The thermal diffusivity and thermal conductivity coefficient of methanol vapour |
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| Institution: | 1. Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Changchun 130103, Jilin Province, People''s Republic of China;2. State Key Laboratory of Superhard Materials, Jilin University, Changchun 130012, Jilin Province, People''s Republic of China;3. Institute of Translational Medicine, the First Hospital, Jilin University, Changchun 130061, Jilin Province, People''s Republic of China;4. College of Information and Technology, Jilin Normal University, Siping 136000, Jilin Province, People''s Republic of China |
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| Abstract: | The thermal diffusivity of methanol vapour is measured by the thermal lens technique giving values of 0.76, 1.02, 1.70 and 1.78 N s−1 at 321, 341, 377 and 405 K respectively. These thermal diffusivities are shown to be pressure-independent, the pressure dependence of the thermal conductivity merely reflecting the pressure-dependent heat capacity caused by the presence of dimers and tetramers. |
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