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Temperature Measurement of Air Flow Using Fluorescent Mists Combined with Two-Color LIF

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DOI: 10.4236/jfcmv.2013.11004    3,850 Downloads   7,267 Views   Citations

ABSTRACT

This study proposes a two-color laser-induced fluorescence (LIF) technique for measuring the temperature distribution of an airflow by spraying a mist of a fluorescent dye. The mist is generated by using propylene glycol, the vapor pressure of which is much lower than that of water, as the solvent of the fluorescent dyes. A supersonic moisture chamber is used as the atomizer for seeding the tracer particles to be visualized. The proposed technique is applied to the measurement of the temperature distribution in a thermal vertical buoyant plume. The proposed two-color LIF thermometry is found to be very effective for the study of such a thermal structure, and it is well suited for measuring the temperature field of an airflow.

Conflicts of Interest

The authors declare no conflicts of interest.

Cite this paper

S. Funatani, K. Toriyama and T. Takeda, "Temperature Measurement of Air Flow Using Fluorescent Mists Combined with Two-Color LIF," Journal of Flow Control, Measurement & Visualization, Vol. 1 No. 1, 2013, pp. 20-23. doi: 10.4236/jfcmv.2013.11004.

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