyukhin, 2020. "Analysis of the Efficiency of Using Heat Exchangers with Porous Inserts in Heat and Gas Supply Systems," Energies, MDPI, vol. 13(22), pages 1-13, November.
    4. Mingkan Zhang & Cheng-Min Yang & Kai Li & Kashif Nawaz, 2023. "Reducing the Flow Maldistribution in Heat Exchangers through a Novel Polymer Manifold: Numerical Evaluation," Energies, MDPI, vol. 16(20), pages 1-15, October.
    5. Mustansar Hayat Saggu & Nadeem Ahmed Sheikh & Usama Muhammad Niazi & Muhammad Irfan & Adam Glowacz, 2020. "Predicting the Structural Reliability of LNG Processing Plate-Fin Heat Exchanger for Energy Conservation," Energies, MDPI, vol. 13(9), pages 1-22, May.
    6. Azeez mohammed Hussein, Hind & Zulkifli, Rozli & Faizal Bin Wan Mahmood, Wan Mohd & Ajeel, Raheem K., 2022. "Structure parameters and designs and their impact on performance of different heat exchangers: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 154(C).

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