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Instantaneous volumic concentration and velocity measurements of a jet in crossflow for the evaluation of the entrainment

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Abstract

A new method employing instantaneous 3D coupled measurements of planar laser-induced fluorescence and particle Image velocimetry is developed to compute 3D fluid fluxes. The three-dimensional fields of concentration and velocity are used for identifying the vortex structures and for the evaluation of the fluxes at the interface between a jet exiting in a crossflow. This approach is helpful for the 3D estimation of the momentum and scalar transport at the turbulent/non-turbulent interface and will help understanding the mixing process.

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Acknowledgments

This work is funded partially by the 13th CPER and the ANR VIVE3D. Their supports are greatly acknowledged.

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Authors and Affiliations

  1. Institut P’, CNRS, Université Poitiers, ENSMA, UPR 3346, Boulevard Marie et Pierre Curie, Téléport 2, BP 30179, 86962, Futuroscope Chasseneuil Cédex, France

    A. Berchet, L. Thomas, P. Braud & L. David

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  1. A. Berchet
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  2. L. Thomas
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  3. P. Braud
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  4. L. David
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Correspondence to A. Berchet.

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Berchet, A., Thomas, L., Braud, P. et al. Instantaneous volumic concentration and velocity measurements of a jet in crossflow for the evaluation of the entrainment. Exp Fluids 54, 1608 (2013). https://doi.org/10.1007/s00348-013-1608-1

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  • DOI: https://doi.org/10.1007/s00348-013-1608-1

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