“Fourier’s law”的概念、定义、翻译、参考文献-科学参考

Fourier’s law

Mathematics

In the modelling of heat flow, Fourier’s law states that q =−k∇T, where T denotes temperature, q denotes heat flux, and k is the material’s thermal conductivity. See heat equation, Newton’s law of cooling.

Chemical Engineering

A relationship that states that the steady-state rate of heat transfer by conduction is proportional to the cross-sectional area perpendicular to the direction of flow and to the temperature gradient of the path of conduction:
$Q = - k A \frac{\partial T}{\partial L}$

where k is the thermal conductivity, A is the area, T is the temperature, and L is the distance through which heat flows. The negative sign signifies that heat flow occurs from hot to cold.

单词	Fourier’s law
释义	Fourier’s law Mathematics In the modelling of heat flow, Fourier’s law states that q =−k∇T, where T denotes temperature, q denotes heat flux, and k is the material’s thermal conductivity. See heat equation, Newton’s law of cooling. Chemical Engineering A relationship that states that the steady-state rate of heat transfer by conduction is proportional to the cross-sectional area perpendicular to the direction of flow and to the temperature gradient of the path of conduction: $Q = - k A \frac{\partial T}{\partial L}$ where k is the thermal conductivity, A is the area, T is the temperature, and L is the distance through which heat flows. The negative sign signifies that heat flow occurs from hot to cold.
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