Actions of nbc reconnaissance units during search for small sites of radioactive contamination
DOI:
https://doi.org/10.33577/2312-4458.22.2020.74-81Keywords:
NBC reconnaissance, radioactive contamination, methods of NC reconnaissanceAbstract
The optimal ways of searching for small sites of radioactive contamination, so-called "dead" zones, which are formed in case of destruction of dangerous objects that use, process, store and transport radioactive agents during conducting reconnaissance by the NBC units, are analyzed. The following research methods have been applied: bibliographic, analytical, systematic and informational approach. The following ways of searching (reconnaissance) of contaminated sites of the area are considered: the zigzag locate technique, the boustrophedon technique, the classical and rectangular spiral technique and the star survey technique. The length of the route was determined and the optimal parameters for their carrying out under certain conditions were established. The zigzag method (29-52%) is found to be the most effective, while the star survey technique is fast but ineffective. The probability of finding contaminated sites based on the height of the location of the detection unit and the energy of γ-quanta of radioisotopes, which are formed during the destruction of a nuclear reactor, disruption of nuclear and thermonuclear ammunition, is calculated. Increasing the probability of finding depends on the distance between the routes, their length, as well as the specifications of the radiation reconnaissance devices. Removal of the detection unit outside the reconnaissance vehicle increases the search efficiency, which depends on the specifications of the detection units of radiation reconnaissance devices. It is shown that the use of aerial reconnaissance equipment significantly increases the survey area and the efficiency of detecting a radiation situation by productivity, since the detection unit is located at a significantly higher altitude than 3 m. Requirements for technical specifications of unmanned aerial vehicles of radiation reconnaissance are formulated. It is determined that in order to fully accomplish the task of radiation reconnaissance, it is necessary to use the means of aerial and ground radiation reconnaissance in a complex way, complementing one tool with another.
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