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Thermal Performance of Slotted Light Steel-Framed Composite Wall

Author

Listed:
  • Zhijian Yang

    (School of Civil Engineering, Shenyang Jianzhu University, Shenyang 110168, China)

  • Lisuo Sun

    (School of Civil Engineering, Shenyang Jianzhu University, Shenyang 110168, China)

  • Bo Nan

    (College of Water Conservancy, Shenyang Agricultural University, Shenyang 110168, China)

  • Shunli Wei

    (School of Civil Engineering, Shenyang Jianzhu University, Shenyang 110168, China)

Abstract

In this study, calibrated hot box and finite element simulation methods were used to study the influence of a slotted web on the thermal performance of a lightweight steel stud composite wall. By comparing the results from the simulations and experiments, the accuracy of the finite element method was verified; this method was then used for parameter analyses. The results showed that the wall’s thermal transfer coefficient is inversely proportional to increases in the length of the slot and height of the stud web, leading to improvements in the thermal insulation effect; vice versa, the wall thermal transfer coefficient increases when the slot transverse spacing and stud thickness increase, and the insulation effect correspondingly worsens. The stud spacing influences the insulation performance of the wall by changing the proportion of studs within a certain wall. The greater the proportion of studs, the greater the stud thermal bridging, the faster the thermal loss, and the worse the insulation effect of the wall. In practice, the height of the stud web can be set as required. Preferably, for practical applications, the number of rows of slots is 5–7, the length of the slots is 70–80 mm, the transverse distance of the slots is 6–8 mm, the thickness of each stud is 1 or 1.2 mm, and the distance of each stud is 600 mm.

Suggested Citation

  • Zhijian Yang & Lisuo Sun & Bo Nan & Shunli Wei, 2023. "Thermal Performance of Slotted Light Steel-Framed Composite Wall," Energies, MDPI, vol. 16(5), pages 1-15, March.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:5:p:2482-:d:1088467
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