Thermal grating and broadband degenerate four-wave mixing spectroscopy of OH in high-pressure flames

被引：0

作者：

H. Latzel

A. Dreizler

T. Dreier

J. Heinze

M. Dillmann

W. Stricker

G.M. Lloyd

P. Ewart

机构：

[1] Physikalisch Chemisches Institut,

[2] Universität Heidelberg,undefined

[3] Im Neuenheimer Feld 253,undefined

[4] D-69120 Heidelberg,undefined

[5] Germany,undefined

[6] DLR,undefined

[7] Institut f. Physikalische Chemie der Verbrennung,undefined

[8] Pfaffenwaldring 38-40,undefined

[9] D-70569 Stuttgart,undefined

[10] Germany,undefined

[11] Clarendon Laboratory,undefined

[12] Oxford University,undefined

[13] Parks Road,undefined

[14] Oxford OX1 3PU,undefined

[15] UK (E-mail: p.ewart@physics.oxford.ac.uk),undefined

来源：

Applied Physics B | 1998年 / 67卷

关键词：

PACS: 42.62.Fi; 84.40.Py;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

∑–X2Π(0,0) band of OH has been studied in premixed methane/air flames using a cw Ar+ laser probe. Measurements of flame temperature and pressure were derived from fits of theoretical simulations to the observed time variation of signals over a pressure range of 10 to 40 bar and for different stoichiometry that were in agreement with independent measurements using N2 CARS and predictions of a one-dimensional flame calculation. Broadband DFWM spectra in the same band of OH were observed up to a pressure of 9 bar, above which signals were obtained only from scattering from thermal gratings.

引用

页码：667 / 673

页数：6

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