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유병호,Yu, Byeong-Ho 한국과학기술단체총연합회 2002 과학과 기술 Vol.35 No.3
세계는 지금 전선없는 과학기술 전쟁을 하고 있는 느낌이다. 이러한 무한 경쟁시대에 우리나라 과학기술의 질을 높이기 위해선 우리 생활 저변에 과학을 사랑하는 열린 마음으로 과학문화운동이 이뤄져야 할 것이다.
국내 기상조건하 주거용 건물 가스 보일러의 부분부하 특성과 에너지 사용량 분석
유병호(Byeong Ho Yu),서병모(Byeong-Mo Seo),문진우(Jin-Woo Moon),이광호(Kwang Ho Lee) 대한설비공학회 2015 설비공학 논문집 Vol.27 No.9
Residential buildings account for a significant portion of the total building-energy usage in Korea, and a variety of research studies on the domestic boiler have therefore been carried out; however, most of these studies examined the boiler itself, whereby the part-load ratio characteristics and the corresponding gas-energy consumption patterns were not analyzed. In this study, the part-load ratio and operating characteristics of a domestic gas boiler were analyzed within a residential building equipped with a radiant floor-heating system; in addition, the energy consumption between condensing and conventional boilers was comparatively analyzed. Our results show that significant portions of the total operating hours, heating load, and energy consumption are in the part-load ratio range of 0 through 40%, whereby the energy consumption was significantly affected by the boiler efficiency under low part-load conditions. These results indicate that the part-load operation of a boiler is an important factor in residential buildings; furthermore, replacing a conventional boiler with a condensing boiler can reduce annual gas-energy usage by more than 20%.