Spectroscopic Methods and Visualization Applied to Combustion Diagnoses - Novel Combustion Concepts for Sustainable Energy Development - page 180

Fig. 7 Pro les of spectral
intensity of spontaneous NO
emission of radiation

(a.u.)

50000

48000

46000

44000

Air Nozzle

42000

40000

38000

36000

34000

32000

30000

Premixed flame

(a.u.)

50000

48000

46000

44000

Air Nozzle

42000

40000

38000

36000

34000

32000

30000

(a.u.)

3700

3500

Air Nozzle

3300

3100

2900

2700

2500

Diffusion flame

of D 2 O. On the other hand, the fuel H 2 fl flows out of the inner tube, followed by

combustion reaction to produce OH. Thus, OH and OD are the indicator of the two
flows, and mixing condition is visualized by PLIF monitoring of OH and OD.