Fermentation 发表于 2025-3-23 11:06:03
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Transport in Dilute Media,ain an expression for the thermal conductivity of a gas. We then turn to non-LTE regimes and in particular the ballistic transport regime which arises when the characteristic size of the system is smaller than the mean free path (or the observation time is shorter than the average time elapsed betwe线 发表于 2025-3-24 06:17:14
Electrons and Phonons,e have seen, this notion can only be defined for length and time scales greater than the mean free path and the average time between consecutive collisions, respectively..In this Chapter, we explain how to transpose this kinetic approach. to the case of electrons and phonons. The first step is to deentreat 发表于 2025-3-24 09:37:13
Introduction to Radiative Transfer, describe the various transport regimes (ballistic, multiple scattering and diffusive) and stress the analogy between this situation and the problem of heat conduction..In the second part (Sect. 4), we treat the case of systems with characteristic sizes less than the wavelength and the coherence lenCHURL 发表于 2025-3-24 11:45:21
Solution of the Boltzmann Equationfor Phonon Transport,the internal energy and flux are evaluated using quadrature formulas. Whereas the partial differential equation derived in the . . approach can be solved by standard methods, the numerical system associated with the discrete ordinate method is more specific, particularly in cylindrical geometries.cancellous-bone 发表于 2025-3-24 15:50:38
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