버너 영역의 당량비를 0.995에서 0.94까지 감소시킨 결과 NO 배출량을 최대 26%까지 저감될 수 있음을 확인하였다.
As a result of reducing the equivalent ratio of the burner area from 0.995 to 0.94, it was confirmed that NO emissions can be reduced by up to 26%.