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Energy performance and economic analysis of a TIM-PCM wall under different climates.

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Title: Energy performance and economic analysis of a TIM-PCM wall under different climates.
Authors: Souayfane, Farah1,2, Biwole, Pascal Henry1,3,4 pascal.biwole@uca.fr, Fardoun, Farouk2,5, Achard, Patrick4
Source: Energy. Feb2019, Vol. 169, p1274-1291. 18p.
Subjects: Latent heat, Phase change materials, Insulating materials, Building envelopes, Computer simulation
Abstract: Abstract The application of an innovative translucent superinsulated latent heat storage wall, combining transparent insulation material and phase change materials (TIM-PCM wall), on the envelope of a typical office under different climates is evaluated. Energy and economic analysis related to this application are presented. The simulation process is carried out using an experimentally validated numerical model. The results show that the incorporation of the TIM-PCM wall, on the south orientation, is more efficient than the use of a double-glazed in all considered climates. The optimum TIM-PCM wall area is evaluated economically through life-cycle cost and payback period analysis. The purpose is to ensure effective performance of the wall in each climate and at the same time to ensure economic viability. The results show that, in polar and subarctic climates, the application of the TIM-PCM wall has a high economic value and the investment appears to be attractive, the payback period being 10.5 years and 7.8 years respectively. In Dras (continental climate), the use of the wall is found economically unfeasible due to low energy prices and high discount rates. At current prices, the TIM-PCM wall investment in Sacramento (Mediterranean climate) and Toronto (Humid continental) does not offer economic benefits. Highlights • Application of the TIM-PCM wall under different climates. • Energy and economic analysis related to the application of the TIM-PCM wall. • Evaluation of the optimum TIM-PCM wall area in each climatic condition. • Economic viability depends on climatic conditions, energy price and investment cost. [ABSTRACT FROM AUTHOR]
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Database: Engineering Source
Description
Abstract:Abstract The application of an innovative translucent superinsulated latent heat storage wall, combining transparent insulation material and phase change materials (TIM-PCM wall), on the envelope of a typical office under different climates is evaluated. Energy and economic analysis related to this application are presented. The simulation process is carried out using an experimentally validated numerical model. The results show that the incorporation of the TIM-PCM wall, on the south orientation, is more efficient than the use of a double-glazed in all considered climates. The optimum TIM-PCM wall area is evaluated economically through life-cycle cost and payback period analysis. The purpose is to ensure effective performance of the wall in each climate and at the same time to ensure economic viability. The results show that, in polar and subarctic climates, the application of the TIM-PCM wall has a high economic value and the investment appears to be attractive, the payback period being 10.5 years and 7.8 years respectively. In Dras (continental climate), the use of the wall is found economically unfeasible due to low energy prices and high discount rates. At current prices, the TIM-PCM wall investment in Sacramento (Mediterranean climate) and Toronto (Humid continental) does not offer economic benefits. Highlights • Application of the TIM-PCM wall under different climates. • Energy and economic analysis related to the application of the TIM-PCM wall. • Evaluation of the optimum TIM-PCM wall area in each climatic condition. • Economic viability depends on climatic conditions, energy price and investment cost. [ABSTRACT FROM AUTHOR]
ISSN:03605442
DOI:10.1016/j.energy.2018.12.116