水と放射線-その相互作用のシミュレーション(<小特集>水)

概要

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The interaction processes between water and ionizing radiation are briefly described based on well-established knowledge of radiation physics and chemistry, and related simulation studies are introduced. Spur diffusion model describes reactions and diffusion of species in the time region of 10^<-12>-10^<-6>s after the incidence of high energy particles, and can explain very well the chemical behavior of the transient species, especially the experimental results of dependence of their yields on the concentration of solute. However no model can predict quantitatively the behavior of species in the time region less than 10^<-12>s. This paper also touches on a try for the simulation of water radiolysis in the subpicosecond time region. As an example of the application of the simulation study, a simulation of the radiolysis of the coolant in nuclear reactor is shown.
日本シミュレーション学会の論文
1994-06-15