Modeling of Loop Heat Pipe Thermal Performance

Authors

  • Inès Gabsi University of Carthage, Institut National des Sciences Appliquées et de Technologie (INSAT), Laboratoire Matériaux, Mesures et Applications (MMA) LR11ES25, Centre Urbain Nord, BP N°676, 1080 Tunis, Tunisia
  • Samah Maalej University of Carthage, Institut National des Sciences Appliquées et de Technologie (INSAT), Laboratoire Matériaux, Mesures et Applications (MMA) LR11ES25, Centre Urbain Nord, BP N°676, 1080 Tunis, Tunisia
  • Mohamed Chaker Zaghdoudi University of Carthage, Institut National des Sciences Appliquées et de Technologie (INSAT), Laboratoire Matériaux, Mesures et Applications (MMA) LR11ES25, Centre Urbain Nord, BP N°676, 1080 Tunis, Tunisia

DOI:

https://doi.org/10.37934/arfmts.81.1.4172

Keywords:

Loop heat pipe, modeling, capillary structure, electronics cooling

Abstract

The present work deals with the heat transfer performance of a copper-water loop heat pipe (LHP) with a flat oval evaporator in steady-state operation. Modeling the heat transfer in the evaporator was particularly studied, and the evaporation heat transfer coefficient was determined from a dimensionless correlation developed based on experimental data from the literature. The model was based on steady-state energy balance equations for each LHP component. The model results were compared to the experimental ones for various heat loads, cooling temperatures, and elevations, and a good agreement was obtained. Finally, a parametric study was conducted to show the effects of different key parameters, such as the axial conductive heat leaks between the evaporator and the compensation chamber cases, the capillary structure porosity and material, and the groove dimensions.

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Published

2021-03-11

How to Cite

Gabsi, I., Maalej, S., & Zaghdoudi, M. C. (2021). Modeling of Loop Heat Pipe Thermal Performance. Journal of Advanced Research in Fluid Mechanics and Thermal Sciences, 81(1), 41–72. https://doi.org/10.37934/arfmts.81.1.4172
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