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자료유형
학술저널
저자정보
Choi, Doo-Sung (Chungwoon Univ.) Lee, Myung-Eun (Suwon Univ.)
저널정보
한국생태환경건축학회 KIEAE Journal KIEAE Journal Vol.17 No.2(Wn.84)
발행연도
2017.4
수록면
5 - 12 (8page)

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초록· 키워드

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Purpose: Under the purpose of presenting the adequate remodeling period for the improvement of thermal insulation performance of external walls in deteriorated buildings, the change in external wall and residential environment problem(dew condensation) due to aged deterioration after the apartments were constructed in Korea were analyzed. Method: Temperature Difference Ratio Outside(TDRo) and Heat Flow Meter(HFM) were used as measurement methods to evaluate the thermal insulation performance of deteriorated buildings. For TDR evaluation, thermo-graphic camera was used to measure and analyze the surface temperature of external wall. Also, dew condensation evaluation was analyzed using the Temperature Difference Ratio Inside(TDRi). Result: As a result of analyzing thermal performance through TDRo, the first decline point of thermal insulation performance began after 14-16 years have passed since construction was completed, and after 20 years have passed the decline point of thermal insulation performance reappeared. As a result of analyzing U-value with HFM measurement method, the decline rate of external wall’s thermal insulation performance is lower than 2% in average at around 5 years after completion, and 8.7% in average at 10-15 years, and over 10.2% in average at 20 years.

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ABSTRACT
1. Introduction1
2. Outline of insulation and condensation performance analysis
3. Apartment insulation and dew condensation performance evaluation
4. Conclusion
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