One-dimensional fs/ps coherent anti-Stokes Raman scattering in a laminar, premixed flat flame

被引：0
|
作者：
Elkowitz, Laurie [1 ]
Thompson, Ryan J. [1 ]
Dedic, Chloe E. [1 ]
机构：
[1] Univ Virginia, Dept Mech & Aerosp Engn, Charlottesville, VA 22903 USA
来源：
AIAA SCITECH 2024 FORUM | 2024年
关键词：
THERMOMETRY; GAS; TEMPERATURE;
D O I：
暂无
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
One-dimensional hybrid femtosecond/picosecond coherent anti-Stokes Raman scattering (fs/ps CARS) was used to measure the spatial distribution of temperature in an ethylene-air flat flame. Q-branch Raman transitions of CO2, N-2, and O-2 were targeted using an adjustable wavelength pump beam produced by an optical parametric amplifier and a three-beam planar BOXCARS phase-matching configuration. The spatial resolution in the dimension perpendicular to beam propagation was quantified to be 37.3 mu m/pixel. The one-dimensional measurements will be used in the future to study transient combustion systems such as a gaseous detonation wave.
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页数：11
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