가정용 공조기의 실내 온열 쾌적성 향상에 관한 실험적 연구

Studies on the residential air-conditioner are focused to evaluate the indoor thermal comfort and air quality to meet the growing demands of the occupants. there are various parameters which are influenced thermal comfort, such as temperature, humidity, air flow, cleanliness etc should be considered. Especially, Air flow is the most essential parameter to achieve comfort condition quickly but it causes cold draft upon prolonged exposure. This study presents an improvement method to reduce cold draft using hybrid flow path in the inverter driven floor standing type residential air conditioner. To investigate the effect of the hybrid flow path, we measured the air flow velocity, temperature distribution and PMV PPD under non-air flow mode and compared to general cooling mode. Under non-air flow mode, occupant zone was formed in still air condition(under 0.15m/s) and maintained uniform temperature distribution. Therefore, PMV and PPD were improved to meet the ASHRAE comfort zone