Inhomogeneous Media Right Sr, U Migration Of Experimental Study

Radionuclide migration of radioactive waste disposal safety evaluation of the important components of nuclides in the current inhomogeneous mediumof migration and foreign experts have been unable to overcome the problem, To find the inhomogeneous mediumof migration, the papers to Sr, U in inhomogeneous medium migration based on the experiments using instantaneous source of experimental studies, with a view to adopting some experiments in heterogeneous radionuclide migration awareness and the law.This paper is the design of 15 soil column to simulate relatively simple hydrogeological prototype on experimental data analysis, summarized some Sr,U uniform and non-uniform dielectric medium migration characteristics, explore the Sr, U in non-homogeneous media migration mechanisms.Radionuclide migration process generally follows the evolution of nonlinear systems with the universal law, that is, from disorder to order, by the Order to Chaos, and a process of uncertainty and randomness of a whole. Therefore, radionuclide migration in the overall unity of decision we can experiment understanding nuclides inhomogeneous medium migration of certain laws. Research through the use of fractal theory and the power-law rules, indirect reveal the radionuclide migration rate stranded with non-uniform coefficient of the relationship between the media, that the size of medium size and the uniformity of radionuclide migration affects the speed and penetration coefficient stranded. MATLAB software Sr,U in the soil column migration curve fitting, fitting Sr, U curve over the relocation of the exponential function, the reaction of Sr, U heterogeneity in the migration to the same point with different points.Inhomogeneous media and the complexity of the nonlinear theory is profound, is far from being able to rely on an experimental study can be resolved, need further study. However, in reality the process, Nonlinear analysis of the methods of radionuclide migration stranded coefficient and radionuclide migration rate Analysis of the surrounding geological radionuclide media and its uniform, has good practical significance. Therefore, the non-linear theory provided the new idea for the non-homogeneous radionuclide migration feature.