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지하주차장 환기장치에 적용된 이오나이저의 공기정화효과 검토
조홍재(Cho Hong-Jae),진정탁(Jin Jeong-Tak),박준영(Park Joon-Young),한슬기(Han Seul-Ki),정재원(Jeong Jae-Weon) 한국건축친환경설비학회 2012 한국건축친환경설비학회 학술발표대회 논문집 Vol.2012 No.3
There are a lots of underground parking lots around high-densely populated cities and are also increasing constantly the construction of those. For this reason, new ventilating device with ionizer have been developed to improve IAQ in underground parking lots on this study. Therefore, the main thrust of this study was to evaluate roughly the concentration decay of Benzene and Toluene which can be generate in underground parking lots by operating ionizer itself in a small cardboard box before performance evaluation of new ventilating device applied ionizer.
스크린도어 설치시 승강장 공조방식별 에너지 저감 효과 분석
조홍재(Hong-Jae Cho),박태주(Tae-Ju Park),황동곤(Dong-kon Hwang) 대한설비공학회 2016 대한설비공학회 학술발표대회논문집 Vol.2016 No.6
The main purpose of this paper is to analyze energy saving potentials of air conditioning system in public subway station platform by installing screen doors. Applying current air conditioning system for platform without screen doors is 100% outdoor air system. It is assume that air conditioning system for platform with screen doors is redesigned to the constant air volume system and variable air volume system. To investigate external cooling load and ventilating energy saving potentials, subway operation schedule, lighting load, equipment load, passengers schedule are applied from real-operating data. As a results, constant air volume system can save cooling coil load compared to the 100% outdoor air system. Variable air volume system can not only save cooling coil load but also fan energy consumption according to installing screen doors, and it showed better performance than 100% outdoor air system.
지하주차장 공기환경 개선을 위한 이오나이저의 적용효과 검토
조홍재(Cho, Hong-Jae),김형석(Kim, Hyung-Seok),정재원(Jeong, Jae-Weon) 대한건축학회 2012 대한건축학회논문집 Vol.28 No.11
The main objective of this study was to verify a possibility of indoor air environment enhancement via actual operation of ionizer device. Two pollutants, benzene and toluene, were used as indicators for evaluating the air cleaning performance of ionizers. The test results show that negative air ions may provide the air cleaning effect which can be acquired by supplying 0.058-0.100(㎥/hr), 0.035-0.070(㎥/hr) ventilation. Another indicator of this test result, air cleaning factor(ACF) was also indicated that the impact of negative air ions is consistently maintained during the ionizer operation. In addition, according to experimental results, it was also found that removal efficiency of benzene was 2.1 times higher than that of toluene. From this research and existing literature, one can conclude that additional indoor air quality improvement can be expected by applying ionizers in ventilation system for underground parking facilities.