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Study of binary thermal diffusion in a cold wall CVD reactor

机译:冷壁CVD反应器中二元热扩散的研究

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In cold wall CVD reactors, large temperature gradients are present in the vicinity of the hot substrate as a result of natural convection effects. Hence, the gas species in an initially homogeneous gas mixture could be separated under the influence of the thermal diffusion (Sore effect) which is as important as the species molar masses are different. A mathematical model witch includes the coupled Navier-Stokes, heat and mass transfer equations has been developed to carry out and evaluate the importance of the thermal diffusion in the reactor.
机译:在冷壁CVD反应器中,由于自然对流效应,在热基板附近存在较大的温度梯度。因此,可以在热扩散(Sore效应)的影响下分离出最初均质的气体混合物中的气体,这与物质的摩尔质量不同同样重要。数学模型包括耦合的Navier-Stokes,已开发了传热和传质方程,以执行和评估反应堆中热扩散的重要性。

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