블로워 도어 테스트를 이용한 아파트의 침기 루트 분석 (Analysis of Infiltration Routes in Apartment Houses using Blower Door Tests)

서지정보

· 발행기관 : 한국건축친환경설비학회
· 수록지 정보 : 한국건축친환경설비학회 논문집 / 14권 / 5호 / 359 ~ 369페이지
· 저자명 : 문정현, 이종익, 김민성

초록

Blower door tests were carried out for two weeks to measure infiltration in two apartment houses located in Sejong, Korea. Preliminary measurement was carried out to investigate infiltration routes of the households for one week. In the main measurement, infiltration rates through the infiltration routes were measured as the pressure difference between indoor air and outdoor air was changed. Six sets of measurements were carried out and the measurement data were used to estimate flow coefficients (C) and pressure exponents (n) of all infiltration routes.
To investigate feasibility of the analysis method, the linear regression method and the iterative method were used. Through the feasibility study, the criteria to determine whether to stop or continue the calculation process were found. The criteria is that R2 of the regression model of each case should be bigger than 0.9 and the pressure exponents (n) of the regression model for the previous blower door test case should be smaller than or equal to that of the following case.
Using the criteria found in the feasibility study, the infiltration analysis was carried out which uses iterative approach to find sets of flow coefficients and pressure exponent to make the average R2 value for all cases maximized. As a result of infiltration analysis, it was observed that the calculated pressure exponents of all regression model for a household was same.

영어초록

Blower door tests were carried out for two weeks to measure infiltration in two apartment houses located in Sejong, Korea. Preliminary measurement was carried out to investigate infiltration routes of the households for one week. In the main measurement, infiltration rates through the infiltration routes were measured as the pressure difference between indoor air and outdoor air was changed. Six sets of measurements were carried out and the measurement data were used to estimate flow coefficients (C) and pressure exponents (n) of all infiltration routes.
To investigate feasibility of the analysis method, the linear regression method and the iterative method were used. Through the feasibility study, the criteria to determine whether to stop or continue the calculation process were found. The criteria is that R2 of the regression model of each case should be bigger than 0.9 and the pressure exponents (n) of the regression model for the previous blower door test case should be smaller than or equal to that of the following case.
Using the criteria found in the feasibility study, the infiltration analysis was carried out which uses iterative approach to find sets of flow coefficients and pressure exponent to make the average R2 value for all cases maximized. As a result of infiltration analysis, it was observed that the calculated pressure exponents of all regression model for a household was same.

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