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Whole Field Measurement of Temperature in Water Using Two-Color Laser Induced Fluorescence
Jun Sakakibara,Ronald J. Adrian +1 more
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TLDR
In this paper, a technique is described that measures the instantaneous three-dimensional temperature distribution in water using two-color laser-induced fluorescence (LIF) and two fluorescent dyes, Rhodamine B and Rhodamine 110, are used as temperature indicators.Abstract:
A technique is described that measures the instantaneous three-dimensional temperature distribution in water using two-color laser-induced fluorescence (LIF). Two fluorescent dyes, Rhodamine B and Rhodamine 110, are used as temperature indicators. A laser light sheet scanned across the entire measurement volume excites the fluorescent dye, and an optical system involving a color beam splitter gives the intensity distribution of the individual fluorescent dyes on two separate monochrome CCD cameras. The ratio of these fluorescence intensities at each point of the image is calibrated against the temperature to eliminate the effect of the fluctuation of illuminating light intensity. A stable thermally stratified layer was measured by this system to evaluate the total accuracy of the measurement system. The random error of the measurement was ±1.4 K with 95% confidence. Measurements of thermal convection over a heated horizontal surface show temperature iso-surfaces having typical structures such as plumes, ridges and thermals.read more
Citations
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Two color LIF measurement of pH distribution around a dissolving CO2 droplet
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Global Temperature Measurement of Boiling Water using Dual-Luminescent Imaging
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Fluorescence imaging of multi-component wetting
TL;DR: In this paper, a novel approach was employed using polymer labeled with contrasting fluorescent dyes, which allowed optical recognition and also caused differences in surface tension between blend components, and component segregation was observed and quantified using relative fluorescence intensities.
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Dual fluorescence ratiometric technique for micromixing characterization
David Bedding,Carlos Hidrovo +1 more
TL;DR: In this paper, an imaging technique that uses fluorescent emissions as an indicator of fluorophore concentration has been developed to probe high-speed mixing within microfluidic devices, and the accuracy of this technique is assessed by comparing experimental results to a parallel flow simulator of the actual concentration and overlaying imaging results.
Dissertation
Flow and Temperature Fields Generated by a Thermally Activated Interventional Vascular Device
TL;DR: McCurrin et al. as discussed by the authors used particle image velocimetry (PIV) and laser-induced fluorescence (LIF) to investigate the flow and temperature fields generated by a thermally activated interventional Vascular Device.
References
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Whole Field Measurement of Temperature in Water using Two-Color Laser Induced Fluorescence
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