期刊
MOLECULES
卷 25, 期 17, 页码 -出版社
MDPI
DOI: 10.3390/molecules25173816
关键词
thermal conductivity; deep eutectic solvent; choline chloride; ionic liquids; group contribution
资金
- American University of Sharjah
- Open Access Program from the American University of Sharjah
The thermal conductivities of selected deep eutectic solvents (DESs) were determined using the modified transient plane source (MTPS) method over the temperature range from 295 K to 363 K at atmospheric pressure. The results were found to range from 0.198 W center dot m(-1)center dot K(-1)to 0.250 W center dot m(-1)center dot K-1. Various empirical and thermodynamic correlations present in literature, including the group contribution method and mixing correlations, were used to model the thermal conductivities of these DES at different temperatures. The predictions of these correlations were compared and consolidated with the reported experimental values. In addition, the thermal conductivities of DES mixtures with water over a wide range of compositions at 298 K and atmospheric pressure were measured. The standard uncertainty in thermal conductivity was estimated to be less than +/- 0.001 W center dot m(-1)center dot K(-1)and +/- 0.05 K in temperature. The results indicated that DES have significant potential for use as heat transfer fluids.
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