Computational personal dosimetry at a realistic neutron workplace field

O. Van Hoey; M. Abdelrahman; F. Vanhavere; P. Lombardo; J. S. Eakins; L. G. Hager; J. T.M. Jansen; R. J. Tanner

doi:10.1016/j.radmeas.2022.106867

Computational personal dosimetry at a realistic neutron workplace field

O. Van Hoey^*, M. Abdelrahman, F. Vanhavere, P. Lombardo, J. S. Eakins, L. G. Hager, J. T.M. Jansen, R. J. Tanner

^*Corresponding author for this work

UK Health Security Agency

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

Abstract

Some drawbacks of monitoring radiation worker doses with personal dosimeters could be avoided by the introduction of computational dosimetry based on 3D cameras for tracking of workers, modelling the workplace and its radiation field, and dose calculation using computer simulations. The PODIUM (Personal Online DosImetry Using computational Methods) project was setup to demonstrate the feasibility of this approach. The goal of this paper is to demonstrate the feasibility of the computational dosimetry approach developed within the PODIUM project at a realistic neutron workplace field. A transport container with spent MOX fuel needles in a controlled area at SCK CEN was selected as a realistic neutron workplace field for this feasibility study. An MCNP6.2 model of this workplace was developed and successfully validated by comparing simulations with extensive measurements. After validation, the model was used to calculate an effective dose rate map of the workplace field. A single 3D camera was setup at the workplace to track the workers. Using a Python tool, the effective dose rate map, and the tracking file from the camera, the effective dose of the tracked worker could then easily be calculated.

Original language	English
Article number	106867
Journal	Radiation Measurements
Volume	159
DOIs	https://doi.org/10.1016/j.radmeas.2022.106867
Publication status	Published - Dec 2022

Bibliographical note

Funding Information:
This work was performed in the framework of the PODIUM project that received funding from the Euratom research and training programme 2014–2018 under grant agreement No. 662287. The authors also wish to acknowledge the collaboration with Raylab for the DIAMON measurements and the dosimetry labs of Cavendish Nuclear and Dstl CBR Division of the Institute of Naval Medicine for providing and analyzing their personal neutron dosimeters.

Funding Information:
This work was performed in the framework of the PODIUM project that received funding from the Euratom research and training programme 2014–2018 under grant agreement No. 662287 .

Publisher Copyright:
© 2022

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10.1016/j.radmeas.2022.106867

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title = "Computational personal dosimetry at a realistic neutron workplace field",

abstract = "Some drawbacks of monitoring radiation worker doses with personal dosimeters could be avoided by the introduction of computational dosimetry based on 3D cameras for tracking of workers, modelling the workplace and its radiation field, and dose calculation using computer simulations. The PODIUM (Personal Online DosImetry Using computational Methods) project was setup to demonstrate the feasibility of this approach. The goal of this paper is to demonstrate the feasibility of the computational dosimetry approach developed within the PODIUM project at a realistic neutron workplace field. A transport container with spent MOX fuel needles in a controlled area at SCK CEN was selected as a realistic neutron workplace field for this feasibility study. An MCNP6.2 model of this workplace was developed and successfully validated by comparing simulations with extensive measurements. After validation, the model was used to calculate an effective dose rate map of the workplace field. A single 3D camera was setup at the workplace to track the workers. Using a Python tool, the effective dose rate map, and the tracking file from the camera, the effective dose of the tracked worker could then easily be calculated.",

author = "{Van Hoey}, O. and M. Abdelrahman and F. Vanhavere and P. Lombardo and Eakins, {J. S.} and Hager, {L. G.} and Jansen, {J. T.M.} and Tanner, {R. J.}",

note = "Funding Information: This work was performed in the framework of the PODIUM project that received funding from the Euratom research and training programme 2014–2018 under grant agreement No. 662287. The authors also wish to acknowledge the collaboration with Raylab for the DIAMON measurements and the dosimetry labs of Cavendish Nuclear and Dstl CBR Division of the Institute of Naval Medicine for providing and analyzing their personal neutron dosimeters. Funding Information: This work was performed in the framework of the PODIUM project that received funding from the Euratom research and training programme 2014–2018 under grant agreement No. 662287 . Publisher Copyright: {\textcopyright} 2022",

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AB - Some drawbacks of monitoring radiation worker doses with personal dosimeters could be avoided by the introduction of computational dosimetry based on 3D cameras for tracking of workers, modelling the workplace and its radiation field, and dose calculation using computer simulations. The PODIUM (Personal Online DosImetry Using computational Methods) project was setup to demonstrate the feasibility of this approach. The goal of this paper is to demonstrate the feasibility of the computational dosimetry approach developed within the PODIUM project at a realistic neutron workplace field. A transport container with spent MOX fuel needles in a controlled area at SCK CEN was selected as a realistic neutron workplace field for this feasibility study. An MCNP6.2 model of this workplace was developed and successfully validated by comparing simulations with extensive measurements. After validation, the model was used to calculate an effective dose rate map of the workplace field. A single 3D camera was setup at the workplace to track the workers. Using a Python tool, the effective dose rate map, and the tracking file from the camera, the effective dose of the tracked worker could then easily be calculated.

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Computational personal dosimetry at a realistic neutron workplace field

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