Simultaneous amplitude and phase contrast imaging of burning fuel particle and flame with digital inline holography: Model and verification

Yingchun Wu 1 Marc Brunel 2 Renxian Li 3 Lijuan Lan 1 Wen Ao 4 Jia Chen 1 Xuecheng Wu 5 Gérard Gréhan 2
1 TUM - Technical University of Munich
2 CORIA - Complexe de recherche interprofessionnel en aérothermochimie
3 Xidian University
4 NPU - Northwestern Polytechnical University [Xi'an]
5 Zhejiang University
Abstract : Three-dimensional (3D) quantitative measurements of reacting multiphase micro-objects are of great interest in fuel particle combustion, which is composed of an inner fuel particle and an outer gas flame. Three models of digital inline holography of this composite fuel particle in the framework of light scattering and diffraction theories have been proposed, and then verified with reported experimental observations. Results show that the dispersed fuel particle and the gas flame distinguish in the reconstructed amplitude and phase contrast images, and reveal that the low extinction efficiency and phase shifting of the highly transparent, weakly scattering gas flame accounts for the difference.
Keywords : Digital holography Phase contrast Flame Fuel particle Debye series Tensor ABCD matrix
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Article dans une revue
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https://hal-normandie-univ.archives-ouvertes.fr/hal-01861534
Contributeur : Marc Brunel <>
Soumis le : vendredi 24 août 2018 - 15:14:29
Dernière modification le : vendredi 10 mai 2019 - 11:46:02

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COMUE-NORMANDIE | CNRS | INSA-ROUEN | CORIA | UNIROUEN | INSA-GROUPE

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Yingchun Wu, Marc Brunel, Renxian Li, Lijuan Lan, Wen Ao, et al.. Simultaneous amplitude and phase contrast imaging of burning fuel particle and flame with digital inline holography: Model and verification. Journal of Quantitative Spectroscopy and Radiative Transfer, Elsevier, 2017, 199, pp.26 - 35. ⟨10.1016/j.jqsrt.2017.05.008⟩. ⟨hal-01861534⟩

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