Thermal diffusion in a forced flow at small Re and Pe

B. Lacabanne; Ph. Georis; R. Creff

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Thermal diffusion in a forced flow at small Re and Pe

机译：Re和Pe小时强制流动中的热扩散

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We consider the problem of a homogene- ous binary mixture flowing in a tube under the action of a pressure gradient. The radius of the tube is assumed to be samll and the flow slow in such a way that Pe 10 and Re 1. A temperature gradient parallel to the flow direction is imposed, either directly in the fluid or through the tube walls. Under such hypothesis, this configuration may represent on the local scale, the thermal dif- fusion arising in the porous matrix of thermo gravitational column or in a catalytic bed.

机译：我们考虑均质二元混合物在压力梯度作用下在管中流动的问题。假定管的半径是小直径，且流速以Pe 10和Re 1的方式减慢。直接在流体中或通过管壁施加平行于流动方向的温度梯度。在这种假设下，这种构型可以在局部尺度上表示热引力柱的多孔基质中或催化床中产生的热扩散。

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《Entropie》 |1999年第218期|p.70-70|共1页
作者
B. Lacabanne; Ph. Georis; R. Creff;
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正文语种 eng
中图分类热力工程、热机;
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Thermal diffusion in a forced flow at small Re and Pe

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