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가정용 가스버너에서 1차 공기비와 부하거리가 버너 열효율 및 CO 배출에 미치는 영향에 관한 실험적 연구
임재범(Jea Beom Lim),박장희(Jang Hee Park),이상철(Sang Cheol Lee),정용기(Yong Ki Jeong),김양경(Yang Gyeong Kim) 대한기계학회 2012 대한기계학회 춘추학술대회 Vol.2012 No.11
Primary air ratio, load height and grate shape are the main factors which affect the heat efficiency of domestic gas burner. This study focused on the effect of primary air ratio and load height that affect the flame formation and extinction. Flame shape, thermal efficiency and CO emissions were observed while primary air ratio was controlled by forced air supply from 0.2 to 0.8, and load height was changed from 11㎜ to 35㎜. It was found that the efficiency increased as flame length was shorter at primary air ratio 0.2~0.7, but the efficiency decreased as flame blow-off occurred above primary air ratio 0.7. And, CO emission and heat efficiency had inverse relation at entire region. However, in case of the load height, the efficiency and CO emission had similar behavior because the heating area increased.