Japanese Journal of Health Physics
Online ISSN : 1884-7560
Print ISSN : 0367-6110
ISSN-L : 0367-6110
A Caluculation for the Shielding Experiment of a Vehicle on the Infinite Surface Contaminated with Radioactive Materials
Tatsuo URAI
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1967 Volume 2 Issue 4 Pages 155-159

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Abstract

A method for simulating the effect of radiation at a certain point inside of vehicle originating the infinite surface contaminated uniformly with the radioactive material, has been studied. On the circumference of radius of about the length of a vehicle, a pole is set on which radioactive sources are distributed depending upon the distribution function calculated in this paper. The dose-rates of radiation at the same point are measured in the both cases: one is inside the vehicle and the other without vehicle and the ratio between both cases was calculated, which indicates the shielding-coefficient. An experimental example has also been made using a special vehicle. The shielding-coefficint of this vehicle was about 6%.

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