Calibration method for 2D instantaneous OH-PLIF temperature measurements in flame

被引:4
|
作者
Chen, Shuang [1 ]
Su, Tie [1 ]
Yang, Furong [1 ]
Zhang, Long [1 ]
Zheng, Yaobang [1 ]
机构
[1] China Aerodynam Res & Dev Ctr, Mianyang 621000, Peoples R China
基金
中国国家自然科学基金;
关键词
LASER-INDUCED FLUORESCENCE; TURBINE MODEL COMBUSTOR; PIV MEASUREMENTS; 2-LINE; THERMOMETRY; PRESSURE; OHPLIF; JET;
D O I
10.3788/COL201311.053001
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Noninvasive technology for measuring instantaneously two-dimensional (2D) temperature distributions of flame using two-color planar laser induced fluorescence (PLIF) of OH is investigated. A calibration method is researched and developed. This method is based on the calibration experiments with a laminar premixed flame and thermocouple, and avoids complex calculation and uncertainty of the spectrum parameters. Measurements for a flat burner at ambient temperature under atmospheric pressure are also presented; calibration results are used to diagnose a supersonic combustion in scramjet combustor. The conclusion indicates that this method is useful, and a better precision of calibration can be acquired by correcting the line shapes of the spectral lines and lasers.
引用
收藏
页数:4
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