Use of the PLIF and LIP methods for definition of non-stationary temperature fields of water droplets

Abstract

This study illustrates the results of experiments to determine the unsteady and non-uniform temperature fields of evaporating water droplets. It is shown that during the warming up of the droplet inside it an inhomogeneous temperature field is formed. In the droplet trace, formation of a region with lower (relative to the gas flow) temperatures of the vapor-gas mixture is observed. The experiments were carried out for droplets with initial radii of 1-2 mm. The speed of the air flow was 0.5-5 m/s. The temperatures of the gaseous medium varied in the range of 20-600 °C. During the research, modern panoramic methods of non-contact flow diagnostics such as "Planar Laser Induced Fluorescence" and "Laser Induced Phosphorescence" (LIP) were used.

Original language	English
Article number	01079
Journal	MATEC Web of Conferences
Volume	110
DOIs	https://doi.org/10.1051/matecconf/201711001079
Publication status	Published - 19 Jun 2017

ASJC Scopus subject areas

Chemistry(all)
Engineering(all)
Materials Science(all)

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10.1051/matecconf/201711001079

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Volkov, R. S., Osmolovskaya, M. M., & Solomatin, Y. S. (2017). Use of the PLIF and LIP methods for definition of non-stationary temperature fields of water droplets. MATEC Web of Conferences, 110, [01079]. https://doi.org/10.1051/matecconf/201711001079

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AB - This study illustrates the results of experiments to determine the unsteady and non-uniform temperature fields of evaporating water droplets. It is shown that during the warming up of the droplet inside it an inhomogeneous temperature field is formed. In the droplet trace, formation of a region with lower (relative to the gas flow) temperatures of the vapor-gas mixture is observed. The experiments were carried out for droplets with initial radii of 1-2 mm. The speed of the air flow was 0.5-5 m/s. The temperatures of the gaseous medium varied in the range of 20-600 °C. During the research, modern panoramic methods of non-contact flow diagnostics such as "Planar Laser Induced Fluorescence" and "Laser Induced Phosphorescence" (LIP) were used.

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