Characterization of a Combined CARS and Interferometric Rayleigh Scattering System | Zendy

Sarah A. Tedder | Zendy; Daniel Bivolaru | Zendy; Paul M. Danehy | Zendy; Markus C. Weikl | Zendy; Frank Beyrau | Zendy; Thomas Seeger | Zendy; Andrew D. Cutler | Zendy

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Characterization of a Combined CARS and Interferometric Rayleigh Scattering System

Author(s) -

Sarah A. Tedder,

Daniel Bivolaru,

Paul M. Danehy,

Markus C. Weikl,

Frank Beyrau,

Thomas Seeger,

Andrew D. Cutler

Publication year - 2007

Publication title -

45th aiaa aerospace sciences meeting and exhibit

Language(s) - English

Resource type - Conference proceedings

DOI - 10.2514/6.2007-871

Subject(s) - interferometry , rayleigh scattering , characterization (materials science) , scattering , optics , physics , computer science , remote sensing , geology

This paper describes the characterization of a combined Coherent anti-Stokes Raman Spectroscopy and Interferometric Rayleigh Scattering (CARS-IRS) system by reporting the accuracy and precision of the measurements of temperature, species mole fraction of N2, O2, and H2, and two-components of velocity. A near-adiabatic H2-air Hencken burner flame was used to provide known properties for measurements made with the system. The measurement system is also demonstrated in a small-scale Mach 1.6 H2-air combustion- heated supersonic jet with a co-flow of H2. The system is found to have a precision that is sufficient to resolve fluctuations of flow properties in the mixing layer of the jet.

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