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동절기 실내 과습방지를 위한 자동환기시스템 제어장치 개발에 관한 연구
김영탁(Kim, Young-Tag),조우진(Cho, Woo-Jin),이규남(Rhee, Kyu-Nam),황민규(Hwang, Min-Kyu),이성재(Lee, Sueng-Jae),차지형(Cha, Ji-Hyoung) 한국태양에너지학회 2012 한국태양에너지학회 학술대회논문집 Vol.2012 No.11
The surface condensation in winter season can be prevented with two methods. The first method is increasing surface temperature of space envelopes with insulation and the second method is decreasing indoor vapor pressure with ventilation. But additional insulation after construction completion is not easy. So, ventilation is more suitable to solve condensation problems. Generally, there are two types of ventilation methods in residential buildings. One is natural ventilation by opening windows, but the efficiency defends on occupant’s action whether they open the windows or not. The other is mechanical ventilation by recovery ventilator(air-to-air heat exchanger). This can provide not only regular ventilation but also high air quality and less condensation problems, if it can be controlled automatically. Therefore, it is necessary to develop automatic control device of ventilation system for preventing condensation with decreasing indoor vapor pressure. To achieve it, this paper suggests CPA(Condensation Preventing Algorithm) for the auto-control device of ventilation system.