MEASUREMENTS OF ROTATIONAL ENERGY-TRANSFER AND QUENCHING IN OH A(2)SIGMA+,UPSILON(')=0 AT ELEVATED-TEMPERATURE

被引:36
|
作者
LEE, MP
KIENLE, R
KOHSEHOINGHAUS, K
机构
[1] DLR-Institut für Physikalische Chemie der Verbrennung, Stuttgart, D-70569
来源
APPLIED PHYSICS B-LASERS AND OPTICS | 1994年 / 58卷 / 06期
关键词
D O I
10.1007/BF01081075
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Total rotational energy transfer rates have been measured at 1330 K for specific rotational levels in the OH A2SIGMA+, upsilon' = 0 state in collisions with H2O. Rotational levels ranging from N = 0 to 15 were studied. Measurements were performed in the post-flame region of a stoichiometric H-2/O2/He flame operating at 25 mbar. Quenching rates following excitation of individual upper rotational states were also measured. The RET and quenching rates both exhibit monotonic decreases with increasing rotational quantum number.
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页码:447 / 457
页数:11
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