期刊
APPLIED RADIATION AND ISOTOPES
卷 112, 期 -, 页码 136-140出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.apradiso.2016.03.029
关键词
Modelling phase; Dynamic experiment; Radioactive gauge; Phenomenological model
The design of radiation measurement systems includes a modelling phase which ascertains the best 3D geometry for a projected gauge. To simulate measured counts by a detector, the widely-used rigorous phenomenological model is used. However, this model does not consider possible source or/and detector movement during a measurement interval. Therefore, the phenomenological model has been successfully modified in order to consider such a displacement during the time sampling interval in dynamic experiments. To validate the proposed model, a simple radiation system was accurately implemented in the MCNP5 code. The experiments confirmed the accuracy of the proposed model. (C) 2016 Elsevier Ltd. All rights reserved.
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