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<p>In the pursuit of sustainable and energy-efficient construction solutions, a comprehensive investigation into the thermal performance of 3D-printed concrete lattice walls was performed through a combination of experimental testing and CFD numerical modeling, aiming to uncover the underlying mechanism, direction and magnitude of heat flow affecting thermal transmittance. A calibrated numerical model accurately predicted their thermal performance, underscoring the reliability of the proposed model. Based on the model suggested heat-transfer mechanism, we expand the design space, aiming to uncover configurations that exhibit superior performance with insulation material. The results indicate lowest <i>U</i> value (0.79&#xa0;W/m<sup>2</sup>K) of modified partially insulated lattice wall, surpassing the studied lattice configurations. This study offers a critical evaluation of lattice-wall design to develop thermally efficient cost-effective concrete wall,&#xa0;that align with the growing demand for lightweight, functional structures in built environment.</p>

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A comprehensive assessment of thermal performance of 3D printed concrete lattice walls

  • 期刊论文

  • 发表日期：

    2025年3月16日

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  • Dhrutiman Dey,
  • Biranchi Panda,
  • Yash Shukla,
  • Rajan Rawal

摘要

In the pursuit of sustainable and energy-efficient construction solutions, a comprehensive investigation into the thermal performance of 3D-printed concrete lattice walls was performed through a combination of experimental testing and CFD numerical modeling, aiming to uncover the underlying mechanism, direction and magnitude of heat flow affecting thermal transmittance. A calibrated numerical model accurately predicted their thermal performance, underscoring the reliability of the proposed model. Based on the model suggested heat-transfer mechanism, we expand the design space, aiming to uncover configurations that exhibit superior performance with insulation material. The results indicate lowest U value (0.79 W/m2K) of modified partially insulated lattice wall, surpassing the studied lattice configurations. This study offers a critical evaluation of lattice-wall design to develop thermally efficient cost-effective concrete wall, that align with the growing demand for lightweight, functional structures in built environment.