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Assessment of flow and heat transfer of triply periodic minimal surface based heat exchangers

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Listed:
  • Wang, Jinghan
  • Chen, Kai
  • Zeng, Min
  • Ma, Ting
  • Wang, Qiuwang
  • Cheng, Zhilong

Abstract

An efficient intermediate heat exchanger is crucial for ensuring the safe operation, lifespan and energy efficiency of the advanced nuclear systems. Benefiting from the development of additive manufacturing technology, it is possible to design and optimize heat exchangers by introducing triply periodic minimal surface (TPMS) structures. With the excellent mechanical and thermal performance of TPMS, further improvements in the energy efficiency of advanced nuclear systems are achievable. In this study, I-WP surface, Primitive surface based heat exchangers and a printed circuit heat exchanger for accelerator driven subcritical systems are constructed in three dimensions. In order to obtain the potential enhancement of thermal performance of TPMS-based heat exchangers, the fluid flow and conjugate heat transfer characteristics in TPMS heat exchangers, especially for the specific working medium of lead-bismuth eutectic (LBE) are investigated. A parametric analysis is conducted on the key design variables including the solid volume fraction and hydraulic diameter. The results indicate that TPMS-based heat exchangers could achieve about 2–3 times the total heat transfer rate with half the volume of a printed circuit heat exchanger. The TPMS topologies contribute greater heat transfer enhancement on the Helium side than the LBE side, which helps to optimize the thermal resistance allocation in Helium-LBE heat exchangers. An increase of solid volume fraction enhances the convective heat transfer of Helium in I-WP heat exchanger, while homogenizing the local thermal performance. This study provides a database for the design and optimization of TPMS-based heat exchangers, which contributes to the sustainable future target.

Suggested Citation

  • Wang, Jinghan & Chen, Kai & Zeng, Min & Ma, Ting & Wang, Qiuwang & Cheng, Zhilong, 2023. "Assessment of flow and heat transfer of triply periodic minimal surface based heat exchangers," Energy, Elsevier, vol. 282(C).
    • Handle: RePEc:eee:energy:v:282:y:2023:i:c:s0360544223022004
    DOI: 10.1016/j.energy.2023.128806
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    References listed on IDEAS

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    1. Lesmana, Luthfan Adhy & Aziz, Muhammad, 2023. "Adoption of triply periodic minimal surface structure for effective metal hydride-based hydrogen storage," Energy, Elsevier, vol. 262(PA).
    2. Kirttayoth Yeranee & Yu Rao, 2022. "A Review of Recent Investigations on Flow and Heat Transfer Enhancement in Cooling Channels Embedded with Triply Periodic Minimal Surfaces (TPMS)," Energies, MDPI, vol. 15(23), pages 1-29, November.
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    Cited by:

    1. Mohamad Ziad Saghir & Mohammad Yahya, 2024. "Convection Heat Transfer and Performance Analysis of a Triply Periodic Minimal Surface (TPMS) for a Novel Heat Exchanger," Energies, MDPI, vol. 17(17), pages 1-17, August.

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