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Show (¢.) - a (¢.)-' 1.0 1.0 0.1 0.1 0.1 0.1 0.1 40 40 I I I I I I I • « , It' I I I , I I I I I , I « , 4() 38 38 38 38 ~. 35 ,\ 35 ~35 35 ~~3 3 33 R~ .33 33 R. R. ~ ~30 30 30 3() C H ~28 0 28 ~28 28 25 25 25 25 23 23 23 23 2~UO~IUO~0~'U5~0~2~0~0~2~50~~3~00~3~SWO~4~0£0 Staged air(L/min) 100 150 200 250 300 350 Staged air(L/min) (A) Radial Air = 250 L/min ( ¢ 1 r l (¢,)-l 1.0 (H 1.0 0.' 0.' 45 I I I I I I I I I 45 45 45 43 43 43 43 6 40 40 40 " 40 0" . 138 G. \ ~38 G.' 38 38 [35 " \. " ,,\ " " 35 R.35 ' . 6 35 R. " '0 ~ 0\ ~\ ' ~33 , . 33 33 ,' \. 33 ~30 ,',\ .. H " 30 030 ,\.... 'b '6 30 ~ 't:l.."-. 28 't:l..'._ 28 28 ...... "6 ___ 6 ...... -0-·_,0 - "€>- - -0 28 - "€>- - -0 25 25 25 25 23 23 23 23 20 75 '0012515017520022525027530032~0 2075 100 125 150 175200225250275300 32iO Staged air (L/min) Staged air (L/min) (B) Radial Air = 300 L/min Figure 9 The effects or adding cooling water and stage air on NO and NOx concentration profiles at total excess air 13% , cP t. = 1.13 _.[3-- _.-A--.- add stage air only -6-75 an adding cooling water --8-120 an adding cooling water |