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http://dx.doi.org/10.5407/jksv.2019.17.3.059

Study on Temperature Field Measurement of Fluid using Phophor Particle (Sr,Mg)2SiO4:Eu2+  

Song, Dong Jin (Department of Mechanical Engineering, Kyungnam University)
Lee, Hyunchang (Department of Mechanical Engineering, Kyungnam University)
Publication Information
Journal of the Korean Society of Visualization / v.17, no.3, 2019 , pp. 59-65 More about this Journal
Abstract
Phosphor particles ((Sr,Mg)2 SiO4:Eu2+ were suspended in deionized water in quartz cuvette and used for measuring liquid temperature field by using two-color-ratio method. In the temperature range of 23~77℃, it showed the relative error from 2.4% to 4% and the temperature sensitivity of 0.65 %/℃ at 30℃ and 0.95 %/℃ at 77 ℃. This performance is comparable to measurement techniques using thermographic liquid crystal or laser induced fluorescence or other thermographic phosphor particle. Among investigated potential error sources, the particle number density affected the intensity ratio and the temperature, but the effect of laser fluence was not evident.
Keywords
Phosphor particle; Two-color-ratio method; Thermographic phosphor; Liquid temperature field measurement;
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