The thermal conductivity of toluene and water |
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| Authors: | M L V Ramires J M N A Fareleira C A Nieto de Castro M Dix W A Wakeham |
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| Affiliation: | (1) Departamento de Química, Faculdade de Ciências da Universidade de Lisboa, Campo Grande, Edifício C1, 1700 Piso 5, Lisboa, Portugal;(2) Departamento de Engenharia Química, Instituto Superior Técnico, A. Rovisco Pais, 1096 Lisboa Codex, Portugal;(3) Department of Chemical Engineering and Chemical Technology, Imperial College, Prince Consort Road, SW7 2BY London, UK |
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| Abstract: | A new instrument is presented to measure the thermal conductivity of polar and electrically conducting liquids based on the
transient coated hot-wire method. The performance of the apparatus has been assessed with toluene and water, which are recognized
as standard reference materials for nonpolar and polar fluids, respectively. New results are reported fort the thermal conductivity
of these liquids between 298 and 370 K and at pressures slightly above the saturation. The results show that the instrument
is capable of an accuracy better than ±0.5%, while the precision and reproducibility are better than ±0.3%. |
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| Keywords: | thermal conductivity toluene transient hot-wire water |
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