Terrorist acts using chemical agents: calculation of risk areas

Authors

  • М. М. Biliaiev Department of «Hydraulics and Water Supply», Dnipropetrovsk National University of Railway Transport named after Academician V. Lazaryan, Lazaryan St., 2, Dnipro, Ukraine
  • I. V. Kalashnikov State Enterprise «Design and Exploration Institute of Railway Transport of Ukraine «Ukrzaliznichproekt», 24-A, Str. Red Army, 7, Kharkov, 61052, Ukraine
  • U. G. Sharanova Department of Life Safety, State Higher Education Establishment «Pridneprovsk State Academy of Civil Engineering and Architecture», 24-A, Chernishevskogo st., Dnipro, 49600, Ukraine
  • Yu. М. Streltsova Department of «Hydraulics and Water Supply», Dnipropetrovsk National University of Railway Transport named after Academician V. Lazaryan, Lazaryan St., 2, Dnipro, Ukraine

Keywords:

territorial risk, terrorist act, chemical pollution, numerical modeling, air pollution

Abstract

Purpose. Development of a numerical method for assessing territorial risk in the event of a terrorist attack using a chemical agent. Methodology. To describe the process of dispersing a chemical agent ejected in the event of a terrorist attack, a two-dimensional equation for the mass transfer of an impurity in atmospheric air is used. The equation takes into account the parameters of the meteorological situation, the intensity of the chemical agent emission, the presence of buildings near the site of the release of a chemically hazardous substance. For numerical integration of the modeling equation, a finite difference method is used. A feature of the developed numerical model is the possibility of assessing the territorial risk, in the event of a terrorist attack, under different weather conditions and the availability of buildings. Findings. A specialized package of programs has been developed that can be used to assess the territorial risk, as in the case of terrorist attacks, with the use of chemical agents, and in the event of extreme situations at chemically hazardous facilities and transport. The method can be implemented on small and medium-sized computers, which allows it to be widely used for solving the problems of the class under consideration. The results of a computational experiment are presented that allow one to assess the possibilities of the proposed method for assessing territorial risk in the event of a terrorist attack using a chemical agent. Originality. An effective method of assessing territorial risk in the event of a terrorist attack using a chemically hazardous substance is proposed. The method can be used to assess the territorial risk in an urban environment, which allows you to obtain adequate data on possible areas of damage. The method is based on the numerical integration of the fundamental mass transfer equation, which expresses the law of conservation of mass in a liquid medium. Practical value. The proposed method for assessing territorial risk in the event of a terrorist attack using a chemical agent can be used to calculate the affected areas near administrative buildings, centers and other socially significant facilities.

Author Biographies

М. М. Biliaiev, Department of «Hydraulics and Water Supply», Dnipropetrovsk National University of Railway Transport named after Academician V. Lazaryan, Lazaryan St., 2, Dnipro

Dr. Sc. (Tech.), Prof.

I. V. Kalashnikov, State Enterprise «Design and Exploration Institute of Railway Transport of Ukraine «Ukrzaliznichproekt», 24-A, Str. Red Army, 7, Kharkov, 61052

Cand. Sci. (Tech.), Assoc. Prof.

U. G. Sharanova, Department of Life Safety, State Higher Education Establishment «Pridneprovsk State Academy of Civil Engineering and Architecture», 24-A, Chernishevskogo st., Dnipro, 49600

Sen. Teach.

Yu. М. Streltsova, Department of «Hydraulics and Water Supply», Dnipropetrovsk National University of Railway Transport named after Academician V. Lazaryan, Lazaryan St., 2, Dnipro

stud.

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Published

2017-10-24

Issue

Section

Computer systems and information technologies in education, science and management