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Integration of Ground-Penetrating Radar and Gamma-Ray Detectors for Nonintrusive Characterisation of Buried Radioactive Objects

Research output: Contribution to Journal/Magazine › Journal article › peer-review

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Integration of Ground-Penetrating Radar and Gamma-Ray Detectors for Nonintrusive Characterisation of Buried Radioactive Objects. / Ukaegbu, Ikechukwu; Akurugoda Gamage, Kelum; Aspinall, Michael.
In: Sensors, Vol. 19, No. 12, 2743, 18.06.2019.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Ukaegbu, I, Akurugoda Gamage, K & Aspinall, M 2019, 'Integration of Ground-Penetrating Radar and Gamma-Ray Detectors for Nonintrusive Characterisation of Buried Radioactive Objects', Sensors, vol. 19, no. 12, 2743. https://doi.org/10.3390/s19122743

APA

Ukaegbu, I., Akurugoda Gamage, K., & Aspinall, M. (2019). Integration of Ground-Penetrating Radar and Gamma-Ray Detectors for Nonintrusive Characterisation of Buried Radioactive Objects. Sensors, 19(12), Article 2743. https://doi.org/10.3390/s19122743

Vancouver

Ukaegbu I, Akurugoda Gamage K, Aspinall M. Integration of Ground-Penetrating Radar and Gamma-Ray Detectors for Nonintrusive Characterisation of Buried Radioactive Objects. Sensors. 2019 Jun 18;19(12):2743. doi: 10.3390/s19122743

Author

Ukaegbu, Ikechukwu ; Akurugoda Gamage, Kelum ; Aspinall, Michael. / Integration of Ground-Penetrating Radar and Gamma-Ray Detectors for Nonintrusive Characterisation of Buried Radioactive Objects. In: Sensors. 2019 ; Vol. 19, No. 12.

Bibtex

@article{84e4717a478f41f6938371bf1c6ef012,
title = "Integration of Ground-Penetrating Radar and Gamma-Ray Detectors for Nonintrusive Characterisation of Buried Radioactive Objects",
abstract = "The characterisation of buried radioactive wastes is challenging because they are not readily accessible.~Therefore, this study reports on the development of a method for integrating ground-penetrating radar (GPR) and gamma-ray detector measurements for nonintrusive characterisation of buried radioactive objects. The method makes use of the density relationship between soil permittivity models and the flux measured by gamma ray detectors to estimate the soil density, depth and radius of a disk-shaped buried radioactive object simultaneously. The method was validated using numerical simulations with experimentally-validated gamma-ray detector and GPR antenna models.~The results showed that the method can simultaneously retrieve the soil density, depth and radius of disk-shaped radioactive objects buried in soil of varying conditions with a relative error of less than 10%. This result will enable the development of an integrated GPR and gamma ray detector tool for rapid characterisation of buried radioactive objects encountered during monitoring and decontamination of nuclear sites and facilities.",
keywords = "ground-penetrating radar, gamma ray detector, sensor fusion, nuclear wastes, nuclear decommissioning, radiation detection, radiological characterisation",
author = "Ikechukwu Ukaegbu and {Akurugoda Gamage}, Kelum and Michael Aspinall",
year = "2019",
month = jun,
day = "18",
doi = "10.3390/s19122743",
language = "English",
volume = "19",
journal = "Sensors",
issn = "1424-8220",
publisher = "Multidisciplinary Digital Publishing Institute (MDPI)",
number = "12",

}

RIS

TY - JOUR

T1 - Integration of Ground-Penetrating Radar and Gamma-Ray Detectors for Nonintrusive Characterisation of Buried Radioactive Objects

AU - Ukaegbu, Ikechukwu

AU - Akurugoda Gamage, Kelum

AU - Aspinall, Michael

PY - 2019/6/18

Y1 - 2019/6/18

N2 - The characterisation of buried radioactive wastes is challenging because they are not readily accessible.~Therefore, this study reports on the development of a method for integrating ground-penetrating radar (GPR) and gamma-ray detector measurements for nonintrusive characterisation of buried radioactive objects. The method makes use of the density relationship between soil permittivity models and the flux measured by gamma ray detectors to estimate the soil density, depth and radius of a disk-shaped buried radioactive object simultaneously. The method was validated using numerical simulations with experimentally-validated gamma-ray detector and GPR antenna models.~The results showed that the method can simultaneously retrieve the soil density, depth and radius of disk-shaped radioactive objects buried in soil of varying conditions with a relative error of less than 10%. This result will enable the development of an integrated GPR and gamma ray detector tool for rapid characterisation of buried radioactive objects encountered during monitoring and decontamination of nuclear sites and facilities.

AB - The characterisation of buried radioactive wastes is challenging because they are not readily accessible.~Therefore, this study reports on the development of a method for integrating ground-penetrating radar (GPR) and gamma-ray detector measurements for nonintrusive characterisation of buried radioactive objects. The method makes use of the density relationship between soil permittivity models and the flux measured by gamma ray detectors to estimate the soil density, depth and radius of a disk-shaped buried radioactive object simultaneously. The method was validated using numerical simulations with experimentally-validated gamma-ray detector and GPR antenna models.~The results showed that the method can simultaneously retrieve the soil density, depth and radius of disk-shaped radioactive objects buried in soil of varying conditions with a relative error of less than 10%. This result will enable the development of an integrated GPR and gamma ray detector tool for rapid characterisation of buried radioactive objects encountered during monitoring and decontamination of nuclear sites and facilities.

KW - ground-penetrating radar

KW - gamma ray detector

KW - sensor fusion

KW - nuclear wastes

KW - nuclear decommissioning

KW - radiation detection

KW - radiological characterisation

U2 - 10.3390/s19122743

DO - 10.3390/s19122743

M3 - Journal article

VL - 19

JO - Sensors

JF - Sensors

SN - 1424-8220

IS - 12

M1 - 2743

ER -