Development of a three-legged, high-speed, burst-mode laser system for simultaneous measurements of velocity and scalars in reacting flows | Zendy

Sukesh Roy | Zendy; Naibo Jiang | Zendy; Paul S. Hsu | Zendy; Tongxun Yi | Zendy; Mikhail N. Slipchenko | Zendy; Josef Felver | Zendy; Jordi Estevadeordal | Zendy; James R. Gord | Zendy

Open Access

Development of a three-legged, high-speed, burst-mode laser system for simultaneous measurements of velocity and scalars in reacting flows

Author(s) -

Sukesh Roy,

Naibo Jiang,

Paul S. Hsu,

Tongxun Yi,

Mikhail N. Slipchenko,

Josef Felver,

Jordi Estevadeordal,

James R. Gord

Publication year - 2018

Publication title -

optics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.524

H-Index - 272

eISSN - 1071-2763

pISSN - 0146-9592

DOI - 10.1364/ol.43.002704

Subject(s) - burst mode (computing) , optics , particle image velocimetry , laser , turbulence , velocimetry , planar laser induced fluorescence , materials science , combustion , pulse (music) , jet (fluid) , pulse duration , physics , laser induced fluorescence , detector , mechanics , chemistry , organic chemistry , electrical engineering , engineering

We report the development of a three-legged, high-speed, high-energy, burst-mode laser system for the simultaneous measurement of velocity and key combustion species in turbulent reacting flows. The laser system is designed to simultaneously amplify a four-pulse sequence [including a doublet pulse for particle image velocimetry (PIV) measurements] with variable pulse separations at a repetition rate up to 500 kHz and a burst duration of 1-10 ms. With the three-legged, burst-mode laser system, we demonstrate simultaneous measurements of velocity using PIV and planar laser-induced fluorescence imaging of hydroxyl and formaldehyde in a turbulent jet flame.

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