Abstract
Abstract In general, building energy performance is evaluated with a detailed transient building energy simulation program. However, energy evaluation tools with the bin method are still used, because of their simple and easy way to calculatebuilding energy performance, without reducing their precision. In this research, several heating and cooling degree day methodsare compared, and evaluated with their performance for variable base temperature. This analysis considered about ten yearsof the continuous outdoor temperature, in the Seoul and Busan areas. It is concluded that the simplified bin method is moreor less acceptable for Seoul and Busan, compared with the detailed hourly bin method. Key words Bin mehtod(빈법), Balance point temperature(평형점온도), Simplified mehtod(간이법)†Corresponding author, E-mail: seodh@chungbuk.ac.kr 기호설명 HDD b ： 평형점온도에 대한 월 난방도일( ℃ .day) CDD b ： 평형점온도에 대한 월 냉방도일( ℃ .day) T b ： 평형점온도( ℃ ) T h ： 시간별 외기온( ℃ ) T max ： 일최고 외기온( ℃ ) T min ： 일최저 외기온( ℃ ) T d ： 일평균 온도( ℃
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