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Revista mexicana de física E
versión impresa ISSN 1870-3542
Resumen
DELGADO VASALLO, O. y MARIN, E.. Comment to the article “On thermal waves velocity: some open questions in thermal waves physics”, Rev. Mex. Fis. E 62 (2016) 1-4. Rev. mex. fís. E [online]. 2016, vol.62, n.2, pp.78-79. ISSN 1870-3542.
It is showed here that an upper limit must exist for the speed of thermal waves because Fourier’s laws of heat conduction cannot be used at very short length scales, but only over a length larger than the mean free path of the heat carriers.
Palabras llave : Heat transfer; thermal waves; second sound.