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ISSN Imprimer: 1064-2285
ISSN En ligne: 2162-6561
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EXPERIMENTAL STUDY OF THERMAL CONDUCTIVITY OF BORIC ACID−WATER SOLUTIONS
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RÉSUMÉ
In this study, it was primarily aimed to prepare and examine the impacts of temperature and weight concentration on the thermophysical characteristics of boric acid-water solutions. Estimation of the boric acid structure was performed by SEM, FT-IR, XRD, and UV-Vis spectrophotometer. Then, homogeneous and stable aqueous boric acid was prepared with a probe sonicator at different weight concentrations. The impacts of boric acid concentration and temperature on thermal conductivity were examined. Thermal conductivity measurements show that boric acid-water solutions have higher thermal conductivity compared to water. There is a strong association between the improvement in thermal conductivity and the concentration of boric acid, and it increases along with the increase in loading. In case the loading of boric acid is 3.0 wt.%, the enhancement ratio is found as 3.95% at a temperature of 25°C, and in case of the increase in temperature to 50°C, the enhancement reaches 5.39%. Thus, the temperature in the temperature range measured determines the enhancement level.
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