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.

引用

页数：11

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