染色过程对流扩散动力学模型研究
首发时间:2007-10-22
摘要:本文针对染料在染液中的对流扩散问题,建立了染色过程中的对流扩散动力学模型,并应用特征差分算法对该模型进行了分析求解,结果表明在流动染液中染料扩散速度主要决定于染液的流动。此外,通过对动力学模型的求解我们还可以知道染浴中各点的染料浓度随时间的变化过程。
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A study on convection-diffusion Kinetics model in dyeing processes
Abstract:In this paper, considering the convection-diffusion processes of the dyestuff we present a convection-diffusion kinetics model in dyeing processes . Then we solved the convection-diffusion kinetics model by characteristic-difference method. The results show that the diffusion rate of dyestuff is mainly lied on the velocity of fluid dyebath. On the other hand, with the help of this kinetics model, we can know the chroma of dyestuff in everywhere at any time in the dyebath.
Keywords: dyestuff diffusion convection-diffusion equation, characteristic-difference method
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