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Parametric Analysis of Buildings’ Heat Load Depending on Glazing—Hungarian Case Study

Author

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  • Gábor L. Szabó

    (Department of Building Services and Building Engineering, Faculty of Engineering, University of Debrecen, 4028 Debrecen, Hungary)

  • Ferenc Kalmár

    (Department of Building Services and Building Engineering, Faculty of Engineering, University of Debrecen, 4028 Debrecen, Hungary)

Abstract

The share of cooling is rising in the energy balance of buildings. The reason is for increasing occupants’ comfort needs, which is accentuated by the fact that the number and the amplitude of heat waves are increasing. The comfortable and healthy indoor environment should to be realized with the minimum amount of energy and fossil fuels. In order to meet this goal, designers should know the effect of different parameters on the buildings’ energy consumption. The energy need for cooling is mainly influenced by the glazed ratio and orientation of the facades, the quality of glazing and shading. In this paper the heat load analysis was done by assuming different types of summer days and surface cooling, depending on the glazing ratio, shading factor and solar factor of glazing. It was proven that, for a certain parameter, the sensitivity of the heat load depends on the orientation and chosen summer day. If the glazing area is doubled, the heat load increases with about 30%. Decreasing the glazed area to 50%, the heat load decreases with about 10%. The heat load decreases with about 3% if the g factor is lowered with 25% or the shading factor is reduced with 60%.

Suggested Citation

  • Gábor L. Szabó & Ferenc Kalmár, 2018. "Parametric Analysis of Buildings’ Heat Load Depending on Glazing—Hungarian Case Study," Energies, MDPI, vol. 11(12), pages 1-16, November.
    • Handle: RePEc:gam:jeners:v:11:y:2018:i:12:p:3291-:d:185412
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    References listed on IDEAS

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