Experimental evaluation of accuracy in determining the direction to a pulsed source of gamma-radiation by a spherical absorber with CdTe detectors in a system of nuclear situation monitoring

Authors

  • Igor Cherniavskiy Military Institute of Tank Forces of the National Technical University "Kharkiv Polytechnic Institute" Poltavskyi Shliakh str., 192, Kharkiv, Ukraine, 61000, Ukraine https://orcid.org/0000-0002-2785-0617
  • Mykola Chomik National Defense University of Ukraine named after Ivan Cherniakhovskyi Povitroflotskyi ave., 28, Kyiv, Ukraine, 03049, Ukraine https://orcid.org/0000-0002-1201-7702
  • Vadym Tiutiunyk National University of Civil Defence of Ukraine Chernyshevska str., 94, Kharkiv, Ukraine, 61023, Ukraine https://orcid.org/0000-0001-5394-6367
  • Ihor Rolin Military Institute of Tank Forces of the National Technical University "Kharkiv Polytechnic Institute" Poltavskyi Shliakh str., 192, Kharkiv, Ukraine, 61000, Ukraine https://orcid.org/0000-0002-2312-6381
  • Viktor Starenkiy State Organization «Grigoriev Institute for Medical Radiology and Oncology of the National Academy of Medical Sciences of Ukraine» Pushkinska str., 82, Kharkiv, Ukraine, 61024 Kharkiv National Medical University Nauky ave., 4, Kharkiv, Ukraine, 61022, Ukraine https://orcid.org/0000-0002-6600-3381
  • Mykhailo Tverezovskyi Odessa Military Academy Fontanska doroha str., 10, Odessa, Ukraine, 65009, Ukraine https://orcid.org/0000-0001-7351-932X
  • Oleksandr Sheptur Kharkiv Petro Vasylenko National Technical University of Agriculture Alchevskykh str., 44, Kharkiv, Ukraine, 61002, Ukraine https://orcid.org/0000-0002-9808-8041
  • Tymur Kurtseitov National Defense University of Ukraine named after Ivan Cherniakhovskyi Povitroflotskyi ave., 28, Kyiv, Ukraine, 03049, Ukraine https://orcid.org/0000-0001-6478-6469
  • Oleksandr Salii National Defense University of Ukraine named after Ivan Cherniakhovskyi Povitroflotskyi ave., 28, Kyiv, Ukraine, 03049, Ukraine https://orcid.org/0000-0002-6876-2170
  • Mykola Pidhorodetskyi National Defense University of Ukraine named after Ivan Cherniakhovskyi Povitroflotskyi ave., 28, Kyiv, Ukraine, 03049, Ukraine https://orcid.org/0000-0003-4807-8635

DOI:

https://doi.org/10.15587/1729-4061.2020.210665

Keywords:

direction determination, gamma-radiation, semiconductor detectors, nuclear situation monitoring system

Abstract

The necessity and possibility of creating a dosimetric channel for determining the direction to the source of penetrating gamma-radiation in the nuclear situation monitoring system have been substantiated. The experimental assessment of a reduced error of the device for determining the direction to pulsed sources of radiation using a spherical absorber and CdTe detectors was carried out. These detectors can be used effectively only if there is appropriate electronic equipment, constructed in accordance with their characteristics and spectral-temporal characteristics of highly intense pulsed radiation. The direction to high-intensity pulsed radiation of linear accelerator Varian Clinac 600C (USA) by telluride-cadmium detectors was determined in the pulsed mode. This allowed conducting an experiment to determine the dependence of the coefficient of proportionality of recording pulses from each detector on the angle of direction to the source of pulsed radiation of the linear accelerator. A reduced error was assessed by comparing the received experimental data with a theoretical dependence based on a physical and mathematical model. It was recommended to divide the entire range of angles from 0° to 360° into five sub-ranges, in which three or two proportionality coefficients are responsible for determining the angle in space on gamma sources. The maximum reduced error does not exceed 10 % and the maximum angle error is not more than 8.4°. The most accurate determining of the angle to a radiation source can be carried out in the presence of a theoretically calculated and experimental database of proportionality coefficients for all angles in space and energy of radiation sources

Author Biographies

Igor Cherniavskiy, Military Institute of Tank Forces of the National Technical University "Kharkiv Polytechnic Institute" Poltavskyi Shliakh str., 192, Kharkiv, Ukraine, 61000

PhD, Associate Professor

Department of NBC Defense

Mykola Chomik, National Defense University of Ukraine named after Ivan Cherniakhovskyi Povitroflotskyi ave., 28, Kyiv, Ukraine, 03049

PhD, Senior Research

Center for Military and Strategic Studies

Vadym Tiutiunyk, National University of Civil Defence of Ukraine Chernyshevska str., 94, Kharkiv, Ukraine, 61023

Doctor of Technical Sciences, Senior Research

Department of Management and Organization of Civil Protection

Ihor Rolin, Military Institute of Tank Forces of the National Technical University "Kharkiv Polytechnic Institute" Poltavskyi Shliakh str., 192, Kharkiv, Ukraine, 61000

Doctor of Military Sciences, Associate Professor

Department of Tactics and Special Subjects

Viktor Starenkiy, State Organization «Grigoriev Institute for Medical Radiology and Oncology of the National Academy of Medical Sciences of Ukraine» Pushkinska str., 82, Kharkiv, Ukraine, 61024 Kharkiv National Medical University Nauky ave., 4, Kharkiv, Ukraine, 61022

MD, Professor, Head of Department

Department of Radiation Therapy

Head of Department

Department of Radiology and Radiation Medicine

Mykhailo Tverezovskyi, Odessa Military Academy Fontanska doroha str., 10, Odessa, Ukraine, 65009

PhD

Department of Tactics and Combined Arms Disciplines

Oleksandr Sheptur, Kharkiv Petro Vasylenko National Technical University of Agriculture Alchevskykh str., 44, Kharkiv, Ukraine, 61002

PhD, Associate Professor

Department of Agrotechnolody and Ecolody

Tymur Kurtseitov, National Defense University of Ukraine named after Ivan Cherniakhovskyi Povitroflotskyi ave., 28, Kyiv, Ukraine, 03049

Doctor of Technical Sciences, Professor

Department of Operative and Combat Support

Oleksandr Salii, National Defense University of Ukraine named after Ivan Cherniakhovskyi Povitroflotskyi ave., 28, Kyiv, Ukraine, 03049

PhD

Department of Operative and Combat Support

Mykola Pidhorodetskyi, National Defense University of Ukraine named after Ivan Cherniakhovskyi Povitroflotskyi ave., 28, Kyiv, Ukraine, 03049

PhD

Department of Operative and Combat Support

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Published

2020-08-31

How to Cite

Cherniavskiy, I., Chomik, M., Tiutiunyk, V., Rolin, I., Starenkiy, V., Tverezovskyi, M., Sheptur, O., Kurtseitov, T., Salii, O., & Pidhorodetskyi, M. (2020). Experimental evaluation of accuracy in determining the direction to a pulsed source of gamma-radiation by a spherical absorber with CdTe detectors in a system of nuclear situation monitoring. Eastern-European Journal of Enterprise Technologies, 4(5 (106), 16–24. https://doi.org/10.15587/1729-4061.2020.210665

Issue

Section

Applied physics