摘要The convective dispersion equation with adsorption is derived on the basis of the Chapman-Kolmogroff equation which expresses the statistical properties of the Markov transition probability. The acquired equation has the same expression as the one derived on the basis of the combination of both the mass balance equation and the particles retention kinetics equation. The probability variables that describe the random movement of solute particles have a definite physical significance associated with the parameters in the convective dispersion equation. The derivation confirms the validity of the Markov process to describe the particles movement in the process of convective dispersion.
Abstract：The convective dispersion equation with adsorption is derived on the basis of the Chapman-Kolmogroff equation which expresses the statistical properties of the Markov transition probability. The acquired equation has the same expression as the one derived on the basis of the combination of both the mass balance equation and the particles retention kinetics equation. The probability variables that describe the random movement of solute particles have a definite physical significance associated with the parameters in the convective dispersion equation. The derivation confirms the validity of the Markov process to describe the particles movement in the process of convective dispersion.
WU Jing-Chun;QIN Sheng-Gao;WANG Yang. Derivation of the Convective Dispersion Equation with Adsorption by Markov Random Ways[J]. 中国物理快报, 2009, 26(8): 84702-084702.
WU Jing-Chun, QIN Sheng-Gao, WANG Yang. Derivation of the Convective Dispersion Equation with Adsorption by Markov Random Ways. Chin. Phys. Lett., 2009, 26(8): 84702-084702.
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2009, Vol. 26 
