[논문]Analysis of Airtightness and Air Leakage of Wooden Houses in Korea

Kim, Sejong; Chang, Yoon-Seong; Park, Joo-Saeng; Shim, Kug-Bo

doi:10.5658/wood.2017.45.6.828

Analysis of Airtightness and Air Leakage of Wooden Houses in Korea 원문보기

목재공학 = Journal of the Korean wood science and technology, v.45 no.6, 2017년, pp.828 - 835

Kim, Sejong (Division of Wood Engineering, Department of Forest Products, National Institute of Forest Science) , Chang, Yoon-Seong (Division of Wood Engineering, Department of Forest Products, National Institute of Forest Science) , Park, Joo-Saeng (Division of Wood Engineering, Department of Forest Products, National Institute of Forest Science) , Shim, Kug-Bo (Division of Wood Engineering, Department of Forest Products, National Institute of Forest Science)

Abstract ▼ AI-Helper

Airtightness of buildings is one of critical aspects of its energy performance. To build up references of airtightness of wooden houses built in Korea, blower door tests have been carried out in 42 houses since 2006. Causes of air leakage were investigated recently. The average value of air change rate was $3.7h^{-1}$ for light frame house and $5.5h^{-1}$ for post-beam construction at ACH50 (air change per hour at 50 Pa air pressure difference). Foam type insulation was more advantageous in ensuring building airtightness than glass fiber batt. Airtightness of wooden houses which were constructed after 2010 was improved to have less than $1.5h^{-1}$ of ACH50, threshold for application of artificial air change. The average air change rate of CLT (cross laminated timber) houses showed the lowest value, $1.1h^{-1}$, among the tested structures.

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가설 설정

∙ Building airtightness of wooden house in Korea is gradually improved by the construction year.
∙ Foam type insulation was more advantageous than glass wool for building airtightness.

제안 방법

(2016) reviewed some papers concerned with building airtightness and analyse influencing variables for that. In this study, construction year, construction type, insulation type and application of air barrier were use for influencing variables for analysis.
The blower door test using building pressure differences is more widely used than the other because of convenience of measurement in the field. So, in this study, the blower door test was used for evaluation of building airtightness. The details of test process is described in ASTM E779-87 and ISO 9971.

대상 데이터

1. Location and number of tested wooden houses.

참고문헌 (11)

ASTM Standard E779. 1987. Standard test method for determining air leakage rate by fan pressurization.
Bramiana, C.N., Entrop, A.G., Halman, J.I.M. 2016. Relationships between building characteristics and airtightness of Dutch dwellings. Energy Procedia 96: 580-591.

상세보기
Chan, W.R., Joh, J., Sherman, M.H. 2013. Analysis of air leakage measurements of US houses. Energy and Buildings 66: 616-625.

상세보기
ISO 9971. 2007. Determination of building airtightness - Fan pressurization method.
Jo, J.H. 2010. Measurements of the Dwelling Unit Airtightness in High-rise Residential Buildings. JOURNAL OF THE ARCHITECTURAL INSTITUTE OF KOREA Planning & Design 26(10): 337-344.
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상세보기
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상세보기
Vinha, J., Manelius, E., Korpi, M., Salminen, K., Kurnitski, J., Kiviste, M., Laukkarinen, A. 2015. Airtightness of residential buildings in Finland. Building and Environment 93(2): 128-140.

상세보기
Yoon, J.H., Park, J.W., Lee, K.S., Baek, N.C., Shin, U.C. 2008. A Study on the Measurement of Airtightness Performance of Detached Houses in Chung-cheong area. Journal of the Korean Solar Energy Society 28(5): 65-71.

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