Analysis on the Effect of External-Wall Insulation on Energy Consumption of Residential Building in Lanzhou

Chu Ne Li; Gang Wang; Ya Jun Wang

doi:10.4028/www.scientific.net/AMR.936.1496

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 936Analysis on the Effect of External-Wall Insulation...

Analysis on the Effect of External-Wall Insulation on Energy Consumption of Residential Building in Lanzhou

Abstract:

Based on the comparison of external wall with different insulation thicknesses and without insulation, residential buildings energy consumption was simulated by using hourly energy consumption simulation software DeST-h in Lanzhou.The effects of external wall insulation on building energy consumption were analyzed. The result shows that the total annual load can be reduced to 42% ~ 72% with the insulation thicknesses vary from 10mm to 80mm. But With the increase of the thickness of the insulation layer, the amount of fluctuation of building load reduce gradually.That is not to say the insulation layer is thicker the energy saving effect is more distinct and there is shoud be the thickness is the most economical thickness. So the economic insulation thickness is determined as 40mm by using a life-cycle cost analysis.

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Periodical:

Advanced Materials Research (Volume 936)

Pages:

1496-1501

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.936.1496

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Online since:

June 2014

Authors:

Chu Ne Li*, Gang Wang, Ya Jun Wang

Keywords:

DEST-H, Economical Insulation Layer, Energy Consumption (EC), Residential Building

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* - Corresponding Author

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