MEASUREMENT OF THE COLLISION-QUENCHED LIFETIME OF CO MOLECULES IN A FLAME AT ATMOSPHERIC-PRESSURE

被引：26

作者：

AGRUP, S

ALDEN, M

机构：

[1] Department of Combustion Physics, Lund Institute of Technology, S-221 00 Lund

来源：

CHEMICAL PHYSICS LETTERS | 1992年 / 189卷 / 03期

关键词：

D O I：

10.1016/0009-2614(92)85126-U

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Direct measurement of the quenching rate for CO molecules in a flame at atmospheric pressure has been made using laser-induced fluorescence. The CO molecules were excited from the ground X (1)SIGMA+ state to the B (1)SIGMA+ state in a two-photon process. The exciting photons at 230 nm were produced using a picosecond laser system with a pulse length of 10 ps. The emission decay of the resulting B (1)SIGMA+-A (1)PI fluorescence from 450 to 600 nm was detected, time-resolved, by a streak camera and the decay constant evaluated, yielding the effective lifetime of 200 ps in the reaction zone.

引用

页码：211 / 216

页数：6

共 23 条

[1] APPLICATIONS OF 2-PHOTON ABSORPTION FOR DETECTION OF CO IN COMBUSTION GASES [J].