This paper reports non-intrusive temperature and velocity imaging measurements in gas-phase flows using acetone planar laser-induced fluorescence (PLIF) thermometry and particle image velocimetry (PIV). The details of the combined PLIF/PIV instrument and the demonstration flow facilities are provided and results are presented from a turbulent Rayleigh-Be´nard convection flow (PLIF only) and from an unsteady laminar impinging jet flow (combined PLIF/PIV). The data show that PLIF temperature imaging at laboratory scales is most effective for characteristic temperature differences on the order of 100 K of more. Simultaneous gas-phase temperature-velocity images are presented which show that PLIF-PIV holds promise for detailed laboratory scale measurements for gas-phase convective heat-transfer applications at high temperature differences.
A Combined PLIF/PIV System for Simultaneous Gas-Phase Temperature/Velocity Imaging
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Kearney, SP, Grasser, TW, & Bourdon, CJ. "A Combined PLIF/PIV System for Simultaneous Gas-Phase Temperature/Velocity Imaging." Proceedings of the ASME 2002 International Mechanical Engineering Congress and Exposition. Fluids Engineering. New Orleans, Louisiana, USA. November 17–22, 2002. pp. 17-22. ASME. https://doi.org/10.1115/IMECE2002-33164
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