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Dependence of Heat Transport in Solids on Length-Scale, Pressure, and Temperature: Implications for Mechanisms and Thermodynamics
Accurate laser-flash measurements of thermal diffusivity (D) of diverse bulk solids at moderate temperature (T), with thickness L of ~0.03 to 10 mm, reveal that D(T) = D(∞)(T)[1 − exp(−bL)]. When L is several mm, D(∞)(T) = FT(−G) + HT, where F is constant, G is ~1 or 0, and H (for insulators) is ~0....
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
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MDPI
2021
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7831911/ https://www.ncbi.nlm.nih.gov/pubmed/33477677 http://dx.doi.org/10.3390/ma14020449 |