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Thermal and mass convection - General principles

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Thermal and mass convection - General principles

Author : Jacques PADET

Publication date: July 10, 2005, Review date: January 18, 2017 | Lire en français

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1. Context

The design of the convection article is very different from that of the conduction article. In the latter case, the entire temperature field must be determined as a function of place and time throughout the solid. This is done in three steps. The general solution of the heat equation is obtained in a first step by analytical or, in most cases, numerical resolutions. In a second step, some of the integration constants are determined by considering the thermal boundary conditions. This is sufficient for stationary conduction (t=0) , the latter case often presenting itself as the asymptotic solution, when time t ® ∞, of a transient solution. When calculating the transient...

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