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Numerical and Experimental Study of a Novel Additively Manufactured Metal-Polymer Composite Heat-Exchanger for Liquid Cooling Electronics

Author

Listed:
  • Gargi Kailkhura

    (Advanced Heat Exchangers and Process Intensification (AHXPI) Laboratory, Department of Mechanical Engineering, University of Maryland, College Park, MD 20742, USA)

  • Raphael Kahat Mandel

    (Advanced Heat Exchangers and Process Intensification (AHXPI) Laboratory, Department of Mechanical Engineering, University of Maryland, College Park, MD 20742, USA)

  • Amir Shooshtari

    (Advanced Heat Exchangers and Process Intensification (AHXPI) Laboratory, Department of Mechanical Engineering, University of Maryland, College Park, MD 20742, USA)

  • Michael Ohadi

    (Advanced Heat Exchangers and Process Intensification (AHXPI) Laboratory, Department of Mechanical Engineering, University of Maryland, College Park, MD 20742, USA)

Abstract

In order to meet increasing power-dissipation requirements of the electronics industry, compact, low-cost, and lightweight heat exchangers (HXs) are desired. With proper design, materials, and manufacture, polymer composite heat exchangers could meet these requirements. This paper presents a novel crossflow air-to-water, low-cost, and lightweight metal-polymer composite HX. This HX, which is entirely additively manufactured, utilizes a novel cross-media approach that provides direct heat exchange between air and liquid sides by using connecting fins. A robust numerical model was developed, which includes the dimensional effects of additive manufacturing. The study consists of a simplified 3D CFD model based on ellipsoidal-shaped staggered tube banks for the laminar range. It then uses an analytical approach to compute entire HX performance. The model is validated experimentally within 8% for thermal performance, 12% for air-side impedance, and 18% for water-side impedance. Finally, HX is compared with a conventional CPU radiator and performs within 10% of the conventional unit for reasonable flow rates and pressure-drop ranges. Moreover, HX also provides added design and cost advantages over the conventional unit, which makes the HX a potential candidate for electronic cooling applications.

Suggested Citation

  • Gargi Kailkhura & Raphael Kahat Mandel & Amir Shooshtari & Michael Ohadi, 2022. "Numerical and Experimental Study of a Novel Additively Manufactured Metal-Polymer Composite Heat-Exchanger for Liquid Cooling Electronics," Energies, MDPI, vol. 15(2), pages 1-22, January.
  • Handle: RePEc:gam:jeners:v:15:y:2022:i:2:p:598-:d:725073
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    References listed on IDEAS

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    1. Chen, Xiangjie & Su, Yuehong & Reay, David & Riffat, Saffa, 2016. "Recent research developments in polymer heat exchangers – A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 60(C), pages 1367-1386.
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    Cited by:

    1. Piotr Duda & Mariusz Konieczny, 2022. "An Iterative Algorithm for the Estimation of Thermal Boundary Conditions Varying in Both Time and Space," Energies, MDPI, vol. 15(7), pages 1-13, April.
    2. Gargi Kailkhura & Raphael Kahat Mandel & Amir Shooshtari & Michael Ohadi, 2022. "A 1D Reduced-Order Model (ROM) for a Novel Latent Thermal Energy Storage System," Energies, MDPI, vol. 15(14), pages 1-30, July.

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