Temperature field measurement of convective flow in a Hele-Shaw Cell with TLC and color image processing

Title & Authors
Temperature field measurement of convective flow in a Hele-Shaw Cell with TLC and color image processing
Yun, Jeong-Hwan; Do, Deok-Hui; Lee, Sang-Jun;

Abstract
Variation of temperature field in a Hele-Shaw convection cell was measured by using a HSI true color image processing system and TLC(Thermochromic Liquid Crystal) solution. The relationship between the hue value of TLC color image and real temperature was obtained and this calibration result was used to measure the true temperature. The temperature field in the Hele-Shaw convection cell shows periodic characteristics of 45 sec at Ra = 9.3 * 10$\small{\^}$6/. The temperature field measurement technique developed in this study was proved to be a useful and powerful tool for analyzing the unsteady thermal fluid flows.
Keywords
Thermochromic Liquid Crystal(TLC);Temperature Field;Color Image Processing;Hele-Shaw Cell(HSC);
Language
Korean
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