Fick离散模型的新改进

为了克服传统Fick离散模型的缺陷,本文提出一种新的改进,即保留Fick模型的方程形式但增加一个参数的时空虚拟源模型。该模型与偏态严重的实测数据也能完美地符合,比传统Fick模型和许多非Fick模型优越。本文还对时空虚拟源模型作了理论探讨,并讨论了参数估计方法。

A NEW IMPROVEMENT ON FICKIAN DISPERSION MODEL

A modified Fickian dispersion model, imaginary source model, was developed. The new model took the same equation form as Fickian model, but a time and distance imagined source was used instead of a real one. The theoretical explanation and the experimental verification were provided and the prediction by the new model was consistent with the experimental data, though the latter was highly skewed.