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Experimental Study and CFD Modeling of Fluid Flow and Heat Transfer Characteristics in a Mini-Channel Heat Sink Using Simcenter STAR-CCM+ Software

Author

Listed:
  • Magdalena Piasecka

    (Faculty of Mechatronics and Mechanical Engineering, Kielce University of Technology, Al. Tysiaclecia Panstwa Polskiego 7, 25-314 Kielce, Poland)

  • Artur Piasecki

    (Echo Investment S.A., Al. Solidarności 36, 25-323 Kielce, Poland)

  • Norbert Dadas

    (Faculty of Mechatronics and Mechanical Engineering, Kielce University of Technology, Al. Tysiaclecia Panstwa Polskiego 7, 25-314 Kielce, Poland)

Abstract

The present work describes an experimental study and CFD modeling of fluid flow and heat transfer characteristics in a heat sink with several asymmetrical heated mini-channels. The data from the experimental research were the basis for numerical calculations. During experiments, the temperature measurement of the outer heater surface was performed by infrared thermography to verify the results of numerical calculations performed in Simcenter STAR-CCM+ software. The main objective was to determine the values of the parameters tested to evaluate the intensity of the heat transfer processes. In the numerical simulations, important variables, mainly the working fluid, heater material, the spatial orientation of the test section, and the number of mini-channels, were assumed. The results of the numerical computations were discussed. Due to simulations, it was possible to indicate which parameters tested in terms of heat transfer turned out to be the most effective. Furthermore, a mesh dependency analysis based on the grid convergence index ( GCI ) was performed. The residuals, as good indicators of convergence, achieved low values. Generally, the data presented showed satisfactory convergence of the results achieved as a result of the computational procedure.

Suggested Citation

  • Magdalena Piasecka & Artur Piasecki & Norbert Dadas, 2022. "Experimental Study and CFD Modeling of Fluid Flow and Heat Transfer Characteristics in a Mini-Channel Heat Sink Using Simcenter STAR-CCM+ Software," Energies, MDPI, vol. 15(2), pages 1-20, January.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:2:p:536-:d:723294
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    References listed on IDEAS

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    1. Wajs, Jan & Kura, Tomasz & Mikielewicz, Dariusz & Fornalik-Wajs, Elzbieta & Mikielewicz, Jarosław, 2022. "Numerical analysis of high temperature minichannel heat exchanger for recuperative microturbine system," Energy, Elsevier, vol. 238(PA).
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    Cited by:

    1. Magdalena Piasecka & Sylwia Hożejowska & Anna Pawińska & Dariusz Strąk, 2022. "Heat Transfer Analysis of a Co-Current Heat Exchanger with Two Rectangular Mini-Channels," Energies, MDPI, vol. 15(4), pages 1-19, February.

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