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Type: Conference paper
Title: Interference modes in laser induced fluorescence thermometry applied to particle-laden flows
Author: Lewis, E.
Lau, T.
Sun, Z.
Alwahabi, Z.
Nathan, G.
Citation: Proceedings of the 9th Australian Conference on Laser Diagnostics (ACLD), 2019, pp.51-54
Publisher: University of Adelaide
Issue Date: 2019
ISBN: 9780646812670
Conference Name: 9th Australian Conference on Laser Diagnostics (ACLD) (2 Dec 2019 - 4 Dec 2019 : Adelaide, Australia)
Statement of
E.W. Lewis, T.C.W. Lau, Z.W. Sun, Z.T. Alwahabi, and G.J. Nathan
Abstract: The influence of interference from solid particles on gas-phase temperature measurements using two-colour laser induced fluorescence (LIF) thermometry was analysed for two different particle types, PMMA and ZnO:Zn. The signal from interactions of the particles with the incident laser sheet (from Mie scattering, fluorescence and phosphorescence) was measured in the collection wavelength bands for two-colour toluene LIF thermometry. The intensity of the signal from the PMMA particles was significantly stronger than from the ZnO:Zn particles, due to particle fluorescence in the two-colour wavelength bands. The intensity from both particle types was also stronger relative to the toluene fluorescent emission intensity in the wavelength of 315±10 nm than 285±5 nm.
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Mechanical Engineering conference papers

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