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Comparison of airborne radiation detectors carried by rotary-wing unmanned aerial systems

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10.1016/j.radmeas.2021.106595
 
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hdl:2117/348796

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Vargas Drechsler, ArturoMés informacióMés informacióMés informació
Costa Vargas, Daniel
Macias López, MiquelMés informacióMés informació
Royo Chic, PabloMés informacióMés informacióMés informació
Pastor Llorens, EnricMés informacióMés informacióMés informació
Luchkov, MaksymMés informació
Neumaier, Stefan
Stöhlker, Ulrich
Luff, Roger
Document typeArticle
Defense date2020
Rights accessOpen Access
Attribution-NonCommercial-NoDerivs 3.0 Spain
Except where otherwise noted, content on this work is licensed under a Creative Commons license : Attribution-NonCommercial-NoDerivs 3.0 Spain
Abstract
The Universitat Politecnica de Catalunya (UPC), the Physikalisch-Technische Bundesanstalt (PTB) and the German Federal Office of Radiation Protection (BfS) have analysed the response of a 2”x2” (diameter x height) NaI and a 1.5”x1.5” CeBr3 scintillators, and a 1500 mm3 CZT semiconductor airborne spectrometric detectors mounted on Unmanned Aerial Vehicles (UAV) in a comparison campaign carried out in the aerial site of Mollerussa (Spain). The background count rates and H*(10) rates measured by the airborne detectors at the aerial site and with a 137Cs point source of 345 MBq have been compared at altitudes of 1.5 m, 10 m, 20 m, 40 m, 60 m and 100 m a.g.l. (above ground level). Furthermore, natural activity concentrations in soil have been calculated with different methodologies using the spectra acquired in the background flights. The airborne detectors together with the implemented calculation methodologies show in general a good agreement. The CZT detector has a significant lower efficiency than both scintillators due to the smaller size and, therefore shows poorer results. Finally, parallel flights over the 137Cs point source at 10 m, 20 m and 40 m were carried to evaluate the methods implemented by the three teams to localize point sources. The three systems were able to locate properly the source.
CitationVargas, A. [et al.]. Comparison of airborne radiation detectors carried by rotary-wing unmanned aerial systems. "Radiation measurements", 2020, vol. 145, núm. July 2021, p. 1-12. 
URIhttp://hdl.handle.net/2117/348796
DOI10.1016/j.radmeas.2021.106595
ISSN1350-4487
Publisher versionhttps://www.sciencedirect.com/science/article/pii/S1350448721001098
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  • Departament d'Arquitectura de Computadors - Articles de revista [910]
  • Doctorat en Enginyeria Nuclear i de les Radiacions Ionitzants - Articles de revista [30]
  • DRM - Dosimetria i Radiofísica Mèdica - Articles de revista [79]
  • ICARUS - Intelligent Communications and Avionics for Robust Unmanned Aerial Systems - Articles de revista [95]
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