TURBULENT NONPREMIXED FLAMES OF METHANE NEAR EXTINCTION - MEAN STRUCTURE FROM RAMAN MEASUREMENTS

被引:72
作者
MASRI, AR [1 ]
BILGER, RW [1 ]
DIBBLE, RW [1 ]
机构
[1] SANDIA NATL LABS,COMBUST RES FACIL,LIVERMORE,CA 94550
关键词
CARBON MONOXIDE - Spectroscopic Analysis - HYDROGEN - Spectroscopic Analysis - METHANE - Combustion - NITROGEN - Spectroscopic Analysis - OXYGEN - Spectroscopic Analysis;
D O I
10.1016/0010-2180(88)90062-4
中图分类号
O414.1 [热力学];
学科分类号
摘要
Spontaneous Raman-Rayleigh measurements of species concentration-temperature have been made in turbulent nonpremixed flames of methane near extinction. The means and rms of fluctuations of temperature, density, mixture fraction, and the mass fractions of CH//4, O//2, N//2, H//2O, H//2, CO, and CO//2 are presented in this paper. The mean Raman-Rayleigh results compare favorably with probe measurements of species concentrations and temperature made in similar flames. At a given axial location, unreactedness (finite rate kinetics) and not unmixedness explains almost entirely the change in the flame structure.
引用
收藏
页码:245 / 266
页数:22
相关论文
共 16 条
[1]   A SIMPLE-MODEL FOR CARBON-MONOXIDE IN LAMINAR AND TURBULENT HYDROCARBON DIFFUSION FLAMES [J].
BILGER, RW ;
STARNER, SH .
COMBUSTION AND FLAME, 1983, 51 (02) :155-176
[2]  
BILGER RW, IN PRESS COMBUST FLA
[3]  
BILGER RW, 1983, 21ST AER SCI M
[4]   APPLICATIONS OF LAGRANGIAN MODELS TO TURBULENT COMBUSTION [J].
BORGHI, R ;
GONZALEZ, M .
COMBUSTION AND FLAME, 1986, 63 (1-2) :239-250
[5]   THE SPONTANEOUS RAMAN-SCATTERING TECHNIQUE APPLIED TO NONPREMIXED FLAMES OF METHANE [J].
DIBBLE, RW ;
MASRI, AR ;
BILGER, RW .
COMBUSTION AND FLAME, 1987, 67 (03) :189-206
[6]  
DRAKE MC, 1984, 22ND AER SCI M
[7]   MEASUREMENTS OF FLUCTUATING TEMPERATURE IN A FREE-JET DIFFUSION FLAME [J].
LENZ, W ;
GUNTHER, R .
COMBUSTION AND FLAME, 1980, 37 (01) :63-70
[8]   A STRETCHED LAMINAR FLAMELET MODEL OF TURBULENT NONPREMIXED COMBUSTION [J].
LIEW, SK ;
BRAY, KNC ;
MOSS, JB .
COMBUSTION AND FLAME, 1984, 56 (02) :199-213
[9]   FLUCTUATING TEMPERATURE-MEASUREMENTS IN TURBULENT JET DIFFUSION FLAME [J].
LOCKWOOD, FC ;
MONEIB, HA .
COMBUSTION AND FLAME, 1982, 47 (03) :291-314
[10]   FLUORESCENCE INTERFERENCE WITH RAMAN MEASUREMENTS IN NONPREMIXED FLAMES OF METHANE [J].
MASRI, AR ;
BILGER, RW ;
DIBBLE, RW .
COMBUSTION AND FLAME, 1987, 68 (02) :109-119