Variable density concrete walls engineered for energy performance (2014)
This paper investigates the energy performance of variable density concrete wall panels that combine the thermal insulation of a layer of lightweight concrete with the thermal mass of a layer of structural concrete. The effect of layer thickness and thermal conductivity on wall energy performance is assessed by determining the equivalent U-factors of different wall panel designs at eight temperate locations. The analysis indicates that variable density concrete panels can be engineered to achieve net-zero wall energy performance, although heat may have to be actively added to a panel in order to achieve this level of performance at cool locations. A simulation analysis of the energy performance of a house constructed with variable density wall panels is conducted using the ESP-r simulation program. This analysis indicates that variable density concrete wall panels are suitable for use in netzero energy houses, especially in warm temperate locations.
CitationBellamy LA. Variable density concrete walls engineered for energy performance (2014). ICBEST 2014.
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ANZSRC Fields of Research09 - Engineering::0907 - Environmental Engineering::090701 - Environmental Engineering Design
12 - Built Environment and Design::1204 - Engineering Design
40 - Engineering::4005 - Civil engineering::400505 - Construction materials
12 - Built Environment and Design::1201 - Architecture::120104 - Architectural Science and Technology (incl. Acoustics, Lighting, Structure and Ecologically Sustainable Design)
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