공조용 열교환기 증발관에서의 서리 발생에 관한 메커니즘의 실험적 연구

An Experimental Study on Frost generation Mechanism from Evaporator tube in Air conditioning system

  The object of this experiment is comparing generate frost layer condition by inlet air"s velocity, temperature and relative humidity on the copper tube in evaporator. in this experiment, inlet air"s velocity is 0.3 ㎧, 0.6 ㎧, 0.9 ㎧, temperature is 15℃, 20℃, 25℃and relative humidity is 70% - 90%. And brine temperature that flowing the copper tubes was kept -15℃. because, generally cooling temperature range is constantly -15℃ in the heat exchanger for air conditioning system. experiment an effect indicated that take a picture by digital camera on the test section for He-Ne laser reverberation.