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Numerical Investigation of the Effect of Variable Baffle Spacing on the Thermal Performance of a Shell and Tube Heat Exchanger

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  • Halil Bayram

    (Faculty of Engineering, Department of Automotive Engineering, Uludağ University, Görükle, Bursa 16059, Turkey
    Faculty of Technology, Department of Automotive Engineering, Amasya University, Amasya 05100, Turkey)

  • Gökhan Sevilgen

    (Faculty of Engineering, Department of Automotive Engineering, Uludağ University, Görükle, Bursa 16059, Turkey)

Abstract

In this present study, numerical and theoretical analysis were both used to investigate the effect of the variable baffle spacing on the thermal characteristics of a small shell and tube heat exchanger. The numerical study was performed by using a three dimensional computational fluid dynamics (CFD) method and the computations were performed under steady-state conditions. We employed five different cases where the first had equal baffle spacing and the others had variable ones considering different configurations for balancing the pressure drop on the shell side. Theoretical calculations were run using the Bell-Delaware and Kern methods which are the most commonly used methods in the available literature. We show that the thermal performance of a shell and tube heat exchanger can be improved by evaluating together the results of the CFD and Bell-Delaware methods. From the numerical results, we can say that variable spacing with centered baffle spacing scheme can be proposed as an alternative shell side construction layout compared to an equal baffle spacing scheme. The numerical results were in good agreement with the theoretical data in the available literature.

Suggested Citation

  • Halil Bayram & Gökhan Sevilgen, 2017. "Numerical Investigation of the Effect of Variable Baffle Spacing on the Thermal Performance of a Shell and Tube Heat Exchanger," Energies, MDPI, vol. 10(8), pages 1-19, August.
    • Handle: RePEc:gam:jeners:v:10:y:2017:i:8:p:1156-:d:107294
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    Citations

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    Cited by:

    1. Gan Liu & Chen Yang & Junhui Zhang & Huaizhi Zong & Bing Xu & Jin-yuan Qian, 2020. "Internal Flow Analysis of a Heat Transfer Enhanced Tube with a Segmented Twisted Tape Insert," Energies, MDPI, vol. 13(1), pages 1-16, January.
    2. Beata Pytlik & Daniel Smykowski & Piotr Szulc, 2022. "The Impact of Baffle Geometry in the PCM Heat Storage Unit on the Charging Process with High and Low Water Streams," Energies, MDPI, vol. 15(24), pages 1-17, December.
    3. Chin, Hon Huin & Wang, Bohong & Varbanov, Petar Sabev & Klemeš, Jiří Jaromír & Zeng, Min & Wang, Qiu-Wang, 2020. "Long-term investment and maintenance planning for heat exchanger network retrofit," Applied Energy, Elsevier, vol. 279(C).
    4. Zhe Xu & Yingqing Guo & Haotian Mao & Fuqiang Yang, 2019. "Configuration Optimization and Performance Comparison of STHX-DDB and STHX-SB by A Multi-Objective Genetic Algorithm," Energies, MDPI, vol. 12(9), pages 1-20, May.
    5. Zhe Xu & Yingqing Guo & Huarui Yang & Haotian Mao & Zongling Yu & Rui Li, 2020. "One Convenient Method to Calculate Performance and Optimize Configuration for Annular Radiator Using Heat Transfer Unit Simulation," Energies, MDPI, vol. 13(1), pages 1-19, January.

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