Essex Christopher, Das Indrani
Department of Applied Mathematics, the University of Western Ontario, London, ON N6A 5B7, Canada.
Entropy (Basel). 2020 Oct 14;22(10):1153. doi: 10.3390/e22101153.
Dissimilar flows can be compared by exploiting the fact that all flux densities divided by their conjugate volume densities form velocity fields, which have been described as generalized winds. These winds are an extension of the classical notion of wind in fluids which puts these distinct processes on a common footing, leading to thermodynamical implications. This paper extends this notion from fluids to radiative transfer in the context of a classical two-stream atmosphere, leading to such velocities for radiative energy and entropy. These are shown in this paper to exhibit properties for radiation previously only thought of in terms of fluids, such as the matching of velocity fields where entropy production stops.
通过利用这样一个事实，可以对不同的流进行比较：所有通量密度除以其共轭体积密度会形成速度场，这些速度场被描述为广义风。这些风是流体中经典风概念的扩展，它将这些不同的过程置于同一基础上，从而产生了热力学方面的影响。本文将这一概念从流体扩展到经典二流大气背景下的辐射传输，得出了辐射能量和熵的此类速度。本文表明，这些速度展现出了以前仅在流体方面才被考虑的辐射特性，比如熵产生停止时速度场的匹配。
