Protective structures for storing spent nuclear fuel from the Zaporozhye NPP

Protective structures for storing spent nuclear fuel from the Zaporozhye NPP

The propagation of γ-rays emitted from a ventilated storage container with spent nuclear fuel is calculated using a model of a cylindrical surface source. The parameters of a protective structure which are adequate for safe operating conditions are determined. It is shown that because the average en...

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Bibliographic Details
Published in:Atomic energy (New York, N.Y.) Vol. 112; no. 4; pp. 261 - 268
Main Authors: Zalubovsky, I. I., Pismenetskiy, S. A., Rudychev, V. G., Klimov, S. P., Kravets, V. M., Luchnaja, A. E., A.Tishchenko, V., Rudychev, E. V.
Format: Journal Article
Language:English
Published: Boston Springer US 01-08-2012
Springer
Springer Nature B.V
Subjects:
Angular distribution
Approximation
Concrete
Containers
Gamma rays
Hadrons
Heavy Ions
Nuclear Chemistry
Nuclear Energy
Nuclear fuels
Nuclear industry
Nuclear Physics
Nuclear power plants
Nuclear radiation
Physics
Physics and Astronomy
Radiation
Spent reactor fuels
Studies
Ventilation
Repository Site
Spend Nuclear Fuel
Dose Rate
Protective Structure
Natural Background Level
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Summary:The propagation of γ-rays emitted from a ventilated storage container with spent nuclear fuel is calculated using a model of a cylindrical surface source. The parameters of a protective structure which are adequate for safe operating conditions are determined. It is shown that because the average energy of the radiation decreases after passing through 30-cm concrete protection the dose rate drops rapidly away from the storage facility. It is found that the combined effect of the angular distribution of the radiation from the containers and their arrangement scheme makes it possible to replace massive transport gates with a sluice system. Then the dose rate near the outer gates of the sluice system is kept at the natural background level while the gate structure can be consider lightened.
ISSN:1063-4258
1573-8205
DOI:10.1007/s10512-012-9555-0