An instantaneous measuring method of air-fuel ratio by luminous intensity of radicals. (Application to practical burner flames)
作者： Hirokazu ITOH , Yukio HOMMO , Jae-ik SONG , Tsutomu GOMI
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摘要: In order to measure equivalence ratio (φR2) instantaneously, we developed a photoelectric photometer which could immediately the luminous intensity of OH, CH, C2 radical in flame. By using this apparatus, investigated effects (1) focusing position optical system flame front; and (2) angle between normal front axis, with premixed laminar burner As result, it was clarified that φR2 be measured by C2/CH 2.2% maximum error. (3) so, applied method Burke-Schumann type diffusion flame, made clear mean ^- at about 1.1 nearly equal value assumed until now. (4) and, for open reason large down-stream because insufficient obstruction burned gas.
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