EPJ Web Conf.
Volume 153, 2017ICRS-13 & RPSD-2016, 13th International Conference on Radiation Shielding & 19th Topical Meeting of the Radiation Protection and Shielding Division of the American Nuclear Society - 2016
|Number of page(s)||4|
|Section||2. Shielding Experiments & Benchmarks|
|Published online||25 September 2017|
SCALE/MAVRIC calculation of dose rates measured for a gamma radiation source in a thick-walled transport and storage cask of ductile cast iron with lead inserts
1 Bundesamt für kerntechnische Entsorgungssicherheit (BfE), Postfach 100149, 38201 Salzgitter, Germany
2 WTI Wissenschaftlich-Technische Ingenieurberatung GmbH, Karl-Heinz-Beckurts-Straße 8, 52428 Jülich, Germany
a Corresponding author: Werner.Baumgarten@BfE.bund.de
Published online: 25 September 2017
Dose rate calculations are important for judging the shielding performance of transport casks for radioactive material. Therefore it is important to have reliable calculation tools. We report on measured and calculated dose rates near a thick-walled transport and storage cask of ductile cast iron with lead inserts and a Co-60 source inside. In a series of experiments the thickness of the inserts was varied, and measured dose rates near the cask were compared with SCALE/MAVRIC 6.1.3 and SCALE/MAVRIC 6.2 calculation results. Deviations from the measurements were found to be higher for increased lead thicknesses. Furthermore, it is shown how the shielding material density, air scattering and accounting for the floor influence the quality of the calculation.
© The Authors, published by EDP Sciences, 2017
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