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Origami microfluidics for radiant cooling with small temperature differences in buildings

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  • Grinham, Jonathan
  • Craig, Salmaan
  • Ingber, Donald E.
  • Bechthold, Martin

Abstract

Design and fabrication methods translated from microfluidics, microelectromechanical systems, origami, and biologically inspired engineering may offer efficiency improvements for water-based thermoregulation in buildings. This paper introduces foldable radiant cooling devices that are fabricated by lamination with integrated microfluidic water-circuits. These devices produce more surface convection because of their geometry and because they have more surface area than flat panels. As a result, lukewarm water instead of chilled water may be sufficient for cooling a room, leading to potential savings in primary energy use and lifecycle greenhouse gas emissions. Analytical models and physical experiments show a 55–67% improvement in thermal performance when comparing these novel folded surfaces to flat surfaces, mainly due to the improved convection heat transfer.

Suggested Citation

  • Grinham, Jonathan & Craig, Salmaan & Ingber, Donald E. & Bechthold, Martin, 2020. "Origami microfluidics for radiant cooling with small temperature differences in buildings," Applied Energy, Elsevier, vol. 277(C).
    • Handle: RePEc:eee:appene:v:277:y:2020:i:c:s030626192031117x
    DOI: 10.1016/j.apenergy.2020.115610
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    References listed on IDEAS

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    1. Meggers, Forrest & Ritter, Volker & Goffin, Philippe & Baetschmann, Marc & Leibundgut, Hansjürg, 2012. "Low exergy building systems implementation," Energy, Elsevier, vol. 41(1), pages 48-55.
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    Cited by:

    1. Chen, Wanhe & Yin, Yonggao & Zhao, Xingwang & Fan, Fangsu & Cao, Bowen & Ji, Qiang & Xu, Guoying, 2023. "Sepiolite based humidity-control coating specially for alleviate the condensation problem of radiant cooling panel," Energy, Elsevier, vol. 272(C).
    2. Tyler R. Stevens & Nathan B. Crane & Rydge B. Mulford, 2023. "Topology Morphing Insulation: A Review of Technologies and Energy Performance in Dynamic Building Insulation," Energies, MDPI, vol. 16(19), pages 1-38, October.
    3. Mohammad Hakim Mohd Radzai & Chong Tak Yaw & Chin Wai Lim & Siaw Paw Koh & Nur Amirani Ahmad, 2021. "Numerical Analysis on the Performance of a Radiant Cooling Panel with Serpentine-Based Design," Energies, MDPI, vol. 14(16), pages 1-20, August.

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