Application of two-color LIF thermometry to nucleate boiling

Abstract : The laser-induced fluorescence (LIF) thermometry is applied to measure the temperature field surrounding a single vapor bubble growing at an artificial nucleation site. In order to correct measurement errors due to the non-uniformity of the incident laser intensity, the two-color LIF thermometry technique is used in this nucleate boiling experiment. This technique is based on the use of two fluorescent dyes: the temperature sensitive dye Rhodamine B and the temperature insensitive dye Sulforhodamine-101. The concentration of the dyes is optimized by analyzing the behavior of fluorescence intensities. The mapping between the two images is determined through a geometrical calibration procedure. This technique presents a success in correcting the non uniformities due to the reflection of the light at the bubble surface and to the temperature gradient. The obtained temperature fields show that the two-color LIF is a promising technique in the investigation of nucleate boiling.
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Nadine Kosseifi, Pascal Henry Biwole, Christian Mathis, Germain Rousseaux, Séverine A.E. Boyer, et al.. Application of two-color LIF thermometry to nucleate boiling. Journal of Materials Science and Engineering A & B, 2013, 3 (5), pp.281-290. ⟨hal-00910036⟩

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