Development of Combined Dual-Pump Vibrational and Pure-Rotational Coherent Anti-Stokes Raman Scattering (DPVCARS and PRCARS) System
作者： Aman Satija , Robert P. Lucht
DOI: 10.2514/6.2014-1096
关键词:
摘要: Coherent anti-Stokes Raman scattering (CARS) [1,2] is a spatially-resolved, time-resolved spectroscopic technique for quantitative measurements in reacting flows [3 – 6]. This work demonstrates combination of N2/O2/CO2 dual-pump vibrational coherent (DPVCARS) system and two-beam pure-rotational (PRCARS) system. It based on the previous development combined VCARS PRCARS which was used to obtain temperature non-premixed H2-air flames. The new will be measure profiles major species concentrations such as laminar counter-flow (CH4/Air) partiallypremixed (CH4/H2/Air) being characterized H2/Air diffusion flames stabilized over Hencken burner. CO2 added oxidizer stream assess precision while performing concentration measurements. has shown good using (better than 3%) N2/O2 mole-fraction ratio 5%) DPVCARS.
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