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Numerical Investigation of the Two-Phase Closed Thermosyphon Operating with Non-Uniform Heat Flux Profiles

Author

Listed:
  • Zhao Wang

    (Department of Mechanical, Aerospace and Civil Engineering, The University of Manchester, Manchester M13 9PL, UK)

  • Ali Turan

    (Independent Researcher, Manchester M22 4ES, UK)

  • Timothy Craft

    (Department of Mechanical, Aerospace and Civil Engineering, The University of Manchester, Manchester M13 9PL, UK)

Abstract

The two-phase closed thermosyphon (TPCT) or wickless heat pipe has been widely considered as an extremely effective and low-cost heat removal device for various applications. A computational fluid dynamics (CFD) investigation of the TPCT can provide detailed information regarding its design and development. In this study, the effect of non-uniform heat-input profiles on a vertical TPCT has been investigated. A CFD model has been built to simulate the evaporation and condensation processes within the TPCT investigated, using a solver based on OpenFOAM which has been modified and validated against experimental data reported in the open literature. Four non-uniform heating profiles of the TPCT have been investigated, and the effects these have on the internal flow field within the pipe are discussed. Simulation results show that the non-uniform heat flux profiles can impact thermal performance depending on the overall heat loading and the heat flux profile.

Suggested Citation

  • Zhao Wang & Ali Turan & Timothy Craft, 2023. "Numerical Investigation of the Two-Phase Closed Thermosyphon Operating with Non-Uniform Heat Flux Profiles," Energies, MDPI, vol. 16(13), pages 1-14, July.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:13:p:5141-:d:1186154
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