Aircrew Exposure To Cosmic Radiation Evaluated By Means Of Several Methods; Results Obtained In 2006

Routine evaluation of aircraft crew exposure to cosmic radiation in the Czech Republic is performed by means of calculation method. Measurements onboard aircraft work as a control tool of the routine method, as well as a possibility of comparison of results measured by means of several methods. The...

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Bibliographic Details
Main Authors: Ploc, Ondrej, Spurny, Frantigek, Jadrnickova, Iva, Turek, Karel
Format: Conference Proceeding
Language:English
Subjects:
AVIATION PERSONNEL
BACKGROUND RADIATION
CALCULATION METHODS
CALIBRATION
COMPARATIVE EVALUATIONS
CONTROL
COSMIC RADIATION
CZECH REPUBLIC
DIELECTRIC TRACK DETECTORS
NATURAL RADIOACTIVITY
PERSONNEL DOSIMETRY
PERSONNEL MONITORING
RADIATION PROTECTION AND DOSIMETRY
SI SEMICONDUCTOR DETECTORS
THERMOLUMINESCENT DOSEMETERS
THERMOLUMINESCENT DOSIMETRY
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Summary:Routine evaluation of aircraft crew exposure to cosmic radiation in the Czech Republic is performed by means of calculation method. Measurements onboard aircraft work as a control tool of the routine method, as well as a possibility of comparison of results measured by means of several methods. The following methods were used in 2006: (1) mobile dosimetry unit (MDU) type Liulin - a spectrometer of energy deposited in Si-detector; (2) two types of LET spectrometers based on the chemically etched track detectors (TED); (3) two types of thermoluminescent detectors; and (4) two calculation methods. MDU represents currently one of the most reliable equipments for evaluation of the aircraft crew exposure to cosmic radiation. It is an active device which measures total energy depositions (Ed,) in the semiconductor unit, and, after appropriate calibration, is able to give a separate estimation for non-neutron and neutron-like components of H*(10). This contribution consists mostly of results acquired by means of this equipment; measurements with passive detectors and calculations are mentioned because of comparison. Reasonably good agreement of all data sets could be stated.
ISSN:0094-243X
1551-7616
DOI:10.1063/1.2991284