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http://dx.doi.org/10.11004/kosacs.2013.4.2.015

Evaluation on Total Energy Consumption of Low-Energy House with Structural Insulated Panels  

Lee, Hyeon-Ju (Korea Electric Power Research Institute)
Nah, Hwan-Seon (Korea Electric Power Research Institute)
Jo, Hye-Jin (Korea Electric Power Research Institute)
Choi, Sung-Mo (Division Architectural Engineering, University of Seoul)
Publication Information
Journal of the Korean Society for Advanced Composite Structures / v.4, no.2, 2013 , pp. 15-24 More about this Journal
Abstract
This project is mainly related to evaluation of total energy consumption of low energy house, the exterior envelope of which was wholly composed of structural insulated panels(SIP). The U-value of applied SIP was in the range of 0.189 to $0.269W/m^2{\cdot}K$ and the U-value of pair glass from 0.78 to $1.298W/m^2{\cdot}K$ was applied for window dependent to its function respectively. For comparison of total energy performance, the energy simulation for pilot house was performed to compare with the control house having insulation criteria of Korean building regulation in 2009. Based on simulation of dynamic energy performance, the pilot house saved 48.3% of annual energy consumption while the control house in 2009 consumed as 85.7GJ/y. In case of heating, the result showed that the energy saving ratio amounted to 76.7%. For $CO_2$ emission, the pilot house diminished approximately 35.4% from $6,208.4kgCO_2$ to $4,009.2kgCO_2$. In payback period to early investment, it was analyzed the pilot house took 7.8 years, when the low energy house built by other insulation method with same thermal perfusion took 11.5 years. From this result, it is considered that the SIP is more effective, economic to Green Home application.
Keywords
Structural Insulated Panel; Energy Performance; Low-Energy House; U-value;
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Times Cited By KSCI : 5  (Citation Analysis)
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